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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

(-)-2,3-O-Isopropylidene-D-threitol Manufacturer/High quality/Best price/In stock

Cas:73346-74-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality (-)-2,3-O-Isopropylidine-D-Threitol supplier in China

Cas:73346-74-4

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% (-)-2,3-O-Isopropylidene-D-threitol 73346-74-4 GMP Manufacturer

Cas:73346-74-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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

(4R,5R)-(-)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol

Cas:73346-74-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:1 Gram

FOB Price: $12.0 / 15.0

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

Pharmaceutical Grade CAS 73346-74-4 with competitive price

Cas:73346-74-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

(-)-2,3-O-Isopropylidine-D-Threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

NewCan Biotech Limited

NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

(-)-2,3-O-Isopropylidene-d-threitol

Cas:73346-74-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

(-)-2,3-O-Isopropylidine-D-threitol

Cas:73346-74-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply (-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

(-)-2,3-O-isopropylidene-D-threitol Melting point 48-51 °C (lit.) Boiling point 91-93 °C 0.01 mm Hg(lit.) Specific optical rotation -3.1 o (c=5, CHCl3 26 oC) Refractive index -4 ° (C=5, Acetone) Flash point >230 °F St

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: (4R,5R)-2,2-Dimethl-1,3-Dioxolane-4,5-Dimethanol CAS No.: 73346-74-4 Molecule Formula:C7H14O4 Molecule Weight:162.18 Purity: 97.0% Package: 5kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard

Lower Price (4R,5R)-2,2-Dimethl-1,3-Dioxolane-4,5-Dimethanol on stock

Cas:73346-74-4

Min.Order:1 Kilogram

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

73346-74-4 CAS NO.73346-74-4

Cas:73346-74-4

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

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

(-)-2,3-O-Isopropylidene-D-Threitol cas no. 73346-74-4 98%

Cas:73346-74-4

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Allgreen Chemical Co.,Ltd

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

(-)-2,3-O-Isopropylidine-D-Threitol

Cas:73346-74-4

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

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a

(4R,5R)-(-)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

73346-74-4

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

(-)-2,3-O-Isopropylidene-D-threitol cas 73346-74-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

(-)-2,3-O-Isopropylidene-D-threitol cas 73346-74-4

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:colorless to light yellow liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

73346-74-4 Application:intermediate

(-)-2,3-O-Isopropylidene-D-threitol

Cas:73346-74-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With methanol; sodium tetrahydroborate100%
With lithium aluminium tetrahydride In diethyl ether at 0℃; for 1.25h;99%
With lithium aluminium tetrahydride In diethyl ether Reflux; Inert atmosphere;99%
(4S,5S)-diethyl 2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
73346-73-3

(4S,5S)-diethyl 2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With sodium tetrahydroborate; lithium chloride In tetrahydrofuran; ethanol at 20℃; for 14h;92%
With lithium aluminium tetrahydride84%
With lithium aluminium tetrahydride In diethyl ether for 16h; Heating;81%
diisopropyl (2S,3S)-2,3-O-isopropylidenetartrate
81327-47-1

diisopropyl (2S,3S)-2,3-O-isopropylidenetartrate

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃;90%
bis(1-methylethyl) (4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate

bis(1-methylethyl) (4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 4h; Inert atmosphere;88%
D-2,3-isopropylidene tartaric acid
126581-14-4

D-2,3-isopropylidene tartaric acid

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 0 - 20℃; for 16h; Inert atmosphere;85%
With sodium tetrahydroborate In ethyl [2]alcohol82%
With lithium aluminium tetrahydride In tetrahydrofuran Heating;
diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
59779-75-8

diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride77.3%
3,4-di-O-isopropylidene-D-mannitol
3969-84-4

3,4-di-O-isopropylidene-D-mannitol

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With lead(IV) acetate; nickel; ethyl acetate Hydrogenation;
With sodium tetrahydroborate; sodium periodate 1.) aq. acetone, 0 deg C, 2 h, 2.) O deg C, 1 h; Yield given. Multistep reaction;
With sodium tetrahydroborate; sodium periodate Yield given. Multistep reaction;
(4R)-3,4-(isopropylidenedioxy)tetrahydrofuran-2-ol
109715-58-4

(4R)-3,4-(isopropylidenedioxy)tetrahydrofuran-2-ol

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride
(4S,5S)-2,2-dimethyl-[1,3]dioxolane-4,5-dicarbaldehyde
5754-27-8, 85362-89-6, 122137-20-6, 146566-82-7

(4S,5S)-2,2-dimethyl-[1,3]dioxolane-4,5-dicarbaldehyde

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With sodium tetrahydroborate In water; acetone at 15 - 20℃;
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

/PBAAB002-2250/

/PBAAB002-2250/

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 91 percent / p-TsOH / Heating
2: 87 percent / LiAlH4 / diethyl ether
View Scheme
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

resin bound-Si(iPr2)-O-(CH2)3CHO

resin bound-Si(iPr2)-O-(CH2)3CHO

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 100 percent / TsOH / cyclohexane; methanol / 52 - 54 °C
2: 82 percent / NaBH4 / ethanol / 2.5 h / 20 °C
View Scheme
mannitol triacetonide
3969-59-3

mannitol triacetonide

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 70percent aq. CH3COOH / 1.5 h / 40 °C
2: 1.) sodium periodate, 2.) NaBH4 / 1.) aq. acetone, 0 deg C, 2 h, 2.) O deg C, 1 h
View Scheme
(+)-1,2,3,4,5,6-tris-O-isopropylidene-D-mannitol
3969-59-3, 4239-88-7, 81704-51-0

(+)-1,2,3,4,5,6-tris-O-isopropylidene-D-mannitol

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / aq. AcOH
2: 1) NaIO4; 2) sodium borohydride
View Scheme
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid / methanol; cyclohexane / 0.25 h / 102 °C / Reflux
2: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 0 - 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid / methanol; cyclohexane / 7 h / 70 °C / Inert atmosphere
2: lithium aluminium tetrahydride / tetrahydrofuran / 16 h / 0 - 23 °C / Inert atmosphere
View Scheme
methanol
67-56-1

methanol

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

Conditions
ConditionsYield
With sodium tetrahydroborate at 20℃; Cooling with ice;64.8 g
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

[(4R,5R)-5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol
145554-06-9

[(4R,5R)-5-({[tert-butyl(dimethyl)silyl]oxy}methyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran; mineral oil at 5℃; for 0.75h; Inert atmosphere;
Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran; mineral oil at 20℃; for 16h; Inert atmosphere;
98%
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In 1,2-dimethoxyethane at 0℃; for 0.5h;
Stage #2: tert-butyldimethylsilyl chloride In 1,2-dimethoxyethane at 0 - 20℃;
97%
With sodium hydride In 1,2-dimethoxyethane at 0 - 20℃;97%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

(4R,5R)-trans-2,2-dimethyl-4-tert-butyldiphenylsiloxymethyl-5-hydroxymethyl-1,3-dioxolane
169871-36-7

(4R,5R)-trans-2,2-dimethyl-4-tert-butyldiphenylsiloxymethyl-5-hydroxymethyl-1,3-dioxolane

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 1h; Inert atmosphere;
Stage #2: tert-butylchlorodiphenylsilane In tetrahydrofuran; mineral oil at 0℃; for 16h; Inert atmosphere;
96%
With sodium hydride 1.) THF, 45 min, RT, 2.) THF, 45 min; Yield given. Multistep reaction;
With sodium hydride In tetrahydrofuran
With sodium hydride
triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

(2R,3R)-4-<(triisopropylsilyl)oxy>-2,3-(isopropylidenedioxy)butanol
221154-50-3

(2R,3R)-4-<(triisopropylsilyl)oxy>-2,3-(isopropylidenedioxy)butanol

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 0℃; for 3h;96%
With sodium hydride In tetrahydrofuran at 20℃; for 3h;94%
With sodium hydride In tetrahydrofuran at 0 - 20℃;90%
With sodium hydride In tetrahydrofuran88%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

allyl bromide
106-95-6

allyl bromide

(4R,5R)-bis[(allyloxy)methyl]-2,2-dimethyl-1,3-dioxolane
783339-91-3

(4R,5R)-bis[(allyloxy)methyl]-2,2-dimethyl-1,3-dioxolane

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.25h;
Stage #2: allyl bromide In N,N-dimethyl-formamide at 20℃; for 2h;
96%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

benzyl bromide
100-39-0

benzyl bromide

1,4-di-O-benzyl-2,3-O-isopropylidene-D-threitol
91604-40-9

1,4-di-O-benzyl-2,3-O-isopropylidene-D-threitol

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran at 20 - 80℃; for 2h;
Stage #2: benzyl bromide In tetrahydrofuran at 80℃; for 24h;
95%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

10-bromo-5,15-diphenylporphyrin

10-bromo-5,15-diphenylporphyrin

C71H54N8O4

C71H54N8O4

Conditions
ConditionsYield
With caesium carbonate; bis[2-(diphenylphosphino)phenyl] ether; tris-(dibenzylideneacetone)dipalladium(0) In toluene at 100℃; for 36h;95%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

C23H30O6

C23H30O6

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 20℃; for 3h;93%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

1,4-di-o-tosyl-2,3-isopropylidene-D-threitol
51064-65-4

1,4-di-o-tosyl-2,3-isopropylidene-D-threitol

Conditions
ConditionsYield
With pyridine at -15℃;91%
With triethylamine In diethyl ether at 30℃; for 17h;85%
With triethylamine In tert-butyl methyl ether85%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

(4R,5R)-<5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane-4-yl>methyl p-toluenesulfonate
73711-65-6

(4R,5R)-<5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane-4-yl>methyl p-toluenesulfonate

Conditions
ConditionsYield
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 20℃; for 2h; Inert atmosphere;91%
With n-butyllithium89%
With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In dichloromethane; water at 0 - 20℃; for 1h;73.3%
With n-butyllithium DMSO, THF, 1) r.t., 15 min, 2) r.t., 1 h; Yield given. Multistep reaction;
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

6-benzyloxyhexyl 4-methylbenzenesulfonate
126519-80-0

6-benzyloxyhexyl 4-methylbenzenesulfonate

1,4-bis-O-(6-benzyloxyhexyl)-2,3-O-isopropylidene-D-threitol
866429-85-8

1,4-bis-O-(6-benzyloxyhexyl)-2,3-O-isopropylidene-D-threitol

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran at 20 - 80℃; for 2h;
Stage #2: 6-benzyloxyhexyl 4-methylbenzenesulfonate In tetrahydrofuran at 80℃; for 72h;
91%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

benzyl bromide
100-39-0

benzyl bromide

1-O-benzyl-2,3-O-isopropylidene-D-threitol
78469-77-9

1-O-benzyl-2,3-O-isopropylidene-D-threitol

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 2h; from -50 deg C to 0 deg C;89%
With sodium hydride In N,N-dimethyl-formamide88%
With sodium hydride In N,N-dimethyl-formamide 1.) -15 deg C, 30 min, 2.) -15 deg C, 0.5 h; r.t. 1 h;86%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

benzyl chloride
100-44-7

benzyl chloride

1-O-benzyl-2,3-O-isopropylidene-D-threitol
78469-77-9

1-O-benzyl-2,3-O-isopropylidene-D-threitol

Conditions
ConditionsYield
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In N,N-dimethyl-formamide at -15℃; for 0.5h;
Stage #2: benzyl chloride In N,N-dimethyl-formamide at 20℃; for 1h;
88%
With sodium hydroxide; tetrabutylammomium bromide In dichloromethane at 50℃; for 14h;74%
With sodium hydroxide 1.) DMSO, RT, 1 h, 2.) DMSO, 12 h; Yield given; Multistep reaction;
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

3,4-dihydroxythiophene-2,5-dicarboxylic acid diethyl ester
1822-66-8

3,4-dihydroxythiophene-2,5-dicarboxylic acid diethyl ester

C17H22O8S
1311140-79-0

C17H22O8S

Conditions
ConditionsYield
With tributylphosphine; diamide In tetrahydrofuran at 60℃; Mitsunobu reaction; Darkness; Inert atmosphere;86%
With tributylphosphine; diamide In tetrahydrofuran at 60℃; for 36h; Mitsunobu reaction;78%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

((4R,5R)-5-(((4-methoxybenzyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol
118620-86-3

((4R,5R)-5-(((4-methoxybenzyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol

Conditions
ConditionsYield
With 85percent KOH In benzene for 9h; Heating;83%
With potassium hydroxide In benzene for 9h; Inert atmosphere; Reflux;82%
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran at 0 - 23℃; for 1h; Inert atmosphere;
Stage #2: p-methoxybenzyl chloride In tetrahydrofuran at 23℃; Inert atmosphere;
78%
Stage #1: (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; for 1.5h;
Stage #2: p-methoxybenzyl chloride In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃; for 18h;
74%
With potassium hydroxide In benzene for 4h; Heating;73%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

threitol
2319-57-5

threitol

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 2h;83%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

2,3-O-isopropylidene-1,4-di-O-methanesulphonyl-D-threitol
109281-59-6

2,3-O-isopropylidene-1,4-di-O-methanesulphonyl-D-threitol

Conditions
ConditionsYield
With pyridine In dichloromethane82%
With pyridine66%
With pyridine
With triethylamine In dichloromethane at 0℃; for 1h; Inert atmosphere;
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

benzyl chloride
100-44-7

benzyl chloride

1,4-di-O-benzyl-2,3-O-isopropylidene-D-threitol
91604-40-9

1,4-di-O-benzyl-2,3-O-isopropylidene-D-threitol

Conditions
ConditionsYield
With paraffine; sodium hydride In tetrahydrofuran 1.) 16 h, RT, 2.) 2 h, reflux;81%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

ethyl chlorocarbonylacetate
36239-09-5

ethyl chlorocarbonylacetate

Malonic acid (4R,5R)-5-(2-ethoxycarbonyl-acetoxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester ethyl ester
200133-32-0

Malonic acid (4R,5R)-5-(2-ethoxycarbonyl-acetoxymethyl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester ethyl ester

Conditions
ConditionsYield
With pyridine In dichloromethane for 5h; Ambient temperature;81%
With pyridine In dichloromethane Yield given;
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

methyl (triphenylphosphoranylidene)acetate
21204-67-1

methyl (triphenylphosphoranylidene)acetate

(Z)-(4R,5R)-3-(5-hydroxymethyl-2,2-dimethyl[1,3]dioxolan-4-yl)acrylic acid methyl ester
109613-69-6

(Z)-(4R,5R)-3-(5-hydroxymethyl-2,2-dimethyl[1,3]dioxolan-4-yl)acrylic acid methyl ester

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane at 20℃; for 24h; stereoselective reaction;80%
(3aS)-1-chloro-2-phenyl-hexahydro-1H-pyrrolo[1,2-c][1,3,2]diazaphosphole

(3aS)-1-chloro-2-phenyl-hexahydro-1H-pyrrolo[1,2-c][1,3,2]diazaphosphole

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

(4R,5R)-4,5-bis[((2R,5S)-3-phenyl-1,3-diaza-2-phosphabicyclo[3.3.0]octyloxy)methyl]-2,2-dimethyl-1,3-dioxolane

(4R,5R)-4,5-bis[((2R,5S)-3-phenyl-1,3-diaza-2-phosphabicyclo[3.3.0]octyloxy)methyl]-2,2-dimethyl-1,3-dioxolane

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20 - 45℃; for 24.5h; Inert atmosphere; stereoselective reaction;80%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

benzyl bromide
100-39-0

benzyl bromide

(4S,5S)-4-benzyloxymethyl-5-hydroxymethyl-2,2-dimethyl-1,3-dioxolane
78469-77-9, 81076-11-1, 128820-40-6, 78513-03-8

(4S,5S)-4-benzyloxymethyl-5-hydroxymethyl-2,2-dimethyl-1,3-dioxolane

Conditions
ConditionsYield
With silver(l) oxide In toluene at 20℃; for 8h; Inert atmosphere;77%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

ethyl chlorocarbonylacetate
36239-09-5

ethyl chlorocarbonylacetate

C12H20O7
1433901-15-5

C12H20O7

Conditions
ConditionsYield
With pyridine In tetrahydrofuran at 0 - 20℃; Inert atmosphere;77%
(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

propargyl bromide
106-96-7

propargyl bromide

C13H18O4

C13H18O4

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1h;71%
triethylsilyl chloride
994-30-9

triethylsilyl chloride

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol
73346-74-4

(4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dimethanol

((4R,5R)-2,2-Dimethyl-5-(triethylsilyloxymethyl)-1,3-dioxolan-4-yl)methanol

((4R,5R)-2,2-Dimethyl-5-(triethylsilyloxymethyl)-1,3-dioxolan-4-yl)methanol

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 3h; Inert atmosphere;70%

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