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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c

(R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde

Cas:95715-87-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

tert-Butyl-4-formyl-2,2-dimethyl oxazolidine-3-carboxylate

Cas:95715-87-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE

Cas:95715-87-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct sale CAS 95715-87-0 with competitive price

Cas:95715-87-0

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

3-Oxazolidinecarboxylicacid, 4-formyl-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R)-

Cas:95715-87-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE CAS:95715-87-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediat

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE CAS:95715-87-0

Cas:95715-87-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

3-Oxazolidinecarboxylicacid, 4-formyl-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R)-

Cas:95715-87-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:95715-87-0

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE 95715-87-0

Cas:95715-87-0

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

(R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde

Cas:95715-87-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

3-Oxazolidinecarboxylicacid, 4-formyl-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R)-

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

(R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde

Cas:95715-87-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

High Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE

Cas:95715-87-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Cas:95715-87-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

3-Oxazolidinecarboxylicacid, 4-formyl-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R)-

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

(R)-tert-Butyl 4-formyl-2,2-dimethyloxazolidine-3-carboxylate cas no. 95715-87-0 98%

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

(R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

tert-Butyl (R)-(+)-4-formyl-2,2-dimethyl-3-oxazolidinecarbox...

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

5-Chloro-2-methoxybenzonitrile, 97%

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

TERT-BUTYL (R)-(+)-4-FORMYL-2,2-DIMETHYL-3-OXAZOLIDINECARBOXYLATE

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

3-Oxazolidinecarboxylicacid, 4-formyl-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R)-

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

(R)-tert-Butyl 4-formyl-2,2-dimethyloxazolidine-3-carboxylate

Cas:95715-87-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China Application:SAGECHEM/ (R)-(+)-3-Boc-2,2-dimethyloxazolidine-4-carboxaldehyde /Manufacturer in China

Synthetic route

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate
108149-63-9, 108149-65-1

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Stage #1: tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate With oxalyl dichloride In dichloromethane; dimethyl sulfoxide at -60 - -45℃; for 0.666667h; Inert atmosphere;
Stage #2: With triethylamine In dichloromethane; dimethyl sulfoxide at -45℃; Inert atmosphere;
100%
With Dess-Martin periodane In dichloromethane for 2h; Ambient temperature;93%
With Dess-Martin periodane; 1-butyl-3-methylimidazolium Tetrafluoroborate at 20℃; for 4h; Dess-Martin oxidation;90%
(R)-N,O-isopropylidenyl-2-(N-tert-butyloxycarbonylamino)-3-oxo-propanamide-N,O-dimethyl-hydroxyamine
167102-62-7

(R)-N,O-isopropylidenyl-2-(N-tert-butyloxycarbonylamino)-3-oxo-propanamide-N,O-dimethyl-hydroxyamine

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 0.5h;100%
With lithium aluminium tetrahydride In 2-methyltetrahydrofuran at 0℃;100%
With lithium aluminium tetrahydride In tetrahydrofuran for 2.33333h; Inert atmosphere; Cooling;92%
With sodium bis(2-methoxyethoxy)aluminium dihydride In toluene at 0 - 30℃; for 3h;100 g
methyl [(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidin-4-yl]carboxylate
108149-60-6, 95715-86-9

methyl [(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidin-4-yl]carboxylate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at -60 - 0℃; for 2.5h;95%
With diisobutylaluminium hydride In toluene at -78 - -70℃; for 4h; Inert atmosphere;89%
With diisobutylaluminium hydride In toluene at -78℃; for 2h;85%
(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidine-4-carboxylic acid
660852-86-8

(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidine-4-carboxylic acid

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With oxalyl dichloride; dimethyl sulfoxide; triethylamine In dichloromethane at -78 - 0℃; for 2h; Swern Oxidation;85%
2,2-dimethyl-oxazole-3-carboxylic acid tert-butyl ester

2,2-dimethyl-oxazole-3-carboxylic acid tert-butyl ester

dicarbonylacetylacetonato rhodium (I)

dicarbonylacetylacetonato rhodium (I)

A

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

B

tert-butyl 4-formyl-2,2-dimethyloxazolidine-3-carboxylate
95715-87-0, 102308-32-7, 144070-30-4, 127589-93-9

tert-butyl 4-formyl-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
With 2,2',2'',2'''-(1,2-phenylenebis((1R,3R)-tetrahydro-5,8-dioxo-1H-(1,2,4)diazaphospholo(1,2-a)pyridazine-2,1,3(3H)-triyl))tetrakis(N-(1S)-1-phenylethyl)-benzamide In tetrahydrofuran at 55℃; under 7240.26 Torr; for 72h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;A 71%
B n/a
(S)-2,2-dimethyl-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester 4-methyl ester
95715-86-9, 108149-60-6

(S)-2,2-dimethyl-oxazolidine-3,4-dicarboxylic acid 3-tert-butyl ester 4-methyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at -80℃; for 4h; Automated synthesizer;71%
D-Serine
312-84-5

D-Serine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multistep reaction;51%
methyl [(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidin-4-yl]carboxylate
108149-60-6, 95715-86-9

methyl [(4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-1,3-oxazolidin-4-yl]carboxylate

A

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

B

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate
108149-63-9, 108149-65-1

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at -78℃;A 40%
B 8%
1,1-dimethylethyl 4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

1,1-dimethylethyl 4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

A

(4S)-4-formyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
102308-32-7

(4S)-4-formyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

B

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With oxalyl dichloride; dimethyl sulfoxide; triethylamine 1.) CH2Cl2, -78 deg C, 15 min, 2.) -78 deg C to r.t.; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
(R)-4-(1,2-Dihydroxy-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-4-(1,2-Dihydroxy-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
With sodium periodate; silica gel In dichloromethane Ambient temperature; Yield given;
D-Serine
312-84-5

D-Serine

(CH3)2CX, (CH3)3CHOCOX

(CH3)2CX, (CH3)3CHOCOX

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Yield given. Multistep reaction;
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 86 percent / K2CO3 / dimethylformamide / 1.5 h / 0 - 20 °C
2: 80 percent / p-TsOH / benzene / 1 h / Heating
3: 75 percent / DIBAL-H / toluene / 2 h / -78 °C
View Scheme
Multi-step reaction with 3 steps
1: N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride, N-methylmorpholine / CH2Cl2 / 1 h / -15 °C
2: BF3*Et2O / acetone / 1.5 h / Ambient temperature
3: 100 percent / LiAlH4 / tetrahydrofuran / 0.5 h / 0 °C
View Scheme
Multi-step reaction with 3 steps
1: 0.5 h / 0 °C
2: 80 percent / TsOH*H2O / benzene / 0.5 h
3: 85 percent / diisobutylaluminum hydride (DIBAL) / toluene / 2 h / -78 °C
View Scheme
2-(tert-butoxycarbonylamino)-3-hydroxypropionic acid methyl ester
95715-85-8

2-(tert-butoxycarbonylamino)-3-hydroxypropionic acid methyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / p-TsOH / benzene / 1 h / Heating
2: 75 percent / DIBAL-H / toluene / 2 h / -78 °C
View Scheme
Multi-step reaction with 3 steps
1: 75 percent / TsOH*H2O / benzene / Heating
2: 96 percent / NaBH4, LiCl / ethanol; tetrahydrofuran / 4 h / Ambient temperature
3: 1.) trifluoroacetic anhydride, DMSO, 2.) Et3N / 1.) CH2Cl2, -78 deg C, 1 h, 2.) CH2Cl2, from -78 deg C to 25 deg C
View Scheme
Multi-step reaction with 2 steps
1: 80 percent / TsOH*H2O / benzene / 0.5 h
2: 85 percent / diisobutylaluminum hydride (DIBAL) / toluene / 2 h / -78 °C
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: NaOH / dioxane; H2O / 48 h / 0 - 20 °C
2: N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride, N-methylmorpholine / CH2Cl2 / 1 h / -15 °C
3: BF3*Et2O / acetone / 1.5 h / Ambient temperature
4: 100 percent / LiAlH4 / tetrahydrofuran / 0.5 h / 0 °C
View Scheme
Multi-step reaction with 5 steps
1: 100 percent / Et3N / tetrahydrofuran / a) RT, 6 h, b) 50 deg C, 2 h
2: 98 percent / LiBH4 / tetrahydrofuran / 12 h / Ambient temperature
3: 98 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
4: 95 percent / H2 / Pd/C / ethyl acetate / 24 h / Ambient temperature
5: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
Multi-step reaction with 4 steps
1: 1 N NaOH / dioxane / 1.) 5 deg C, 30 min, 2.) RT, 3.5 h
2: 0.5 h / 0 °C
3: 80 percent / TsOH*H2O / benzene / 0.5 h
4: 85 percent / diisobutylaluminum hydride (DIBAL) / toluene / 2 h / -78 °C
View Scheme
tert-butyl N-[(1R)-1-(hydroxymethyl)-2-[methoxy(methyl)amino]-2-oxo-ethyl]carbamate
167102-61-6

tert-butyl N-[(1R)-1-(hydroxymethyl)-2-[methoxy(methyl)amino]-2-oxo-ethyl]carbamate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: BF3*Et2O / acetone / 1.5 h / Ambient temperature
2: 100 percent / LiAlH4 / tetrahydrofuran / 0.5 h / 0 °C
View Scheme
Multi-step reaction with 2 steps
1: boron trifluoride diethyl etherate / 2 h / 20 °C
2: lithium aluminium tetrahydride / tetrahydrofuran / 2.33 h / Inert atmosphere; Cooling
View Scheme
Multi-step reaction with 2 steps
1: boron trifluoride diethyl etherate / acetone / 0.05 h / 25 - 30 °C
2: sodium bis(2-methoxyethoxy)aluminium dihydride / toluene / 3 h / 0 - 30 °C
View Scheme
N-(tert-butoxycarbonyl)-L-serine methyl ester
2766-43-0

N-(tert-butoxycarbonyl)-L-serine methyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: imidazole / CH2Cl2 / 12 h / Ambient temperature
2: LiBH4 / tetrahydrofuran / 12 h / Ambient temperature
3: 94 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
4: 98 percent / Bu4NF / tetrahydrofuran / 2 h / Ambient temperature
5: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 93 percent / BF3OEt2 / acetone / 12 h / Ambient temperature
2: 78 percent / DIBAL-H / toluene / 1.5 h / -78 °C
View Scheme
Multi-step reaction with 5 steps
1.1: 1H-imidazole / dichloromethane / 0 - 20 °C
2.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.5 h / 0 °C / Inert atmosphere
3.1: toluene-4-sulfonic acid / toluene / 1.5 h / Reflux; Inert atmosphere
4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 0 - 20 °C
5.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.58 h / -78 °C
5.2: 0.08 h / -78 - 0 °C
View Scheme
Multi-step reaction with 2 steps
1: boron trifluoride diethyl etherate / dichloromethane / 3 h / 25 °C / Automated synthesizer
2: diisobutylaluminium hydride / toluene / 4 h / -80 °C / Automated synthesizer
View Scheme
(S)-tert-butyl (1-hydroxy-4-(methylthio)butan-2-yl)carbamate
51372-93-1

(S)-tert-butyl (1-hydroxy-4-(methylthio)butan-2-yl)carbamate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 95 percent / BF3*Et2O / acetone / Ambient temperature
2: 93 percent / NaIO4, NaHCO3 / methanol; H2O / 0 °C
3: 69 percent / various solvent(s) / 6 h / 175 - 180 °C
4: OsO4, NMO / acetone / Ambient temperature
5: NaIO4, SiO2 / CH2Cl2 / Ambient temperature
View Scheme
N-(tert-butyloxycarbonyl)-O-benzyl-L-serinol
79069-15-1

N-(tert-butyloxycarbonyl)-O-benzyl-L-serinol

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 98 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
2: 95 percent / H2 / Pd/C / ethyl acetate / 24 h / Ambient temperature
3: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
methyl O-benzyl-N-(tert-butoxycarbonyl)-L-serinate
80963-10-6

methyl O-benzyl-N-(tert-butoxycarbonyl)-L-serinate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 98 percent / LiBH4 / tetrahydrofuran / 12 h / Ambient temperature
2: 98 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
3: 95 percent / H2 / Pd/C / ethyl acetate / 24 h / Ambient temperature
4: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
tert-butyl (4S)-2,2-dimethyl-4-vinyl-1,3-oxazolidine-3-carboxylate
133625-87-3

tert-butyl (4S)-2,2-dimethyl-4-vinyl-1,3-oxazolidine-3-carboxylate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: OsO4, NMO / acetone / Ambient temperature
2: NaIO4, SiO2 / CH2Cl2 / Ambient temperature
View Scheme
methyl (2S)-3-(2,2-dimethyl-1,1-diphenyl-1-silapropoxy)-2-[(tert-butoxy)carbonylamino]propanoate
159846-14-7

methyl (2S)-3-(2,2-dimethyl-1,1-diphenyl-1-silapropoxy)-2-[(tert-butoxy)carbonylamino]propanoate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: LiBH4 / tetrahydrofuran / 12 h / Ambient temperature
2: 94 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
3: 98 percent / Bu4NF / tetrahydrofuran / 2 h / Ambient temperature
4: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
(S)-4-Benzyloxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
198417-68-4

(S)-4-Benzyloxymethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / H2 / Pd/C / ethyl acetate / 24 h / Ambient temperature
2: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
tert-butyl [(1R)-2-(tert-butyldiphenylsilyloxy)-1-(hydroxymethyl)-ethyl]carbamate
198417-69-5

tert-butyl [(1R)-2-(tert-butyldiphenylsilyloxy)-1-(hydroxymethyl)-ethyl]carbamate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 94 percent / BF3*Et2O / acetone / 2 h / Ambient temperature
2: 98 percent / Bu4NF / tetrahydrofuran / 2 h / Ambient temperature
3: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
(R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
198417-70-8

(R)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 98 percent / Bu4NF / tetrahydrofuran / 2 h / Ambient temperature
2: 93 percent / Dess-Martin periodinane / CH2Cl2 / 2 h / Ambient temperature
View Scheme
(S)-2,2-Dimethyl-4-(2-methylsulfanyl-ethyl)-oxazolidine-3-carboxylic acid tert-butyl ester
197218-81-8

(S)-2,2-Dimethyl-4-(2-methylsulfanyl-ethyl)-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 93 percent / NaIO4, NaHCO3 / methanol; H2O / 0 °C
2: 69 percent / various solvent(s) / 6 h / 175 - 180 °C
3: OsO4, NMO / acetone / Ambient temperature
4: NaIO4, SiO2 / CH2Cl2 / Ambient temperature
View Scheme
(S)-4-(2-Methanesulfinyl-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
197218-82-9

(S)-4-(2-Methanesulfinyl-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 69 percent / various solvent(s) / 6 h / 175 - 180 °C
2: OsO4, NMO / acetone / Ambient temperature
3: NaIO4, SiO2 / CH2Cl2 / Ambient temperature
View Scheme
2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
58632-95-4

2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: Et3N / dioxane; H2O
2: methanol
3: CSA / acetone
4: LiAlH4 / diethyl ether / 0 °C
5: -78 °C / Swern ox.
View Scheme
(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-((tert-butyldimethylsilyl)oxy)propanoate
126645-26-9

(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-((tert-butyldimethylsilyl)oxy)propanoate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: lithium aluminium tetrahydride / tetrahydrofuran / 1.5 h / 0 °C / Inert atmosphere
2.1: toluene-4-sulfonic acid / toluene / 1.5 h / Reflux; Inert atmosphere
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 0 - 20 °C
4.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.58 h / -78 °C
4.2: 0.08 h / -78 - 0 °C
View Scheme
(R)-[1-(tert-butyl-dimethyl-silanyloxymethyl)-2-hydroxy-ethyl]-carbamic acid tert-butyl ester
152491-85-5

(R)-[1-(tert-butyl-dimethyl-silanyloxymethyl)-2-hydroxy-ethyl]-carbamic acid tert-butyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: toluene-4-sulfonic acid / toluene / 1.5 h / Reflux; Inert atmosphere
2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2 h / 0 - 20 °C
3.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 0.58 h / -78 °C
3.2: 0.08 h / -78 - 0 °C
View Scheme
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate
108149-63-9, 108149-65-1

tert-butyl (4S)-4-(hydroxymethyl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

Conditions
ConditionsYield
With zirconium(IV) tetraisopropoxide 2-propanol; 1,1'-bi-2-naphthol In toluene at 20℃; for 4h;100%
With sodium tetrahydroborate In methanol at 0℃; for 1h;84%
With zirconium(IV) tetraisopropoxide 2-propanol; 4 Angstroem MS; 1,1'-bi-2-naphthol In isopropyl alcohol; toluene at 20℃; for 12h;70%
With sodium tetrahydroborate In tetrahydrofuran; isopropyl alcohol for 0.5h;64%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

allylmagnesium bromide
1730-25-2

allylmagnesium bromide

1,1-dimethylethyl (4R)-(1'-hydroxy-3'-butenyl)-2,2-dimethyl-3-oxazolidinecarboxylate
220317-60-2

1,1-dimethylethyl (4R)-(1'-hydroxy-3'-butenyl)-2,2-dimethyl-3-oxazolidinecarboxylate

Conditions
ConditionsYield
100%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(carbethoxyethylidene)triphenylphosphorane
21382-82-1

(carbethoxyethylidene)triphenylphosphorane

ethyl 2-methyl-3-[3-(tert-butoxycarbonyl)-2,2-dimethyl-(4S)-oxazolidinyl]prop-(2E)-enoate
916912-39-5

ethyl 2-methyl-3-[3-(tert-butoxycarbonyl)-2,2-dimethyl-(4S)-oxazolidinyl]prop-(2E)-enoate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 12h;100%
In benzene Wittig reaction; Reflux;84%
In dichloromethane at 20℃;
O-methylresorcine
150-19-6

O-methylresorcine

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

tert-butyl (R)-4-((R)-hydroxy(2-hydroxy-4-methoxyphenyl)methyl)-2,2-dimethyloxazolidine-3-carboxylate
925703-63-5

tert-butyl (R)-4-((R)-hydroxy(2-hydroxy-4-methoxyphenyl)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
Stage #1: O-methylresorcine With methylmagnesium chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In dichloromethane at 0 - 20℃; for 15h;
100%
C27H31N5O6S*2ClH

C27H31N5O6S*2ClH

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

C38H50N6O9S
1111235-29-0

C38H50N6O9S

Conditions
ConditionsYield
Stage #1: C27H31N5O6S*2ClH; (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine With sodium tris(acetoxy)borohydride; triethylamine In dichloromethane at 20℃; for 16h;
Stage #2: With water; potassium carbonate In dichloromethane at 20℃;
100%
1-ethynyl-4-(n-pentyl)benzene
79887-10-8

1-ethynyl-4-(n-pentyl)benzene

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

C24H35NO4
1207432-32-3

C24H35NO4

Conditions
ConditionsYield
Stage #1: 1-ethynyl-4-(n-pentyl)benzene With n-butyllithium In tetrahydrofuran; hexane at -20℃; for 2h; Inert atmosphere;
Stage #2: With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
Stage #3: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In tetrahydrofuran; hexane at -78 - -60℃; for 5h; Inert atmosphere;
100%
Sesamol
533-31-3

Sesamol

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

tert-butyl (R)-4-((R)-hydroxy(6-hydroxybenzo[d][1,3]dioxol-5-yl)methyl)-2,2-dimethyloxazolidine-3-carboxylate
925703-84-0

tert-butyl (R)-4-((R)-hydroxy(6-hydroxybenzo[d][1,3]dioxol-5-yl)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
Stage #1: Sesamol With methylmagnesium chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In dichloromethane at 0 - 20℃; for 15h;
99%
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(2E',4S)-4-(2'-ethoxycarbonyl-vinyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
134525-18-1, 131713-27-4, 144070-31-5, 149406-02-0

(2E',4S)-4-(2'-ethoxycarbonyl-vinyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With Fe(TCP)Cl; polyethylene supported arsine; polymethylhydrosiloxane In toluene at 110℃; for 12h; Wittig type reaction; Inert atmosphere; stereoselective reaction;99%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

4-methylbenzo[1,3]dioxol-5-ol
187040-03-5

4-methylbenzo[1,3]dioxol-5-ol

(R)-4-[(R)-Hydroxy-(6-hydroxy-7-methyl-benzo[1,3]dioxol-5-yl)-methyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
654643-98-8

(R)-4-[(R)-Hydroxy-(6-hydroxy-7-methyl-benzo[1,3]dioxol-5-yl)-methyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With methylmagnesium chloride In tetrahydrofuran; dichloromethane at 20℃;98%
Stage #1: 4-methylbenzo[1,3]dioxol-5-ol With methylmagnesium chloride In tetrahydrofuran
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In dichloromethane Further stages.;
98%
Stage #1: 4-methylbenzo[1,3]dioxol-5-ol With methylmagnesium chloride In tetrahydrofuran; hexane at 20℃; for 0.5h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In tetrahydrofuran; hexane; dichloromethane at 20℃;
98%
3-bromo-3,3-difluropropene
420-90-6

3-bromo-3,3-difluropropene

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

C14H23F2NO4
1056467-63-0

C14H23F2NO4

Conditions
ConditionsYield
With indium; lithium iodide In N,N-dimethyl-formamide98%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(cyclopropylmethyl)triphenylphosphonium bromide
14799-82-7

(cyclopropylmethyl)triphenylphosphonium bromide

(S)-tert-butyl 4-(2-cyclopropylvinyl)-2,2-dimethyloxazolidine-3-carboxylate
1222186-28-8

(S)-tert-butyl 4-(2-cyclopropylvinyl)-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
Stage #1: (cyclopropylmethyl)triphenylphosphonium bromide With potassium hexamethylsilazane In tetrahydrofuran at -78 - 20℃; for 1h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In tetrahydrofuran at -78℃;
96%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

methyl (triphenylphosphoranylidene)acetate
21204-67-1

methyl (triphenylphosphoranylidene)acetate

(4S)-1,1-Dimethylethyl 4-<(E)-3'-methoxy-3'-oxo-1'-propenyl>-2,2-dimethyl-3-oxazolidinecarboxylate
129483-65-4

(4S)-1,1-Dimethylethyl 4-<(E)-3'-methoxy-3'-oxo-1'-propenyl>-2,2-dimethyl-3-oxazolidinecarboxylate

Conditions
ConditionsYield
In benzene Ambient temperature;95%
In toluene at 0 - 20℃; for 40h;77%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

ethylamine
75-04-7

ethylamine

(S)-4-ethylaminomethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
1048351-33-2

(S)-4-ethylaminomethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine; ethylamine In methanol at 20℃; for 1.5h; Molecular sieve;
Stage #2: With hydrogen; palladium on activated charcoal In methanol at 20℃; under 760.051 Torr;
95%
cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(4S)-4-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylmethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

(4S)-4-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylmethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In acetonitrile at 25℃;95%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

N-ε-(2-Chloro-CBZ)-L-lysine allyl ester hydrochloride
144156-17-2

N-ε-(2-Chloro-CBZ)-L-lysine allyl ester hydrochloride

(S)-4-{[(S)-1-Allyloxycarbonyl-5-(2-chloro-benzyloxycarbonylamino)-pentylamino]-methyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
144156-07-0

(S)-4-{[(S)-1-Allyloxycarbonyl-5-(2-chloro-benzyloxycarbonylamino)-pentylamino]-methyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium cyanoborohydride In methanol for 1h; Ambient temperature;94%
3-bromofurane
22037-28-1

3-bromofurane

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

C15H23NO5
1105713-64-1

C15H23NO5

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran at -78℃;93%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

sodium chlorodifluoroacetate
1895-39-2

sodium chlorodifluoroacetate

C12H19F2NO3

C12H19F2NO3

Conditions
ConditionsYield
With triphenylphosphine In N,N-dimethyl-formamide at 100℃; for 2h; Inert atmosphere;92.31%
carbon tetrabromide
558-13-4

carbon tetrabromide

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(S)-tert-butyl 4-(2,2-dibromovinyl)-2,2-dimethyloxazolidine-3-carboxylate
130418-98-3

(S)-tert-butyl 4-(2,2-dibromovinyl)-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
With triphenylphosphine In dichloromethane at 0 - 20℃; for 2.33333h;92%
Stage #1: carbon tetrabromide With triphenylphosphine In dichloromethane at -30℃; for 0.666667h; Inert atmosphere;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine With triethylamine In dichloromethane at -60 - 0℃; for 2.5h; Inert atmosphere;
Stage #3: With sodium hydrogencarbonate In dichloromethane; water
88%
With triphenylphosphine72%
With triethylamine; triphenylphosphine 1.) CH2Cl2, -20 deg C, 30 min; 2.) CH2Cl2, -60 deg C, 30 min, r.t., overnight; Multistep reaction;
With triethylamine; triphenylphosphine 1) CH2Cl2, -20 deg C, 30 min; 2) CH2Cl2, -60 deg C, 30 min, rt, overnight; Yield given. Multistep reaction;
vinyl magnesium bromide
1826-67-1

vinyl magnesium bromide

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(4R)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
768387-35-5

(4R)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
at -78 - -20℃; for 1.5h;92%
Addition;81%
In tetrahydrofuran -78 deg C -> -50 deg C, 2 h;74%
2,2,4,4-Tetrakis(trifluoromethyl)-1,3-dithietane
791-50-4

2,2,4,4-Tetrakis(trifluoromethyl)-1,3-dithietane

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

2,2-dimethyl-4-(3,3,3-trifluoro-2-trifluoromethyl-propenyl)-oxazolidine-3-carboxylic acid tert-butyl ester
340714-52-5

2,2-dimethyl-4-(3,3,3-trifluoro-2-trifluoromethyl-propenyl)-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With triphenylphosphine In diethyl ether at -78 - 20℃; for 72h; Wittig reaction;92%
With triphenylphosphine In diethyl ether at -78 - 20℃; for 72h;92%
tetravinyltin (IV)
1112-56-7

tetravinyltin (IV)

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

A

(1'R,4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-4-(1-hydroxy-2-propen-1-yl)-1,3-oxazolidine
114301-35-8

(1'R,4R)-3-(tert-butoxycarbonyl)-2,2-dimethyl-4-(1-hydroxy-2-propen-1-yl)-1,3-oxazolidine

B

(4R,1'S)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
114301-34-7

(4R,1'S)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: tetravinyltin (IV) With methyllithium In diethyl ether at 0℃; for 0.25h; Inert atmosphere;
Stage #2: With zinc dibromide In diethyl ether at 20℃; for 1h; Inert atmosphere;
Stage #3: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In diethyl ether at -35 - 20℃; Inert atmosphere;
A 92%
B n/a
Stage #1: tetravinyltin (IV) With methyllithium; zinc dibromide In diethyl ether at 20℃; for 1h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In diethyl ether at 20℃; for 2h; Title compound not separated from byproducts;
Stage #1: tetravinyltin (IV) With methyllithium In diethyl ether at 0℃; for 0.25h;
Stage #2: With zinc dibromide In diethyl ether at 20℃; for 1h;
Stage #3: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine With zinc dibromide In diethyl ether at -78 - 20℃; Title compound not separated from byproducts;
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(bromomethyl)pentafluorobenzene
1765-40-8

(bromomethyl)pentafluorobenzene

(S)-2,2-Dimethyl-4-((E)-2-pentafluorophenyl-vinyl)-oxazolidine-3-carboxylic acid tert-butyl ester
752244-60-3

(S)-2,2-Dimethyl-4-((E)-2-pentafluorophenyl-vinyl)-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: (bromomethyl)pentafluorobenzene With triphenylphosphine In tetrahydrofuran for 0.25h;
Stage #2: With potassium tert-butylate In tetrahydrofuran at 0℃; for 1.5h; Wittig olefination;
Stage #3: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In tetrahydrofuran at -78 - 20℃; for 14h; Wittig olefination;
92%
methylmagnesium bromide
75-16-1

methylmagnesium bromide

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(4R)-(1-hydroxy-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
488727-69-1

(4R)-(1-hydroxy-ethyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether at 20℃; for 3h;91%
In tetrahydrofuran at -78 - 25℃; Inert atmosphere;77%
tetravinyltin (IV)
1112-56-7

tetravinyltin (IV)

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

(4R)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
768387-35-5

(4R)-4-(1-hydroxy-allyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium In diethyl ether at -78℃; for 2h;91%
3,4-dimethoxyphenol
2033-89-8

3,4-dimethoxyphenol

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

tert-butyl (R)-4-((R)-hydroxy(2-hydroxy-4,5-dimethoxyphenyl)methyl)-2,2-dimethyloxazolidine-3-carboxylate
925703-87-3

tert-butyl (R)-4-((R)-hydroxy(2-hydroxy-4,5-dimethoxyphenyl)methyl)-2,2-dimethyloxazolidine-3-carboxylate

Conditions
ConditionsYield
Stage #1: 3,4-dimethoxyphenol With methylmagnesium chloride In tetrahydrofuran at 20℃; for 0.166667h;
Stage #2: (R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine In dichloromethane at 0 - 20℃; for 15h;
91%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

3-chloro-aniline
108-42-9

3-chloro-aniline

(S)-4-[(3-chlorophenylamino)methyl]-2,2-dimethyloxazolidine-3-carboxylic acid tert-butyl ester
1048351-01-4

(S)-4-[(3-chlorophenylamino)methyl]-2,2-dimethyloxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium cyanoborohydride; zinc(II) chloride In methanol at 20 - 40℃; for 3h; Inert atmosphere;91%
(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine
95715-87-0

(R)-3-tert-butoxycarbonyl-4-formyl-2,2-dimethyloxazolidine

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

(2E',4S)-4-(2'-ethoxycarbonyl-vinyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
134525-18-1, 131713-27-4, 144070-31-5, 149406-02-0

(2E',4S)-4-(2'-ethoxycarbonyl-vinyl)-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
In tetrahydrofuran for 2.5h; Heating;90%
In benzene at 20℃; for 36h;85%
In tetrahydrofuran at 25℃; for 12h; Condensation;72%

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