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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 services. DayangChem can provide different quantities of custom synthesis ch

(1R,2S)-1-[(tert-Butoxycarbonyl)amino]-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:1 Kilogram

FOB Price: $3.0

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

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

(1R,2S)-1-(tert-Butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

VINYL ACCA 159622-10-3

Cas:159622-10-3

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

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

New production CAS 159622-10-3 with best quality

Cas:159622-10-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Orga

VINYL ACCA CAS NO.159622-10-3

Cas:159622-10-3

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

159622-10-3 VINYL ACCA

Cas:159622-10-3

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

VINYL ACCA CAS:159622-10-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates

VINYL ACCA CAS:159622-10-3

Cas:159622-10-3

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:1 Kilogram

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

(1R,2S)-1-((tert-Butoxycarbonyl)amino)-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:1 Gram

FOB Price: $65.32

Type:Trading Company

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and quality c

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:100 Metric Ton

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

VINYL ACCA

Cas:159622-10-3

Min.Order:1 Gram

FOB Price: $1.0

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

(1R,2S)-1-[(tert-Butoxycarbonyl)amino]-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Think Chemical Co. Ltd

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exp

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Other

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

VINYL ACCA

Cas:159622-10-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Kono Chem Co.,Ltd

Product Name: VINYL ACCA Synonyms: VINYL ACCA;VINYL ACCA A.K.A (1R,2S) N-BOC-1-AMINO-2-VINYL CYC;1R,2S)-1-[(tert-Butoxycarbonyl)amino]-2-vinylcyclopr…Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:aluminum foil bag,carton

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Other

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

Cyclopropanecarboxylic acid, 1-[[(1,1-dimethylethoxy)carbonyl]amino]-2-ethenyl-, (1R,2S)-

Cas:159622-10-3

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

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

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid cas no. 159622-10-3 98%

Cas:159622-10-3

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

(1R,2S)-1-[(tert-Butoxycarbonyl)amino]-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

VINYL ACCA CAS NO.159622-10-3

Cas:159622-10-3

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

VINYL ACCA

Cas:159622-10-3

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

(1R,2S)-1-Tert-Butoxycarbonylamino-2-Vinylcyclopropanecarboxylic Acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

(1R,2S)-1-tert-Butoxycarbonylamino-2-vinylcyclopropanecarboxylic acid

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

VINYL ACCA

Cas:159622-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester
159622-09-0

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester With lithium hydroxide; water In tetrahydrofuran; methanol at 20℃; for 19h;
Stage #2: With hydrogenchloride In tetrahydrofuran; methanol; water pH=1;
100%
With lithium hydroxide monohydrate; water In tetrahydrofuran; methanol at 45℃;98%
With potassium hydroxide In methanol
dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
With acetic acid In water; ethyl acetate at 0℃; for 0.5h;100%
With acetic acid In water; ethyl acetate at 0℃; for 0.5h;100%
With acetic acid In water; ethyl acetate at 3℃; for 0.5h;472 mg
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: di-tert-butyl dicarbonate; (1R,2S)-2-vinyl-1-aminocyclopropanecarboxylic acid With triethylamine In water; acetone at 20℃; for 20h;
Stage #2: With citric acid In water pH=2 - 3;
100%
With triethylamine In water; acetone at 20℃; for 20h;100%
With triethylamine In water; acetone at 20℃; for 20h;100%
With sodium hydroxide In dichloromethane; water at 20 - 25℃; for 16h; pH=9.5 - 10; pH-value;8.97 g
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
With acetic acid In water; ethyl acetate at 0℃; for 0.5h;99.5%
N-Boc-(1R,2S)-1-amino-2-vinylcyclopropane carboxylic acid ethyl ester
259217-95-3

N-Boc-(1R,2S)-1-amino-2-vinylcyclopropane carboxylic acid ethyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
With sulfuric acid In water pH=2;99%
With water; lithium hydroxide In tetrahydrofuran; methanol at 0 - 20℃;99%
With water; lithium hydroxide In tetrahydrofuran; methanol at 0 - 20℃;99%
methyl N-Boc-(1R,2S)-1-amino-2-vinylcyclopropane-carboxylate tosylate
1265883-97-3

methyl N-Boc-(1R,2S)-1-amino-2-vinylcyclopropane-carboxylate tosylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: methyl N-Boc-(1R,2S)-1-amino-2-vinylcyclopropane-carboxylate tosylate With sodium hydroxide In tetrahydrofuran; water at 20 - 50℃; for 72h;
Stage #2: With hydrogenchloride In water
98%
With water; sodium hydroxide In tetrahydrofuran at 20 - 50℃; for 72h;98%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

sodium (1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylate
1221174-69-1

sodium (1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: sodium (1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylate With hypochloric acid In tetrahydrofuran; water at 0 - 60℃; for 3h;
Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; water at 26℃; for 3h;
Stage #3: With hydrogenchloride In tetrahydrofuran; water pH=3;
70%
dimethyl 2-vinylcyclopropane-1,1-dicarboxylate
17447-60-8

dimethyl 2-vinylcyclopropane-1,1-dicarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
2: Et3N, NaN3, ClCOOEt
3: Heating
4: aq. KOH / methanol
View Scheme
(1S,2S)-1-Azidocarbonyl-2-vinyl-cyclopropanecarboxylic acid methyl ester
159622-08-9

(1S,2S)-1-Azidocarbonyl-2-vinyl-cyclopropanecarboxylic acid methyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Heating
2: aq. KOH / methanol
View Scheme
(1S,2S)-1-carbomethoxy-2-vinylcyclopropane-1-carboxylic acid
159700-59-1

(1S,2S)-1-carbomethoxy-2-vinylcyclopropane-1-carboxylic acid

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N, NaN3, ClCOOEt
2: Heating
3: aq. KOH / methanol
View Scheme
(1R,2S)-1-amino-2-vinylcyclopropane carboxylic acid methyl ester tosylate salt

(1R,2S)-1-amino-2-vinylcyclopropane carboxylic acid methyl ester tosylate salt

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-amino-2-vinylcyclopropane carboxylic acid methyl ester tosylate salt; di-tert-butyl dicarbonate With sodium hydroxide; water In tetrahydrofuran at 18 - 22℃; for 96h;
Stage #2: With hydrogenchloride; water at 0℃; pH=3 - 4;
(Z)-1-carbamoyl-2-ethenylcyclopropanecarboxylic acid

(Z)-1-carbamoyl-2-ethenylcyclopropanecarboxylic acid

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: acetonitrile / 1 h / 20 °C / Resolution of racemate
2.1: sodium hydroxide / toluene; water
3.1: hypochloric acid / water; tetrahydrofuran / 3 h / 0 - 60 °C
3.2: 3 h / 26 °C
3.3: pH 3
View Scheme
(1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylic acid (S)-N-benzyl-1-phenylethylamine salt
1221174-65-7

(1S,2S)-2-vinyl-1-carbamoylcyclopropanecarboxylic acid (S)-N-benzyl-1-phenylethylamine salt

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium hydroxide / toluene; water
2.1: hypochloric acid / water; tetrahydrofuran / 3 h / 0 - 60 °C
2.2: 3 h / 26 °C
2.3: pH 3
View Scheme
(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triethylamine / water; acetone / 20 h / 25 °C
1.2: 21 h / 0 - 25 °C
2.1: acetic acid / water; ethyl acetate / 0.5 h / 3 °C
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: triethylamine / water; acetone / 20 h / 25 °C
1.2: 21 h / 0 - 25 °C
2.1: acetic acid / water; ethyl acetate / 0.5 h / 3 °C
View Scheme
Multi-step reaction with 3 steps
1: tert-butyl methyl ether / 2 h / 20 °C
2: sodium hydroxide; Alcalase / dimethyl sulfoxide / 72 h / 40 °C / pH Ca.8
3: lithium hydroxide / tetrahydrofuran; water; methanol / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: 20 °C / Heating / reflux
2.1: savinase 16.0L / dimethyl sulfoxide / 18 h / 40 °C / pH 8.5 / Heps.Na buffer
2.2: pH 2
3.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
(1R,2S)/(1S,2R) 1-amino-2-vinylcyclopropane carboxylic acid ethyl ester
787548-29-2

(1R,2S)/(1S,2R) 1-amino-2-vinylcyclopropane carboxylic acid ethyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tert-butyl methyl ether / 2 h / 20 °C
2: sodium hydroxide; Alcalase / dimethyl sulfoxide / 72 h / 40 °C / pH Ca.8
3: lithium hydroxide / tetrahydrofuran; water; methanol / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: 20 °C / Heating / reflux
2.1: savinase 16.0L / dimethyl sulfoxide / 18 h / 40 °C / pH 8.5 / Heps.Na buffer
2.2: pH 2
3.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 20 °C / Heating / reflux
2: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
(E)-ethyl 1-(benzylideneamino)-2-vinylcyclopropanecarboxylate
1393095-18-5

(E)-ethyl 1-(benzylideneamino)-2-vinylcyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: hydrogenchloride / ethyl acetate / 2 h
2: tert-butyl methyl ether / 2 h / 20 °C
3: sodium hydroxide; Alcalase / dimethyl sulfoxide / 72 h / 40 °C / pH Ca.8
4: lithium hydroxide / tetrahydrofuran; water; methanol / 1 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: hydrogenchloride; water / tert-butyl methyl ether / 2 h / 20 °C
1.2: 0 °C / pH 14
2.1: 20 °C / Heating / reflux
3.1: savinase 16.0L / dimethyl sulfoxide / 18 h / 40 °C / pH 8.5 / Heps.Na buffer
3.2: pH 2
4.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: hydrogenchloride; water / tert-butyl methyl ether / 2 h / 20 °C
1.2: pH 14
2.1: 20 °C / Heating / reflux
3.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
(1R,2S)-ethyl 1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylate
681807-59-0

(1R,2S)-ethyl 1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydroxide; Alcalase / dimethyl sulfoxide / 72 h / 40 °C / pH Ca.8
2: lithium hydroxide / tetrahydrofuran; water; methanol / 1 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium hydroxide; Alcalase / dimethyl sulfoxide / 25 h / 40 °C
2: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
C21H21NO2
1023795-84-7

C21H21NO2

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: hydrogenchloride; water / diethyl ether / 3.5 h / 20 °C
2.1: 20 °C / Heating / reflux
3.1: savinase 16.0L / dimethyl sulfoxide / 18 h / 40 °C / pH 8.5 / Heps.Na buffer
3.2: pH 2
4.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: hydrogenchloride; water / diethyl ether / 3.5 h / 20 °C
2: 20 °C / Heating / reflux
3: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
(1S,2R)-1-{[1-Phenyl-meth-(E)-ylidene]-amino}-2-vinyl-cyclopropanecarboxylic acid ethyl ester

(1S,2R)-1-{[1-Phenyl-meth-(E)-ylidene]-amino}-2-vinyl-cyclopropanecarboxylic acid ethyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: hydrogenchloride; water / tert-butyl methyl ether; toluene / 2 h / 20 °C
1.2: 0 °C / pH 14
2.1: tert-butyl methyl ether / 20 °C / Heating / reflux
3.1: sodium hydroxide / savinase 16.0 L / water; dimethyl sulfoxide / 66.66 h / 35 - 48 °C / pH 8.5 - 9 / Resolution of racemate; sodium borate buffer; Enzymatic reaction
4.1: methanol; lithium hydroxide; water / tetrahydrofuran / 20 °C
4.3: pH 4
View Scheme
rac-(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid ethyl ester

rac-(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid ethyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: tert-butyl methyl ether / 20 °C / Heating / reflux
2.1: sodium hydroxide / savinase 16.0 L / water; dimethyl sulfoxide / 66.66 h / 35 - 48 °C / pH 8.5 - 9 / Resolution of racemate; sodium borate buffer; Enzymatic reaction
3.1: methanol; lithium hydroxide; water / tetrahydrofuran / 20 °C
3.3: pH 4
View Scheme
Multi-step reaction with 3 steps
1.1: tert-butyl methyl ether; toluene / 20 °C / Heating / reflux
2.1: esperase 8.0L / water; dimethyl sulfoxide / 90 h / 40 °C / pH 8.5 / Heps*Na buffer; Enzymatic reaction; Resolution of racemate
3.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
3.2: pH 4
View Scheme
Multi-step reaction with 3 steps
1.1: tert-butyl methyl ether; toluene / 20 °C / Heating / reflux
2.1: sodium hydroxide; alcalase 2.4L; water / dimethyl sulfoxide / 86.66 h / 26 - 40 °C / pH 8.0 - 8.5 / Resolution of racemate; Enzymatic reaction; Aqueous phosphate buffer
3.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
3.2: pH 4
View Scheme
(1RS,2SR)-ethyl 2-vinyl-1-(tert-butoxycarbonylamino)cyclopropanecarboxylate

(1RS,2SR)-ethyl 2-vinyl-1-(tert-butoxycarbonylamino)cyclopropanecarboxylate

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: savinase 16.0L / dimethyl sulfoxide / 18 h / 40 °C / pH 8.5 / Heps.Na buffer
1.2: pH 2
2.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydroxide / savinase 16.0 L / water; dimethyl sulfoxide / 66.66 h / 35 - 48 °C / pH 8.5 - 9 / Resolution of racemate; sodium borate buffer; Enzymatic reaction
2.1: methanol; lithium hydroxide; water / tetrahydrofuran / 20 °C
2.3: pH 4
View Scheme
Multi-step reaction with 2 steps
1.1: esperase 8.0L / water; dimethyl sulfoxide / 90 h / 40 °C / pH 8.5 / Heps*Na buffer; Enzymatic reaction; Resolution of racemate
2.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
2.2: pH 4
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydroxide; alcalase 2.4L; water / dimethyl sulfoxide / 86.66 h / 26 - 40 °C / pH 8.0 - 8.5 / Resolution of racemate; Enzymatic reaction; Aqueous phosphate buffer
2.1: lithium hydroxide; water / tetrahydrofuran; methanol / 20 °C
2.2: pH 4
View Scheme
cyclopropanesulphonamide
154350-29-5

cyclopropanesulphonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl ((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)carbamate
630421-48-6

tert-butyl ((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)carbamate

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole at 20℃; Reflux;100%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 0.833333h; Heating / reflux;
Stage #2: cyclopropanesulphonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 20h;
92%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 0.833333h; Heating / reflux;
Stage #2: cyclopropanesulphonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran for 20h;
92%
1-benzylcyclo-propylsulfonamide
669008-34-8

1-benzylcyclo-propylsulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C21H28N2O5S
681809-18-7

C21H28N2O5S

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 1.5h; Heating / reflux;
Stage #2: 1-benzylcyclo-propylsulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 72h;
100%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 1.5h; Heating / reflux;
Stage #2: 1-benzylcyclo-propylsulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 72h;
100%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-amino-2-vinylcyclopropanecarboxylic acid

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With methanesulfonic acid In dichloromethane at 25℃; for 3h;
Stage #2: With triethylamine In dichloromethane at 25℃; for 0.5h;
100%
1-cyclopropylmethyl-cyclopropanesulfonic acid amide

1-cyclopropylmethyl-cyclopropanesulfonic acid amide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C18H28N2O5S
681809-25-6

C18H28N2O5S

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 78℃; for 0.75h;
Stage #2: 1-cyclopropylmethyl-cyclopropanesulfonic acid amide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 14h;
98%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 78℃; for 0.75h;
Stage #2: 1-cyclopropylmethyl-cyclopropanesulfonic acid amide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 14h;
98%
N,N-dimethylsulfamide
3984-14-3

N,N-dimethylsulfamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C13H23N3O5S
905994-12-9

C13H23N3O5S

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃; for 3h;
Stage #2: N,N-dimethylsulfamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 15h;
97%
1-(Fluoro methyl)cyclopropane-1-sulfonamide
1409950-08-8

1-(Fluoro methyl)cyclopropane-1-sulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl (1R,2S)-1-(1-(fluoromethyl)cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamate
1409964-03-9

tert-butyl (1R,2S)-1-(1-(fluoromethyl)cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamate

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 55℃; for 4h;
Stage #2: 1-(Fluoro methyl)cyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 55℃; for 18h;
96%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 55℃; for 4h;
Stage #2: 1-(Fluoro methyl)cyclopropane-1-sulfonamide In N,N-dimethyl-formamide at 55℃; for 18h;
96%
With hydrogenchloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide
1-(Fluoro methyl)cyclopropane-1-sulfonamide
1409950-08-8

1-(Fluoro methyl)cyclopropane-1-sulfonamide

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl (1R,2S)-1-(1-(fluoromethyl)cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamate
1409964-03-9

tert-butyl (1R,2S)-1-(1-(fluoromethyl)cyclopropylsulfonylcarbamoyl)-2-vinylcyclopropylcarbamate

Conditions
ConditionsYield
With hydrogenchloride In N,N-dimethyl-formamide96%
With hydrogenchloride In N,N-dimethyl-formamide96%
methanol
67-56-1

methanol

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester
159622-09-0

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester

Conditions
ConditionsYield
With diazomethyl-trimethyl-silane In hexane; toluene at 20℃; for 0.5h;92%
sulfamic acid 1-methyl-cyclopropyl ester
1229248-10-5

sulfamic acid 1-methyl-cyclopropyl ester

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1R,2S)-[2-vinyl-1-(1-methylcyclopropoxysulfonylaminocarbonyl)cyclopropyl]carbamic acid tert-butyl ester
1233399-93-3

(1R,2S)-[2-vinyl-1-(1-methylcyclopropoxysulfonylaminocarbonyl)cyclopropyl]carbamic acid tert-butyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; for 72h;88%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl ((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)carbamate
630421-48-6

tert-butyl ((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-vinylcyclopropyl)carbamate

Conditions
ConditionsYield
With CDI; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran87%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

diazomethyl-trimethyl-silane
18107-18-1

diazomethyl-trimethyl-silane

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester
159622-09-0

(1R,2S)-1-tert-butoxycarbonylamino-2-vinyl-cyclopropanecarboxylic acid methyl ester

Conditions
ConditionsYield
In methanol; diethyl ether; toluene at 25℃; for 0.5h;84%
benzoic acid hydrazide
613-94-5

benzoic acid hydrazide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C18H23N3O4

C18H23N3O4

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; for 3.5h;83%
N-cyclohexyl-cyclohexanamine
101-83-7

N-cyclohexyl-cyclohexanamine

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

dicyclohexylammonium (1R,2S)-N-(tertbutoxycarbonyl)-1-amino-2-vinylcyclopropanecarboxylate

Conditions
ConditionsYield
In ethyl acetate at 20℃; for 20h;80%
In ethyl acetate at 0 - 20℃; for 21h;11.5 g
In ethyl acetate at 20℃; for 20h;11.5 g
1-methylcyclopropane-1-sulfonamide
669008-26-8

1-methylcyclopropane-1-sulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl [(1R,2S)-2-ethenyl-1-{[(1-methylcyclopropyl)sulfonyl]carbamoyl}cyclopropyl]carbamate
853269-57-5

tert-butyl [(1R,2S)-2-ethenyl-1-{[(1-methylcyclopropyl)sulfonyl]carbamoyl}cyclopropyl]carbamate

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 85℃; for 0.5h;
Stage #2: 1-methylcyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 16h;
79%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 1h; Inert atmosphere; Reflux;
Stage #2: 1-methylcyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran for 20h; Inert atmosphere;
76%
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 85℃; for 2h;
Stage #2: 1-methylcyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 75℃;
74.2%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1R,2S)-ethyl 2-((tert-butoxycarbonyl)amino)[1,1′-bi(cyclopropane)]-2-carboxylate
630111-73-8

(1R,2S)-ethyl 2-((tert-butoxycarbonyl)amino)[1,1′-bi(cyclopropane)]-2-carboxylate

Conditions
ConditionsYield
With diazomethane; palladium diacetate In diethyl ether at 20℃; for 19h;78%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl [(1R,2S)-2-ethenyl-1-{[(1-methylcyclopropyl)sulfonyl]carbamoyl}cyclopropyl]carbamate
853269-57-5

tert-butyl [(1R,2S)-2-ethenyl-1-{[(1-methylcyclopropyl)sulfonyl]carbamoyl}cyclopropyl]carbamate

Conditions
ConditionsYield
With CDI; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran77%
1-methylcyclopropane-1-sulfonamide
669008-26-8

1-methylcyclopropane-1-sulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1-methyl-cyclopropanesulfonaminocarbonyl-2-vinyl-cyclopropyl)-carbamic acid tert-butyl ester

(1-methyl-cyclopropanesulfonaminocarbonyl-2-vinyl-cyclopropyl)-carbamic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃; for 2h; Reflux;
Stage #2: 1-methylcyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene at 0 - 20℃; for 16h;
65%
benzenesulfonamide
98-10-2

benzenesulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

tert-butyl (1R,2S)-1-{[(phenylsulfonyl)amino]carbonyl}-2-vinylcyclopropylcarbamate
905994-17-4

tert-butyl (1R,2S)-1-{[(phenylsulfonyl)amino]carbonyl}-2-vinylcyclopropylcarbamate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃;62%
benzenesufonyl hydrazide
80-17-1

benzenesufonyl hydrazide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C17H23N3O5S

C17H23N3O5S

Conditions
ConditionsYield
With diisopropyl-carbodiimide In dichloromethane at 20℃; for 2h;60%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

(1R,2R)-1-(tert-butoxycarbonylamino)-2-ethylcyclopropanecarboxylic acid
159700-60-4

(1R,2R)-1-(tert-butoxycarbonylamino)-2-ethylcyclopropanecarboxylic acid

Conditions
ConditionsYield
With 10 wt% Pd(OH)2 on carbon; hydrogen In tert-butyl methyl ether under 760.051 Torr; for 3h;49%
With hydrogen; palladium hydroxide on carbon In tert-butyl methyl ether at 20℃; under 760.051 Torr; for 5h; Product distribution / selectivity;42%
With hydrogen; palladium on activated charcoal
1-ethyl cyclopropane-1-sulfonamide
681808-56-0

1-ethyl cyclopropane-1-sulfonamide

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

1-ethyl-cyclopropanesulfonic acid [1(R)-N-Boc-amino-2(S)-vinyl-cyclopropanecarbonyl]-amide
853269-46-2

1-ethyl-cyclopropanesulfonic acid [1(R)-N-Boc-amino-2(S)-vinyl-cyclopropanecarbonyl]-amide

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 1h; Heating / reflux;
Stage #2: 1-ethyl cyclopropane-1-sulfonamide With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃;
Stage #3: With hydrogenchloride In tetrahydrofuran; water pH=1;
32%
(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid
159622-10-3

(1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid

C11H18N2O3

C11H18N2O3

Conditions
ConditionsYield
Stage #1: (1R,2S)-1-(tert-butoxycarbonylamino)-2-vinylcyclopropanecarboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran at 70℃; for 2h;
Stage #2: With ammonia In tetrahydrofuran at 0 - 20℃; Further stages.;

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