81946-78-3

Basic information

• Product Name: 4-[3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]-azetidin-2-one
• Synonyms: 4-[3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]-azetidin-2-one
• CAS NO: 81946-78-3
• Molecular Weight: 306.275
• Mol File: 81946-78-3.mol
• Article Data: 13

Chemical Properties

• CAS DataBase Reference: 4-[3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]-azetidin-2-one(CAS DataBase Reference)
• NIST Chemistry Reference: 4-[3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]-azetidin-2-one(81946-78-3)
• EPA Substance Registry System: 4-[3-(p-nitrobenzyloxycarbonyl)-2-oxopropyl]-azetidin-2-one(81946-78-3)

Safety Data

• Hazardous Substances Data: 81946-78-3(Hazardous Substances Data)

Upstream product

• 94271-60-0 (4-Oxo-azetidin-2-yl)-acetic acid benzhydryl ester 
• 91921-98-1 [1-(2,4-dimethoxy-benzyl)-4-oxo-2-azetidinyl]-acetic acid 
• 87785-70-4 p-nitrobenzyl 4-(2-azetidinon-4-yl)-2-butenoate 
• 83651-55-2 4-nitrobenzyl 4-oxo-2-azetidin-α-butynoate 
• 105995-50-4 magnesium 4-nitrobenzyl malonate 
• 77960-43-1 2-(4-oxoazetidin-2-yl)acetic acid 
• 81946-77-2 4-nitrobenzyl 1-tert-butyldimethylsilyl-4,β-dioxo-2-azetidinebutyrate 
• 81355-48-8 1-tert-butyldimethylsilyl-4-propargyl-2-azetidinone 
• 91921-97-0 (4RS)-4-diazoacetyl-1-(2,4-dimethoxybenzyl)azetidin-2-one 
• 87785-68-0 p-nitrobenzyl 4-(N-chlorosulfonyl-2-azetidinon-4-yl)-3-butenoate 
• 87785-69-1 p-nitrobenzyl 4-(2-azetidinon-4-yl)-3-butenoate 
• 87785-65-7 p-nitrobenzyl 3,5-hexadienoate 
• 32775-95-4 (E)-3,5-hexadienoic acid 
• 110-44-1 sorbic Acid 

Downstream Products

• 81946-79-4 4-[3-(p-nitrobenzyloxycarbonyl)-3-diazo-2-oxopropyl]-azetidin-2-one 
• 81946-80-7 p-nitrobenzyl (3RS,5RS)-2-oxocarbapenam-3-carboxylate 
• 87785-73-7 potassium 2-benzylthiocarbapen-2-em-3-carboxylate 
• 75440-14-1 p-nitrobenzyl 2-benzylthiocarbapen-2-em-3-carboxylate 
• 101989-36-0 3-(Diphenoxy-phosphoryloxy)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 
• 81946-80-7 p-nitrobenzyl 2-oxocarbapenam-3-carboxylate 

Relevant articles and documents

6- and 6,6-disubstituted-3-substituted-1-azabicyclo(3.2.0)hept-2-en-7-one-2-carboxylic acids

Disclosed are 6- and 6,6-disubstituted-3-substituted-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acids (I): STR1 wherein R1 and R2 are, inter alia, independently selected from the group consisting of hydrogen (both are not hydrog

Process for preparing 3-substituted-6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Disclosed is a process for preparing 3- and 6-substituted-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acids: STR1 wherein: X is a leaving group such as chloro, bromo, tosyl, mesyl or the like; and R6, R7 and R8 are, i

A formal total synthesis of thienamycin from 4-propargyl-2-azetidinone

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