86823-92-9

Basic information

• Product Name: (1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene
• Synonyms: (1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene
• CAS NO: 86823-92-9
• Molecular Weight: 188.186
• Mol File: 86823-92-9.mol
• Article Data: 4

Chemical Properties

• CAS DataBase Reference: (1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene(CAS DataBase Reference)
• NIST Chemistry Reference: (1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene(86823-92-9)
• EPA Substance Registry System: (1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene(86823-92-9)

Safety Data

• Hazardous Substances Data: 86823-92-9(Hazardous Substances Data)

Upstream product

• 67977-61-1 epi-Secopenicillin 
• 86823-93-0 diphenylmethyl 2-[(1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl]-2-oxo acetate 
• 68057-04-5 (1R,5S)-3-phenyl-6-(1-diphenylmethoxycarbonyl-2-methylprop-1-enyl)-7-oxo-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene 

Downstream Products

• 90712-36-0 3-[(2R,3R)-3-Benzoylamino-1-(tert-butyl-dimethyl-silanyl)-4-oxo-azetidin-2-yloxymethyl]-2-[(Z)-hydroxyimino]-but-3-enoic acid benzhydryl ester 
• 94398-86-4 (1R,7R)-2-Benzoyl-4-methyl-9-oxo-6-oxa-2,8-diaza-bicyclo[5.2.0]non-3-ene-3-carboxylic acid benzhydryl ester 
• 95967-26-3 methyl E,Z-4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-3-phenylthio-2-butenoate 
• 95967-29-6 tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-diazo-3-oxo-butanoate 
• 95967-31-0 tert.-butyl (6R,7R)-7-benzoylamino-3-methoxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 
• 95967-30-9 tert.-butyl (6R,7R)-7-benzoylamino-3-hydroxy-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 
• 95991-81-4 tert.-butyl (6R,7R)-7-benzoylamino-3-chloro-8-oxo-5-oxa-1-azabicyclo<4.2.0>oct-2-ene-2-carboxylate 
• 95967-27-4 methyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-acetoacetate 
• 90712-07-5 (1R,5S)-6-(tert-Butyl-dimethyl-silanyl)-3-phenyl-4-oxa-2,6-diaza-bicyclo[3.2.0]hept-2-en-7-one 
• 95967-24-1 4-nitrobenzyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-butynoate 
• 95967-28-5 tert.-butyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-acetoacetate 
• 95967-23-0 methyl 4-<3(R)-benzoylamino-2-azetidinon-4(R)-yloxy>-2-butynoate 
• 95967-21-8 3(R)-benzoylamino-4-(R)-<3-methyl-2-butenyloxy>-2-azetidinone 
• 95967-22-9 2(R)-benzoylamino-3,3-bis<3-methyl-2-butenyloxy>propionic amide 

Relevant articles and documents

6-Unsubstituted-7-oxo-4-oxa-diazabicyclo(3.2.0)hept-2-ene derivatives

A compound of the formula STR1 in which R is hydrogen, or optionally substituted alkyl, alkenyl, alkinyl, aralkyl, aryl, heteroaryl, heteroaralkyl, aryloxyalkyl, heteroaryloxyalkyl, alkoxyalkyl, arylthioalkyl, heteroarylthioalkyl, alkylthioalkyl, alkoxy,

AN ALTERNATIVE SYNTHESIS OF THE 1-OXACEPHEM SKELETON

1-Oxacephem skeletons were constructed in a convergent manner starting from building blocks B and C, which were easily prepared from penicillin and diketene, respectively, followed by intramolecular carbene insertion reaction of the resulting intermediate