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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

Cefixime Manufacturer/High quality/Best price/In stock

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c

99% up GMP DMF Cefixime 79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min ----------------------------------------------------------------------------------------------

High purity Various Specifications Cefixime CAS:79350-37-1

Cas:79350-37-1

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Cefixime Cas 79350-37-1 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or light yellow crystalline powder Storage:Refrigerator Package:1kg/foil b

High quality Cefixime Cas 79350-37-1 with favorable price and fast delivery

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $180.0 / 190.0

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

1. Quality Our products meet MSDS safe standard and we have ISO and other certificate so yan can get high quality products from our company. 2. Price We are the company which is the joint of trade and industry so we can provide the competiti

Cefixime CAS 79350-37-1

Cas:79350-37-1

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

Cefixime English name: Cefixime Chemical name: [6R-[6α,7 (Z)]]-7-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefixime

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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 Cefixime

Cas:79350-37-1

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

High Quality 99% Cefixime 79350-37-1 ISO Producer

Cas:79350-37-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Cefixime

Cas:79350-37-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Cefixime

Cas:79350-37-1

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

Active Pharmaceutical Ingredient [cas no.:79350-37-1] Cefixime

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Trading Company

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Hubei DiBo chemical co., LTD

Name:Cefixime CAS NO: 79350-37-1 Grade:Medical scientific research and export Molecular formula:C16H15N5O7S2 Molecular weight: 453.452 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Da

Cefixime/ CAS:79350-37-1/ raw material/ high-quality

Cas:79350-37-1

Min.Order:25 Kilogram

FOB Price: $2.0 / 3.0

Type:Other

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturing

CAS 79350-37-1 Cefixime

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $25.0 / 55.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--79350-37-1--High purity Cefixime 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

TIANFUCHEM--79350-37-1--High purity Cefixime factory price

Cas:79350-37-1

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 79350-37-1 with competitive price

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

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

Hot Sell Factory Supply Raw Material CAS 79350-37-1 Cefixime

Cas:79350-37-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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 R&amp

Cefixime/ LIDE PHARMA- Factory supply / Best price

Cas:79350-37-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

Cefixime CAS79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

CAS Number:79350-37-1 Name:Cefixime Formula:C16H15N5O7S2 Molecular Weight:453.45 Deleted CAS:214265-67-5 Density:1.85 g/cm3 Melting Point:218-225 °C Solubility:55.11 mg/L in water Appearance:white to off white powder or off whi

Cefixime CAS: 79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We 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

CefiximeCAS NO.: 79350-37-1

Cas:79350-37-1

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Advantages: 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 s

Cefixime Manufacturer 79350-37-1 For Cephalosporins

Cas:79350-37-1

Min.Order:10 Gram

Negotiable

Type:Other

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HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

Factory Supply 99% CAS 79350-37-1 Cefixime with Best Price

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.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

Cefixime 79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Hangzhou Huarong Pharm Co., Ltd.

1. DMF is available 2. Iran DMF is available Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and services to our clients in the field of small molecule drug. Huarong Pharm has built p

Cefixime

Cas:79350-37-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: Cefixime Synonyms: YTTERBIUM(III) IONOPHORE I;)(carboxymethoxy)imino)acetylamino)-3-ethenyl-8-oxo-,(6r-(6-alpha,7-beta(z)));cl284635;fk027;fr17027;8-[[2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-4-ethenyl-7-

Cefixime

Cas:79350-37-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Pharmaceutical intermediate Cefixime powder CAS:79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

FOB Price: $90.0 / 110.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Cefixime CAS:79350-37-1 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, s

Cefixime CAS:79350-37-1

Cas:79350-37-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Cefixime

Cas:79350-37-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

Cefixime CAS 79350-37-1

Cas:79350-37-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Synthetic route

7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid
88621-01-6

7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid

cefixime
79350-37-1

cefixime

Conditions
ConditionsYield
Stage #1: 7-{2-[(2-aminothiazol)-4-yl]-2-[(Z)(methoxycarbonyl)methoxyimino]acetamido}-3-vinyl-ceph-3-em-4-carboxylic acid With sodium hydroxide; water at 0 - 5℃; for 0.0833333h;
Stage #2: With hydrogenchloride In water at 34 - 36℃; pH=2.3; Product distribution / selectivity;
With sodium hydrogencarbonate; sodium hydroxide In water at 0 - 15℃; for 0.25h;162 g
2-(2-aminothiazol-4-yl)-2-[(Z)-methoxycarbonylmethoxyimino]acetic acid
80544-17-8

2-(2-aminothiazol-4-yl)-2-[(Z)-methoxycarbonylmethoxyimino]acetic acid

cefixime
79350-37-1

cefixime

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1,4-diaza-bicyclo[2.2.2]octane; tributyl-amine / dichloromethane / -5 - 20 °C / 7125.71 Torr
2: sodium hydroxide; sodium hydrogensulfite / tetrahydrofuran; water / 6 h / 5 - 10 °C
3: sodium hydroxide; sodium hydrogencarbonate / water / 0.25 h / 0 - 15 °C
View Scheme
7-Amino-3-vinyl-3-cephem-4-carboxylic acid

7-Amino-3-vinyl-3-cephem-4-carboxylic acid

2-(2-amino-4-thiazolyl)-2-(carboxymethoxy)iminoacetyl chloride

2-(2-amino-4-thiazolyl)-2-(carboxymethoxy)iminoacetyl chloride

cefixime
79350-37-1

cefixime

Conditions
ConditionsYield
at 10℃; for 5h; Temperature;4.7 g
salicylaldehyde
90-02-8

salicylaldehyde

cefixime
79350-37-1

cefixime

8-(2-carboxymethoxyimino-2-{2-[(2-hydroxybenzylidene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid
1312673-65-6

8-(2-carboxymethoxyimino-2-{2-[(2-hydroxybenzylidene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: salicylaldehyde; cefixime With potassium hydroxide In methanol for 0.5h; pH=7 - 8; Reflux;
Stage #2: With acetic acid In methanol pH=7;
85%
furfural
98-01-1

furfural

cefixime
79350-37-1

cefixime

8-(2-carboxymethoxyimino-2-{2-[(furan-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid
1312673-67-8

8-(2-carboxymethoxyimino-2-{2-[(furan-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: furfural; cefixime With potassium hydroxide In methanol for 0.5h; pH=7 - 8; Reflux;
Stage #2: With acetic acid In methanol pH=7;
80%
2-pyrrole aldehyde
1003-29-8

2-pyrrole aldehyde

cefixime
79350-37-1

cefixime

8-(2-carboxymethoxyimino-2-{2-[(1H-pyrrol-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid
1312673-69-0

8-(2-carboxymethoxyimino-2-{2-[(1H-pyrrol-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: 2-pyrrole aldehyde; cefixime With potassium hydroxide In methanol for 0.5h; pH=7 - 8; Reflux;
Stage #2: With acetic acid In methanol pH=7;
78%
thiophene-2-carbaldehyde
98-03-3

thiophene-2-carbaldehyde

cefixime
79350-37-1

cefixime

8-(2-carboxymethoxyimino-2-{2-[(thiophen-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid
1312673-68-9

8-(2-carboxymethoxyimino-2-{2-[(thiophen-2-ylmethylene)amino]thiazol-4-yl}acetylamino)-7-oxo-4-vinyl-2-thia-6-azabicyclo[4.2.0]oct-4-ene-5-carboxylic acid

Conditions
ConditionsYield
Stage #1: thiophene-2-carbaldehyde; cefixime With potassium hydroxide In methanol for 0.5h; pH=7 - 8; Reflux;
Stage #2: With acetic acid In methanol pH=7;
78%
cefixime
79350-37-1

cefixime

benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

7-[2-(2-benzenesulfonylamino-thiazol-4-yl)-2-carboxymethoxyimino-acetylamino]-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

7-[2-(2-benzenesulfonylamino-thiazol-4-yl)-2-carboxymethoxyimino-acetylamino]-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Conditions
ConditionsYield
With sodium carbonate In water at 20℃; pH=6 - 8;75.8%
cefixime
79350-37-1

cefixime

p-acetylaminobenzenesulfonyl chloride
121-60-8

p-acetylaminobenzenesulfonyl chloride

7-{2-[2-(4-acetylaminobenzenesulfonylamino)-thiazol-4-yl]-2-carboxymethoxyimino-acetylamino}-8-oxo-3-vinyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid

7-{2-[2-(4-acetylaminobenzenesulfonylamino)-thiazol-4-yl]-2-carboxymethoxyimino-acetylamino}-8-oxo-3-vinyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Conditions
ConditionsYield
With sodium carbonate In water at 20℃; pH=6 - 8;69.8%
cefixime
79350-37-1

cefixime

(R,R)-α-<(Z)-2-(2-amino-4-thiazolyl)-2-(carboxymethoxyimino)acetamido>-4-carboxy-5,6-dihydro-5-ethylidene-2H-1,3-thiazine-2-acetic acid

(R,R)-α-<(Z)-2-(2-amino-4-thiazolyl)-2-(carboxymethoxyimino)acetamido>-4-carboxy-5,6-dihydro-5-ethylidene-2H-1,3-thiazine-2-acetic acid

Conditions
ConditionsYield
With sodium hydroxide In water for 4h; Ambient temperature; pH 12;15%
In water at 25℃; Rate constant; Mechanism; pH 9;
cefixime
79350-37-1

cefixime

(6R,7S)-7-<(Z)-2-(2-amino-4-thiazolyl)-2-(carboxymethoxyimino)acetamido>-8-oxo-3vinyl-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid

(6R,7S)-7-<(Z)-2-(2-amino-4-thiazolyl)-2-(carboxymethoxyimino)acetamido>-8-oxo-3vinyl-5-thia-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 50℃; for 0.25h; pH 11.5;4%
In water at 25℃; Rate constant; Mechanism; pH 9;
cefixime
79350-37-1

cefixime

(Z)-<(2-amino-4-thiazolyl)<(2,2-dihydroxyethyl)carbamoyl>methyleneaminooxy>acetic acid

(Z)-<(2-amino-4-thiazolyl)<(2,2-dihydroxyethyl)carbamoyl>methyleneaminooxy>acetic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 37℃; for 168h;3.1%
cefixime
79350-37-1

cefixime

(Z)-<(2-amino-4-thiazolyl)<<(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo<3,4-d><1,3>thiazin-2-yl>carbamoyl>-methyleneaminooxy>acetic acid

(Z)-<(2-amino-4-thiazolyl)<<(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo<3,4-d><1,3>thiazin-2-yl>carbamoyl>-methyleneaminooxy>acetic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide 1.) water, 50 deg C, 30 min, 2.) room temperature, 15 min; Yield given. Multistep reaction;
cefixime
79350-37-1

cefixime

(Z)-<(2-amino-4-thiazolyl)<<(3RS,5aR,6R)-3-methyl-1,7-dioxo-1,3,6,7-tetrahydro-4H,5aH-azeto<2,1-b>furo<3,4-d><1,3>thiazin-6-yl>carbamoyl>methyleneaminooxy>acetic acid

(Z)-<(2-amino-4-thiazolyl)<<(3RS,5aR,6R)-3-methyl-1,7-dioxo-1,3,6,7-tetrahydro-4H,5aH-azeto<2,1-b>furo<3,4-d><1,3>thiazin-6-yl>carbamoyl>methyleneaminooxy>acetic acid

Conditions
ConditionsYield
In water at 25℃; Rate constant; Mechanism; pH 1;
With hydrogenchloride; sodium hydroxide In water at 50℃; for 48h; Yield given;
cefixime
79350-37-1

cefixime

(Z)-<(2-amino-4-thiazolyl)<<(R)-carboxy<(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo<3,4-d><1,3>thiazin-2-yl>methyl>carbamoyl>methyleneaminooxy>acetic acid

(Z)-<(2-amino-4-thiazolyl)<<(R)-carboxy<(2R,5RS)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo<3,4-d><1,3>thiazin-2-yl>methyl>carbamoyl>methyleneaminooxy>acetic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide 1.) water, 50 deg C, 40 min, 2.) room temperature, 30 min; Yield given. Multistep reaction;
copper(II) choride dihydrate

copper(II) choride dihydrate

cefixime
79350-37-1

cefixime

C16H15N5O7S2*Cu(2+)

C16H15N5O7S2*Cu(2+)

Conditions
ConditionsYield
In methanol; water
1-iodoethyl isopropyl carbonate
84089-73-6, 91508-00-8

1-iodoethyl isopropyl carbonate

cefixime
79350-37-1

cefixime

cefixime proxetil

cefixime proxetil

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl acetamide at -5 - 0℃; for 3h;
1-bromoethyl acetate
40258-78-4

1-bromoethyl acetate

cefixime
79350-37-1

cefixime

cefixime axetil

cefixime axetil

Conditions
ConditionsYield
With sodium carbonate In N,N-dimethyl acetamide at -5 - 0℃; for 3h;
formaldehyd
50-00-0

formaldehyd

cefixime
79350-37-1

cefixime

acetylacetone
123-54-6

acetylacetone

C27H27N5O9S2

C27H27N5O9S2

Conditions
ConditionsYield
In methanol; water at 100℃; for 0.75h; Heating;
cefixime
79350-37-1

cefixime

(6R,7R)-methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-((2,2-methoxy-2-oxyethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabis[4.2.0]oct-3-ene-2-carboxylate

(6R,7R)-methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-((2,2-methoxy-2-oxyethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabis[4.2.0]oct-3-ene-2-carboxylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine; thionyl chloride / 4 h / 65 °C / Cooling with ice
2: triethylamine / dichloromethane / 3 h / 40 °C / Cooling with ice
View Scheme
cefixime
79350-37-1

cefixime

(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thio-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thio-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: triethylamine; thionyl chloride / 4 h / 65 °C / Cooling with ice
2: triethylamine / dichloromethane / 3 h / 40 °C / Cooling with ice
3: lithium hydroxide / acetonitrile; water / 2.25 h / -10 °C
View Scheme
methanol
67-56-1

methanol

cefixime
79350-37-1

cefixime

(6R,7R)-methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-((2,2-methoxy-2-oxyethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

(6R,7R)-methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-((2,2-methoxy-2-oxyethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Conditions
ConditionsYield
With thionyl chloride; triethylamine at 65℃; for 4h; Cooling with ice;8.27 g
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