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inquiry7-AVCA English name: 7-AVCA Chemical name: (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Category involved: Intermediates Struct
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
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inquiryAbout Product Details
Cas:79349-82-9
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inquiryOur 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
TIANFUCHEM--79349-82-9--High purity 7-AVCA factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business re
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inquiryWITH 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
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers
Cas:79349-82-9
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inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
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inquiryOur 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 prese
7-AVCA CAS79349-82-9 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, ster
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inquiryHello, 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
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inquiry7-AVCA CAS: 79349-82-9 Specification English name: 7-AVCA Chemical name: (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Category involved: Intermediates
Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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
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inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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inquiryA 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
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
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inquiryZibo 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
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inquirySuperior quality, moderate price & quick delivery. Appearance:White Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical Intermediates, etc. Transpor
Cas:79349-82-9
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inquiryHuarong Industrial Group Limited established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World.
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,
Cas:79349-82-9
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Methyltriphenylphosphonium bromide
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 25℃; for 1.5h; pH=7 - 9; Temperature; Reagent/catalyst; Solvent; | 96.1% |
7-(phenylacetamido)-3-vinylcephem-4-carboxylic acid
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With acetic acid In phenol at 35℃; for 6h; Temperature; Reagent/catalyst; | 93.8% |
With sodium carbonate; penicillin G amidase In water at 29 - 33℃; pH=8; Large scale reaction; Enzymatic reaction; | 5.36 kg |
With penicillin acylase; sodium hydroxide at 30 - 32℃; pH=6.8 - 7.5; Reagent/catalyst; Temperature; Enzymatic reaction; |
7-(phenylacetyl)amino-3-vinyl-4-cephalosporanic acid p-methoxybenzyl ester
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With SO42-/SnO2-ZnO4 In acetonitrile at 50℃; for 1h; Solvent; Reagent/catalyst; | 82% |
With phosphoric acid; phenol at 40 - 50℃; Reagent/catalyst; | 22.8 g |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: nitric acid; sodium bromide / acetone / 3 h / 40 °C 2: potassium carbonate; sodium hydroxide / 2 h / 0 - 10 °C 3: methanol / 1 h / Reflux 4: acetic acid / phenol / 6 h / 35 °C View Scheme |
(6R,7R)-3-Chloromethyl-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium iodide; triphenylphosphine; sodium hydroxide / dichloromethane; acetone; water / 10.5 h / 20 °C / pH 7-9 2: phosphoric acid; phenol / 2 h / 40 - 50 °C 3: penicillin acylase; sodium hydroxide / 30 - 32 °C / pH 6.8 - 7.5 / Enzymatic reaction View Scheme |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: C5H3N3O2S; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid at 0 - 32℃; for 1h; Stage #2: With sulfuric acid In water at 20 - 25℃; for 0.5h; pH=5; Temperature; | 98% |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogensulfite; triethylamine In tetrahydrofuran; water at 10 - 15℃; for 5h; | 96.1% |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
{(Z)-3-[4-Benzhydryloxy-5-(4-methoxy-benzyloxy)-1-oxy-pyridin-2-yl]-isoxazol-5-ylmethoxyimino}-[2-(trityl-amino)-thiazol-4-yl]-acetic acid
(6R,7R)-7-{2-{(Z)-3-[4-Benzhydryloxy-5-(4-methoxy-benzyloxy)-1-oxy-pyridin-2-yl]-isoxazol-5-ylmethoxyimino}-2-[2-(trityl-amino)-thiazol-4-yl]-acetylamino}-8-oxo-3-vinyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate Substitution; | 96% |
S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefdinir
Conditions | Yield |
---|---|
Stage #1: S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In tetrahydrofuran at 20 - 23℃; for 5h; Stage #2: With hydrogenchloride; methoxybenzene In tetrahydrofuran; dichloromethane at -25 - -20℃; for 1.5h; | 88.6% |
Stage #1: S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In tetrahydrofuran; water at 20℃; for 4 - 6h; Stage #2: With potassium carbonate In water at 20℃; for 0.5 - 0.75h; pH=8.0 - 8.2; Stage #3: With sulfuric acid In water pH=2 - 2.5; | |
Stage #1: S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid In tetrahydrofuran for 0.166667h; Stage #2: With water; triethylamine In tetrahydrofuran; dichloromethane at 15 - 25℃; for 3 - 4h; Stage #3: With sulfuric acid; water In tetrahydrofuran; dichloromethane at 35 - 40℃; for 2h; pH=2.4 - 2.5; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
S-(2-benzothiazolyl) 2-(2-aminothiazol-4-yl)-2(Z)-trityloxyiminothioacetate
cefdinir
Conditions | Yield |
---|---|
Stage #1: (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; S-(2-benzothiazolyl) 2-(2-aminothiazol-4-yl)-2(Z)-trityloxyiminothioacetate With triethylamine In N,N-dimethyl acetamide at 15 - 20℃; for 4h; Stage #2: With hydrogenchloride; methoxybenzene In dichloromethane; N,N-dimethyl acetamide at -15 - -10℃; for 2h; | 85.8% |
acetic acid tert-butyl ester
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate at 20℃; for 6h; Reagent/catalyst; Cooling with ice; | 77.7% |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide at 20℃; Cooling; | 25% |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
2-(2-tritylaminothiazol-4-yl)-2-(Z)-trityloxyiminoacetic acid
Conditions | Yield |
---|---|
Stage #1: 2-(2-tritylaminothiazol-4-yl)-2-(Z)-trityloxyiminoacetic acid With phosphorus pentachloride In dichloromethane at -15 - -10℃; for 0.5h; Stage #2: (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With N-Trimethylsilylacetamide In dichloromethane at 25 - 27℃; for 10h; Stage #3: With water; trifluoroacetic acid at 12 - 15℃; for 4h; Further stages.; | 8.6% |
N,N'-bis(trimethylsilyl)urea
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Ambient temperature; |
cyclohexanone
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With hydrogen bromide In acetonitrile at 0℃; Yield given; |
acetone
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride In acetic acid at 0℃; for 0.5h; Yield given; |
S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
C16H15N5O6S2
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 15 - 20℃; for 6h; |
triethylamine
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 18 - 20℃; for 5h; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
N-Trimethylsilylacetamide
Conditions | Yield |
---|---|
With N,N-dimethyl acetamide at 25 - 30℃; for 0.5h; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-[(2-aminothiazol-4-yl)acetamido]-3-vinyl-3-cephem-4-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: dimethylformamide / Ambient temperature 2: pyridine; dimethylformamide / 0.5 h / -10 - -5 °C 3: dimethylformamide; CH2Cl2; H2O; pyridine / 15 h 4: 98percent formic acid / 2 h / Ambient temperature View Scheme |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dimethylformamide / Ambient temperature 2: pyridine; dimethylformamide / 0.5 h / -10 - -5 °C 3: dimethylformamide; CH2Cl2; H2O; pyridine / 15 h View Scheme |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dimethylformamide / Ambient temperature 2: pyridine; dimethylformamide / 0.5 h / -10 - -5 °C View Scheme |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefdinir
Conditions | Yield |
---|---|
With N,O-bis-(trimethylsilyl)-acetamide In dichloromethane at 0 - 20℃; for 3.5h; |
N,O-bis-(trimethylsilyl)-acetamide
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
In dichloromethane at 10 - 25℃; for 1h; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine In water at 30 - 35℃; for 2h; Product distribution / selectivity; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
triethylamine
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 4℃; for 6h; |
S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Cefdinir potassium
Conditions | Yield |
---|---|
Stage #1: syn-2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetic acid mercaptobenzothiazolyl ester; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid In tetrahydrofuran; water at 15 - 20℃; pH=8.0 - 8.2; Stage #2: With water; potassium carbonate; ammonium chloride at 5 - 25℃; pH=8.0 - 8.2; Product distribution / selectivity; |
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-(Z)-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetimido]-3-vinyl-3-cephem-4-carboxylic acid cesium salt
Conditions | Yield |
---|---|
Stage #1: (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In tetrahydrofuran; water at 15 - 20℃; pH=8.0 - 8.2; Stage #2: With ammonium chloride; caesium carbonate In water at 20 - 25℃; pH=7.8 - 8.2; Product distribution / selectivity; |
S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-(Z)-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetimido]-3-vinyl-3-cephem-4-carboxylic acid cesium salt
Conditions | Yield |
---|---|
Stage #1: syn-2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetic acid mercaptobenzothiazolyl ester; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In tetrahydrofuran; dichloromethane; water at 15 - 25℃; for 0.5h; pH=~ 8.0 - 8.2; Stage #2: With water; ammonium chloride; caesium carbonate at 20 - 25℃; pH=7.8 - 8.2; Product distribution / selectivity; |
S-2-benzothiazolyl (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-methoxyimino thioacetate
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
potassium 7-(Z)-[2-(2-aminothiazol-4-yl)-2-hydroxylminoacetimido]-3-vinyl-3-cephem-4-carboxylate
Conditions | Yield |
---|---|
Stage #1: syn-2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetic acid mercaptobenzothiazolyl ester; (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In tetrahydrofuran; dichloromethane; water at 15 - 25℃; for 0.5h; pH=~ 8.0 - 8.2; Stage #2: With water; potassium carbonate; ammonium chloride at 20 - 25℃; pH=8.0 - 8.2; Product distribution / selectivity; |
thiourea
(6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: (6R,7R)-7-amino-3-vinyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With N,O-bis-(trimethylsilyl)-acetamide In dichloromethane at 20℃; for 4h; Stage #2: C7H7Cl2NO5 In dichloromethane at -10℃; for 1.5h; Stage #3: thiourea With sodium hydrogencarbonate In dichloromethane; water at 20℃; for 2h; pH=5.5; Product distribution / selectivity; |
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