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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Benzyl (S)-4-oxo-2-azetidinecarboxylate

Cas:72776-05-7

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 Benzyl (S)-4-Oxo-2-Azetidinecarboxylate supplier in China

Cas:72776-05-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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 Benzyl (S)-4-Oxo-2-Azetidinecarboxylate

Cas:72776-05-7

Min.Order:1

Negotiable

Type:Other

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

(S)-BENZYL 2-AZETIDINONE-4-CARBOXYLATE

Cas:72776-05-7

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Manufacturer supply CAS 72776-05-7 with best quality

Cas:72776-05-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the

2-Azetidinecarboxylicacid, 4-oxo-, phenylmethyl ester, (2S)-/ LIDE PHARMA- Factory supply / Best price

Cas:72776-05-7

Min.Order:1 Kilogram

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

2-Azetidinecarboxylicacid, 4-oxo-, phenylmethyl ester, (2S)-

Cas:72776-05-7

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.:72776-05-7

Cas:72776-05-7

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

Benzyl (S)-4-Oxo-2-Azetidinecarboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Manufacturers

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-Azetidinecarboxylicacid, 4-oxo-, phenylmethyl ester, (2S)-

Cas:72776-05-7

Min.Order:0

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

72776-05-7 CAS NO.72776-05-7

Cas:72776-05-7

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

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 custom synthe

SAGECHEM/benzyl (S)-4-oxoazetidine-2-carboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

(S)-Benzyl 2-azetidinone-4-carboxylate

Cas:72776-05-7

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

Benzyl (S)-4-oxo-2-azetidinecarboxylate

Cas:72776-05-7

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

(S)-Benzyl 2-azetidinone-4-carboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Other

inquiry

Aecochem Corp.

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

Benzyl (S)-4-Oxo-2-Azetidinecarboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

2-Azetidinecarboxylicacid, 4-oxo-, phenylmethyl ester, (2S)-

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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-Azetidinecarboxylicacid, 4-oxo-, phenylmethyl ester, (2S)-

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

(S)-Benzyl 2-Azetidinone-4-Carboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Other

inquiry

BOC Sciences

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

(S)-Benzyl 2-azetidinone-4-carboxylate

Cas:72776-05-7

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

72776-05-7

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

(S)-Benzyl 2-azetidinone-4-carboxylateAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

(S)-Benzyl 2-azetidinone-4-carboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

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

(S)-Benzyl2-azetidinone-4-carboxylate

Cas:72776-05-7

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

(S)-BENZYL 2-AZETIDINONE-4-CARBOXYLATE

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

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

(S)-BENZYL 2-AZETIDINONE-4-CARBOXYLATE

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Application:Medical or chemical

72776-05-7

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Send Pharmaceutical Technology Co., Ltd.

stock,low price,high quality,high purity,good sevice Application:R&D

(S)-BENZYL 2-AZETIDINONE-4-CARBOXYLATE

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

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

(S)-BENZYL 2-AZETIDINONE-4-CARBOXYLATE

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Qingdao KMS Biochemical Technology Co.,Ltd.

(S)-Benzyl 2-azetidinone-4-carboxylate

Cas:72776-05-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

(S)-benzyl4-oxoazetidine-2-carboxylate

Cas:72776-05-7

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

dibenzyl L-aspartate
2791-79-9

dibenzyl L-aspartate

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: dibenzyl L-aspartate With chloro-trimethyl-silane; triethylamine In diethyl ether at 0℃; for 1h;
Stage #2: With tert-butylmagnesium chloride In diethyl ether at -5 - 0℃; for 2h;
47%
Stage #1: dibenzyl L-aspartate With chloro-trimethyl-silane In diethyl ether at -78 - 25℃;
Stage #2: With tert-butylmagnesium bromide In diethyl ether at -78 - 25℃;
40%
With chloro-trimethyl-silane; tert-butylmagnesium chloride
(L)-N-(trimethylsilyl)dibenzyl aspartate
72776-06-8

(L)-N-(trimethylsilyl)dibenzyl aspartate

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With tert-butylmagnesium chloride In diethyl ether at 0℃; Yield given;
With tert-butylmagnesium chloride 1.) 0 deg C, 2.) room temperature, overnight; Yield given;
With tert-butylmagnesium chloride In diethyl ether at 0℃;
With tert-butylmagnesium chloride In diethyl ether at -5 - 20℃; for 12.5h;5.1 g
D-aspartic acid dibenzyl ester
4079-59-8

D-aspartic acid dibenzyl ester

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With chloro-trimethyl-silane; tert-butylmagnesium bromide; triethylamine Yield given. Multistep reaction;
dibenzyl L-aspartate
2791-79-9

dibenzyl L-aspartate

methoxy poly(ethylene glycol) sodium salt

methoxy poly(ethylene glycol) sodium salt

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: TEA; 4-dimethylaminopyridine / diethyl ether / 3 h / 0 °C
2: 5.1 g / tBuMgCl / diethyl ether / 12.5 h / -5 - 20 °C
View Scheme
C16H21NO5

C16H21NO5

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With cytochrome P411 expressed in Escherichia coli In aq. phosphate buffer at 20℃; for 24h; pH=8; Catalytic behavior; Enzymatic reaction; enantioselective reaction;n/a
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-(hydroxymethyl)-2-azetidinone
72776-07-9

(S)-4-(hydroxymethyl)-2-azetidinone

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol at 0 - 20℃; Inert atmosphere;100%
With sodium tetrahydroborate In methanol71%
With sodium tetrahydroborate In methanol
With lithium borohydride
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

α-benzyl-L-aspartic acid poly(β-peptide); Monomer(s): α-benzyl-L-aspartic acid β-lactam

α-benzyl-L-aspartic acid poly(β-peptide); Monomer(s): α-benzyl-L-aspartic acid β-lactam

Conditions
ConditionsYield
With magnesium bis(hexamethyldisilazide) In dichloromethane for 0.2h; Product distribution; Further Variations:; Reagents; Solvents; concentrations;100%
With magnesium bis(hexamethyldisilazide) In dichloromethane for 0.2h;100%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-oxo-azetidine-2-carboxylic acid
16404-94-7

(S)-4-oxo-azetidine-2-carboxylic acid

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In tetrahydrofuran for 14h;98%
With hydrogen; palladium 10% on activated carbon In methanol at 25℃; under 760.051 Torr; for 0.5h;93%
With hydrogen; palladium on activated charcoal In isopropyl alcohol at 20℃; under 1140.08 Torr; for 0.333333h;85%
With hydrogen; palladium on activated charcoal In tetrahydrofuran at 25℃; for 0.75h;11.8 g
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(S)-benzyl-1-(tert-butyldimethylsilyl)-4-oxoazetidine-2-carboxylate
82938-49-6

(S)-benzyl-1-(tert-butyldimethylsilyl)-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With triethylamine98%
With triethylamine97%
With triethylamine In N,N-dimethyl-formamide93%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-Oxo-azetidine-2-carboxylic acid 2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-ethyl ester
372515-10-1

(S)-4-Oxo-azetidine-2-carboxylic acid 2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-ethyl ester

α-3,6,9,12-tetraoxatridecyl-L-aspartic acid, α-benzyl-L-aspartic acid diblock copoly(β-peptide); Monomer(s): α-3,6,9,12-tetraoxatridecyl-L-aspartic acid β-lactam; α-benzyl-L-aspartic acid β-lactam

α-3,6,9,12-tetraoxatridecyl-L-aspartic acid, α-benzyl-L-aspartic acid diblock copoly(β-peptide); Monomer(s): α-3,6,9,12-tetraoxatridecyl-L-aspartic acid β-lactam; α-benzyl-L-aspartic acid β-lactam

Conditions
ConditionsYield
With tris(bistrimethylsilylamine)scandium(III) In dichloromethane at 20℃;95%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(4S)-benzyl N-(tbutoxycarbonyl)-azetidin-2-one-4-carboxylate

(4S)-benzyl N-(tbutoxycarbonyl)-azetidin-2-one-4-carboxylate

Conditions
ConditionsYield
With dmap In acetonitrile for 17h; Ambient temperature;94%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

ortho-toluoyl chloride
933-88-0

ortho-toluoyl chloride

benzyl (S)-1-(2-methylbenzoyl)-4-oxoazetidine-2-carboxylate

benzyl (S)-1-(2-methylbenzoyl)-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;86%
1,1,1,2,2,2-hexamethyldisilane
1450-14-2

1,1,1,2,2,2-hexamethyldisilane

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(4S)-N-(trimethylsilyl)-2-oxoazetidine-4-carboxylic acid benzyl ester
100188-43-0

(4S)-N-(trimethylsilyl)-2-oxoazetidine-4-carboxylic acid benzyl ester

Conditions
ConditionsYield
With saccharin In 1,2-dimethoxyethane for 2h; Heating;78%
2,2-dimethyl-propanol-1
75-84-3

2,2-dimethyl-propanol-1

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-(2,2'-dimethyl)propoxycarbonyl-2-azetidinone

(S)-4-(2,2'-dimethyl)propoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 100℃; for 2h;75%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

2-tolyl isocyanate
614-68-6

2-tolyl isocyanate

benzyl (S)-4-oxo-(o-tolylcarbamoyl)azetidine-2-carboxylate

benzyl (S)-4-oxo-(o-tolylcarbamoyl)azetidine-2-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20℃; for 2h; Inert atmosphere;75%
phosgene
75-44-5

phosgene

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

benzyl (S)-4-oxo-1-(phenylcarbamoyl)azetidine-2-carboxylate
911852-27-2

benzyl (S)-4-oxo-1-(phenylcarbamoyl)azetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: phosgene; aniline With triethylamine In dichloromethane; toluene at 0℃; for 0.5h;
Stage #2: (S)-benzyl 4-oxoazetidine-2-carboxylate In tetrahydrofuran; dichloromethane; toluene
73%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

BOC-L-alanine-NCA
125814-30-4

BOC-L-alanine-NCA

benzyl (S)-1-[(S)-N-(tert-butoxycarbonyl)-alanyl]-4-oxoazetidine-2-carboxylate
321863-81-4

benzyl (S)-1-[(S)-N-(tert-butoxycarbonyl)-alanyl]-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-benzyl 4-oxoazetidine-2-carboxylate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.166667h;
Stage #2: BOC-L-alanine-NCA In tetrahydrofuran; hexane at -78℃; for 1h;
71%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

butan-1-ol
71-36-3

butan-1-ol

(S)-4-butoxycarbonyl-2-azetidinone

(S)-4-butoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 100℃; for 2h;69%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

2,6-dimethyl-4-pyrimidinyl p-toluenesulfonate
40227-86-9

2,6-dimethyl-4-pyrimidinyl p-toluenesulfonate

(R)-benzyl 1-(2,6-dimethylpyrimidin-4-yl)-4-oxoazetidine-2-carboxylate
1233503-36-0

(R)-benzyl 1-(2,6-dimethylpyrimidin-4-yl)-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; potassium carbonate; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 16h; Inert atmosphere;69%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

isopropyl alcohol
67-63-0

isopropyl alcohol

(S)-4-isopropoxycarbonyl-2-azetidinone
155878-39-0

(S)-4-isopropoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 205℃; for 2h;68%
methanol
67-56-1

methanol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

methyl (S)-(-)-2-oxoazetidine-4-carboxylate
100188-44-1

methyl (S)-(-)-2-oxoazetidine-4-carboxylate

Conditions
ConditionsYield
With tetrabutoxytitanium at 86℃; for 4h;64%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Benzyl bromoacetate
5437-45-6

Benzyl bromoacetate

benzyl (S)-1-[(benzyloxycarbonyl)methyl]-4-oxoazetidine-2-carboxylate

benzyl (S)-1-[(benzyloxycarbonyl)methyl]-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-benzyl 4-oxoazetidine-2-carboxylate With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran; hexane at -78℃; for 0.0333333h;
Stage #2: Benzyl bromoacetate In tetrahydrofuran; hexane at -78 - 20℃;
59%
octanol
111-87-5

octanol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-octoxycarbonyl-2-azetidinone

(S)-4-octoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 80℃; for 2h;58%
2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

2-methyl-1-propyl (S)-(-)-2-oxoazetidine-4-carboxylate
120260-62-0

2-methyl-1-propyl (S)-(-)-2-oxoazetidine-4-carboxylate

Conditions
ConditionsYield
With tetrabutoxytitanium at 85℃; for 2h;58%
With tetrabutoxytitanium
1-dodecyl alcohol
112-53-8

1-dodecyl alcohol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-dodecoxycarbonyl-2-azetidinone

(S)-4-dodecoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 105℃; for 4h;58%
Cyclopentanol
96-41-3

Cyclopentanol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-cyclopentoxycarbonyl-2-azetidinone

(S)-4-cyclopentoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 85℃; for 2h;56%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

cyclohexanol
108-93-0

cyclohexanol

(S)-4-cyclohexoxycarbonyl-2-azetidinone

(S)-4-cyclohexoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 105℃; for 3h;56%
1-octadecanol
112-92-5

1-octadecanol

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

(S)-4-octadecoxycarbonyl-2-azetidinone

(S)-4-octadecoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 91℃; for 4h;51%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

hexan-1-ol
111-27-3

hexan-1-ol

(S)-4-hexoxycarbonyl-2-azetidinone

(S)-4-hexoxycarbonyl-2-azetidinone

Conditions
ConditionsYield
With tetrabutoxytitanium at 85℃; for 2h;47%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid-tert-butyl ester
141468-55-5

4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid-tert-butyl ester

benzyl (S)-1-[(S)-N-(tert-butoxycarbonyl)-valyl]-4-oxoazetidine-2-carboxylate

benzyl (S)-1-[(S)-N-(tert-butoxycarbonyl)-valyl]-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-benzyl 4-oxoazetidine-2-carboxylate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.166667h;
Stage #2: 4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid-tert-butyl ester In tetrahydrofuran; hexane at -78℃; for 1h;
41%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

Z-L-Ala-NCA

Z-L-Ala-NCA

benzyl (S)-1-[(S)-N-(benzyloxycarbonyl)-alanyl]-4-oxoazetidine-2-carboxylate

benzyl (S)-1-[(S)-N-(benzyloxycarbonyl)-alanyl]-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-benzyl 4-oxoazetidine-2-carboxylate With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.166667h;
Stage #2: Z-L-Ala-NCA In tetrahydrofuran; hexane at -78℃; for 1h;
37%
tert-butyl(4-(isocyanatomethyl)phenyl)carbamate

tert-butyl(4-(isocyanatomethyl)phenyl)carbamate

(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

benzyl (S)-1-(4-tert-butoxycarbonylaminobenzylcarbamoyl)-4-oxoazetidine-2-carboxylate

benzyl (S)-1-(4-tert-butoxycarbonylaminobenzylcarbamoyl)-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-benzyl 4-oxoazetidine-2-carboxylate With sodium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.25h; Inert atmosphere;
Stage #2: tert-butyl(4-(isocyanatomethyl)phenyl)carbamate In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere;
37%
(S)-benzyl 4-oxoazetidine-2-carboxylate
72776-05-7

(S)-benzyl 4-oxoazetidine-2-carboxylate

tert-butyl 2-(fluorocarbonyl)pyrrolidine-1-carboxylate
133010-05-6

tert-butyl 2-(fluorocarbonyl)pyrrolidine-1-carboxylate

benzyl N-[N-(tert-butoxycarbonyl)-prolyl]-4-oxoazetidine-2-carboxylate

benzyl N-[N-(tert-butoxycarbonyl)-prolyl]-4-oxoazetidine-2-carboxylate

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at -78 - 20℃;20%

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