124831-38-5

Basic information

• Product Name: cis-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester
• Synonyms: cis-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester
• CAS NO: 124831-38-5
• Molecular Weight: 469.451
• Mol File: 124831-38-5.mol
• Article Data: 3

Chemical Properties

• CAS DataBase Reference: cis-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: cis-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester(124831-38-5)
• EPA Substance Registry System: cis-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester(124831-38-5)

Safety Data

• Hazardous Substances Data: 124831-38-5(Hazardous Substances Data)

Upstream product

• 126491-96-1 N-[(2R,3S)-2-[2-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidin-3-yl]-2-phenoxy-acetamide 
• 126491-94-9 N-[(2R,3S)-2-[(E)-2-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-vinyl]-1-(4-methoxy-phenyl)-4-oxo-azetidin-3-yl]-2-phenoxy-acetamide 
• 113995-11-2 N-[(3S,4R)-1-(4-Methoxy-phenyl)-2-oxo-4-((E)-styryl)-azetidin-3-yl]-2-phenoxy-acetamide 
• 126491-91-6 N-[(2S,3S)-2-Formyl-1-(4-methoxy-phenyl)-4-oxo-azetidin-3-yl]-2-phenoxy-acetamide 
• 619-73-8 4-nitrobenzyl chloride 
• 126491-98-3 N-{(2R,3S)-2-[2-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-ethyl]-4-oxo-azetidin-3-yl}-2-phenoxy-acetamide 
• 99333-65-0 1-benzyl-3β-((S)-2-oxo-4-phenyloxazolidin-3-yl)-4β-[2-(2-furyl)ethyl]azetidin-2-one 
• 124831-36-3 N-[(2R,3S)-2-(2-Furan-2-yl-ethyl)-4-oxo-azetidin-3-yl]-2-phenoxy-acetamide 
• 105995-50-4 magnesium 4-nitrobenzyl malonate 
• 124831-37-4 cis-4-oxo-3-[(phenoxyacetyl)amino]-2-azetidinepropanoic acid 

Downstream Products

• 119892-48-7 cis-α-diazo-β,4-dioxo-3-[(phenoxyacetyl)amino]-2-azetidinepentanoic acid, (4-nitrophenyl)methyl ester 
• 124831-39-6 (6R,7S)-3-Chloro-7-[(R)-2-((E)-2-methoxycarbonyl-1-methyl-vinylamino)-2-phenyl-acetylamino]-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 76470-66-1 loracarbef 
• 123932-46-7 carbacephalosporin hydrochloride 
• 119892-46-5 p-nitrobenzyl 7β-[(phenoxyacetyl)amino]-3-hydroxy-1-carba-1-dethia-3-cephem-4-carboxylate 

Relevant articles and documents

A mild four-carbon homologation of 4-formyl-azetidinones

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Process and intermediates for beta-lactam antibiotics

The present invention provides a process for preparing β-keto ester intermediates to 1-carba(1-dethia)--3-cephem-4-carboxylic acids, and intermediates thereof.