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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 according to the contract research and development services for the fine chemicals, ph

p-Nitrobenzyl 7-phenylacetamino-3-hydroxy-3-cephem-4-carboxylate

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Xiamen Jenny Chemical Technology Co., Ltd.

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,

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

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hunan chemfish Pharmaceutical co.,Ltd

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

p-Nitrobenzyl 7-phenylacetamino-3-hydroxy-3-cephem-4-carboxylate

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Manufacturers

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Hunan Russell Chemicals Technology 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:any port in China

p-Nitrobenzyl 7-phenylacetamino-3-hydroxy-3-cephem-4-carboxylate 53116-50-0

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Trading Company

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Antimex Chemical Limied

hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Wuhan Circle Star Chem-medical Technology co.,Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:White to Off-White Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by Sea

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

home-produced Application:medicine

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Pure Chemistry Scientific Inc.

p-Nitrobenzyl 7-phenylacetamino-3-hydroxy-3-cephem-4-carboxylate Application:824248

p-Nitrobenzyl 7-phenylacetamino-3-hydroxy-3-cephem-4-carboxylate

Cas:53116-50-0

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

inquiry

Synova( Tianjin ) Chemical Technology Co,.Ltd

The company have effective management team, professional technical R & D personnel, the service spirit of customer oriented. We have long-term cooperation with famous domestic manufacturer, and excellent customer resources overseas. We are skilled in

P-NITROBENZYL 7-PHENYLACETAMINO-3-HYDROXY-3-CEPHEM-4-CARBOXYLATE

Cas:53116-50-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

C22H19N3O6S

C22H19N3O6S

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

Conditions
ConditionsYield
Stage #1: C22H19N3O6S With sodium carbonate; p-toluenesulfonyl chloride In dichloromethane at -5℃; for 2h;
Stage #2: With morpholine In dichloromethane for 0.5h; Further stages;
82.7%
(6R)-3-methylene-8-oxo-7t-(2-phenyl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2ξ-carboxylic acid 4-nitro-benzyl ester
53116-49-7

(6R)-3-methylene-8-oxo-7t-(2-phenyl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]octane-2ξ-carboxylic acid 4-nitro-benzyl ester

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

Conditions
ConditionsYield
With ozone In dichloromethane
(6R,7R)-3-Methylene-5,8-dioxo-7-phenylacetylamino-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid 4-nitro-benzyl ester

(6R,7R)-3-Methylene-5,8-dioxo-7-phenylacetylamino-5λ4-thia-1-aza-bicyclo[4.2.0]octane-2-carboxylic acid 4-nitro-benzyl ester

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

Conditions
ConditionsYield
With Lawessons reagent; ozone 1.) CH2Cl2, 2.) CH2Cl2; Yield given. Multistep reaction;
p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

C22H19N3O6S

C22H19N3O6S

Conditions
ConditionsYield
With aluminum (III) chloride; diphenylsilyl chloride In dichloromethane at 15 - 25℃; for 4h;98.1%
p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

(6R,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
36923-17-8

(6R,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: diphenylsilyl chloride; aluminum (III) chloride / dichloromethane / 4 h / 15 - 25 °C
2.1: diisooctyl phenyl phosphite; bromine; 1H-imidazole / dichloromethane / 5 h / -45 - -40 °C
2.2: 0.5 h
3.1: trimethylsilyl bromide / dichloromethane / 5.5 h / 20 - 25 °C
View Scheme
p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate
53116-50-0

p-nitrobenzyl 7-phenylacetamido-3-hydroxy-3-cephalosporin-4-carboxylate

C14H13N3O5S*ClH

C14H13N3O5S*ClH

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: diphenylsilyl chloride; aluminum (III) chloride / dichloromethane / 4 h / 15 - 25 °C
2.1: diisooctyl phenyl phosphite; bromine; 1H-imidazole / dichloromethane / 5 h / -45 - -40 °C
2.2: 0.5 h
View Scheme

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