623565-18-4

Basic information

• Product Name: 2-{(RS)-Acetoxy-[(5R,6RS)-6-bromo-2-(4-nitrobenzyloxycarbonyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-en-6-yl]-methyl}-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester
• Synonyms: 2-{(RS)-Acetoxy-[(5R,6RS)-6-bromo-2-(4-nitrobenzyloxycarbonyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-en-6-yl]-methyl}-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester
• CAS NO: 623565-18-4
• Molecular Weight: 757.532
• Mol File: 623565-18-4.mol

Chemical Properties

• CAS DataBase Reference: 2-{(RS)-Acetoxy-[(5R,6RS)-6-bromo-2-(4-nitrobenzyloxycarbonyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-en-6-yl]-methyl}-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: 2-{(RS)-Acetoxy-[(5R,6RS)-6-bromo-2-(4-nitrobenzyloxycarbonyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-en-6-yl]-methyl}-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester(623565-18-4)
• EPA Substance Registry System: 2-{(RS)-Acetoxy-[(5R,6RS)-6-bromo-2-(4-nitrobenzyloxycarbonyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-en-6-yl]-methyl}-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester(623565-18-4)

Safety Data

• Hazardous Substances Data: 623565-18-4(Hazardous Substances Data)

Upstream product

• 623565-17-3 2-formyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid 4-nitrobenzyl ester 
• 108-24-7 acetic anhydride 
• 623564-16-9 (5R,6S)-6-bromo-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitrobenzyl ester 

Relevant articles and documents

Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors

This invention relates to certain bicyclic 6-alkylidene penems which act as a inhibitor of class-D enzymes. β-Lactamases hydrolyze β-lactam antibiotics, and as such serve as the primary cause of bacterial resistance. The compounds of the present invention when combined with β-lactam antibiotics will provide an effective treatment against life threatening bacterial infections. In accordance with the present invention there are provided compounds of general formula I or a pharmaceutically acceptable salt or in vivo hydrolyzable ester R5 thereof: wherein: One of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X═O or S.

BICYCLIC 6-ALKYLIDENE-PENEMS AS ?-LACTAMASES INHIBITORS

The present invention provides a compound of Formula (I), pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.