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
Cas:24701-69-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:24701-69-7
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiry7-AMCA English name: 7-AMCA Chemical name: 7-Amino-3-methyl-3-cephem-4-carboxylic acid; 7-Amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Category involve
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
Cas:24701-69-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur 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
Cas:24701-69-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:24701-69-7
Min.Order:1 Kilogram
FOB Price: $30.0 / 40.0
Type:Trading Company
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
Cas:24701-69-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: 7-Amino-3-methoxymethyl-3-cephem-4-carboxylic acid Synonyms: 7-AMCA CAS:24701-69-7 MF:C9H12N2O4S Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Organic synthesis Trans
Cas:24701-69-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is
About Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:24701-69-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryHenan 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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
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
Cas:24701-69-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:24701-69-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:24701-69-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Off-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 Transporta
Cas:24701-69-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
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
Cas:24701-69-7
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry7-AMCA Basic information Product Name: 7-AMCA Synonyms: 7-AMINO-3-METHOXYMETHYL-3-CEPHEM-4-CARBOXYLIC ACID;7-ami
Cas:24701-69-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryProduct 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:24701-69-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct name: 7-AMCA CAS No.:24701-69-7 Molecule Formula:C9H12N2O4S Molecule Weight:244.27 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITE
GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:24701-69-7
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:24701-69-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:24701-69-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:24701-69-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:24701-69-7
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:API
Cas:24701-69-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh 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
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In methanol at 25 - 30℃; for 5h; immobilized enzyme, pH 6.8; | 81% |
Trimethyl borate
methyl bisulfate
7-Aminocephalosporanic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
In methanol; N,N-dimethyl-formamide at 0 - 20℃; for 5h; | 66.88% |
methanol
7-Aminocephalosporanic acid
A
6t-amino-(5ar)-5a,6-dihydro-3H,4H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7-dione
B
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid; trifluorormethanesulfonic acid at 13 - 14℃; for 0.75h; Yield given. Yields of byproduct given; |
7-Aminocephalosporanic acid
A
6t-amino-(5ar)-5a,6-dihydro-3H,4H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7-dione
B
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid; trifluorormethanesulfonic acid In methanol at 13 - 14℃; for 0.75h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
methanol
7-Aminocephalosporanic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: methanol; 7-Aminocephalosporanic acid; boron trifluoride In sulfolane Stage #2: With triethylamine In sulfolane; methanol; water | |
With methanesulfonic acid at 5 - 12℃; Reagent/catalyst; Temperature; |
(6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
trimethyl orthoformate
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid In acetonitrile at 5 - 40℃; Reagent/catalyst; Solvent; | |
Stage #1: trimethyl orthoformate With boron trifluoride diethyl etherate In acetonitrile at -20 - 25℃; for 0.916667h; Stage #2: (6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid In acetonitrile at 25℃; Temperature; |
Trimethyl borate
(6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid at 5 - 40℃; |
(6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
dimethyl sulfate
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid at 5 - 40℃; |
Methyl formate
(6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid at 5 - 40℃; |
Dimethoxymethane
(6R,7R)-7-amino-3-hydroxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With methanesulfonic acid at 5 - 40℃; |
Trimethyl borate
7-Aminocephalosporanic acid
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 7-Aminocephalosporanic acid With 1H-imidazole; 1,1,1,3,3,3-hexamethyl-disilazane In dimethyl sulfoxide at 30 - 35℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate With methanesulfonic acid In methanol; dimethyl sulfoxide at 0 - 5℃; Concentration; Solvent; Reagent/catalyst; | 43 g |
(Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefpodoxime
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at -5 - 5℃; for 2h; | 82.86% |
Stage #1: (Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate; (6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In methanol at 8 - 12℃; Stage #2: With sulfuric acid In methanol; water at 0 - 20℃; pH=2.4 - 2.5; Product distribution / selectivity; | |
With triethylamine In methanol; water at 15 - 20℃; | 81 mg |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 20℃; for 2h; Cooling with ice; | 69% |
1-iodoethyl 2,2-dimethylpropionate
C35H33N3O6S2
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts; |
1-iodoethyl 2,2-dimethylpropionate
C35H33N3O6S2
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine 1.) CH2Cl2, 15 deg C, 30 min; acetone, 0-5 deg C, 30 min, 2.) acetone, 20 deg C, 10 min; 20 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine 1.) CH2Cl2, 15 deg C, 30 min; acetone, 0-5 deg C, 30 min, 2.) acetone, 20 deg C, 10 min; 20 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given; |
C35H33N3O6S2
2,2-dimethyl-propionic acid (RS)-1-bromo-ethyl ester
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine 1.) CH2Cl2, 15 deg C, 30 min; acetone, 0-5 deg C, 30 min, 2.) acetone, 20 deg C, 27 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine 1.) CH2Cl2, 15 deg C, 30 min; acetone, 0-5 deg C, 30 min, 2.) acetone, 20 deg C, 27 h; Yield given. Multistep reaction. Yields of byproduct given; |
C35H33N3O6S2
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts; |
C35H33N3O6S2
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
C
(Z)-2-Hydroxyimino-2-(2-triphenylmethylaminothiazol-4-yl)-acetic acid
Conditions | Yield |
---|---|
With triethylamine 1.) CH2Cl2, 15 deg C, 30 min, 2.) acetone, 0-5 deg C, 30 min; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
2,2-dimethyl-propionic acid (RS)-1-bromo-ethyl ester
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetone 1.) r.t., 15 min, 2.) r.t., 4 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetone 1.) r.t., 15 min, 2.) r.t., 4 h; Yield given. Yields of byproduct given; |
chloro-trimethyl-silane
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With 1,1,1,3,3,3-hexamethyl-disilazane In dichloromethane for 3h; Heating; |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1,1,1,3,3,3-hexamethyldisilazane / CH2Cl2 / 3 h / Heating 2: 28 percent / CH2Cl2 / 2 h / -25 - -20 °C View Scheme |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1,1,1,3,3,3-hexamethyldisilazane / CH2Cl2 / 3 h / Heating 2: 64 percent / CH2Cl2 / 2 h / -25 - -20 °C View Scheme |
1-iodoethyl isopropyl carbonate
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane; ethyl acetate |
1-iodoethyl isopropyl carbonate
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
1-(Isopropoxycarbonyloxy)ethyl (6R,7R)-7-amino-3-methoxymethyl-3-cephem-4-carboxylate p-toluenesulfonate
Conditions | Yield |
---|---|
With p-toluenesulfonic acid monohydrate; 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane; di-isopropyl ether; ethyl acetate |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefpodoxime
Conditions | Yield |
---|---|
Stage #1: (benzothiazol-2-yl)-2-(2-aminothiazol-4-yl)-Z-2-methoxyimino-thioacetate; (6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid With triethylamine In methanol; water at 15 - 20℃; Stage #2: With sulfuric acid In methanol; water |
2-(2-amino-1,3-thiazol-4-yl)-1-(1,3-benzothiazol-2-ylsulfanyl)-2-(methoxyimino)ethan-1-one
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefpodoxime
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 5 - 25℃; pH=8 - 9; Temperature; |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; dichloromethane at 20 - 25℃; for 5h; | 16.2 g |
(6R,7R)-7-amino-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
cefpodoxime
Conditions | Yield |
---|---|
With triethylamine In methanol at -30 - 0℃; for 0.5h; Solvent; |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View