85508-71-0

Basic information

• Product Name: (+/-)-<1α,4α,5α>-methyl-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylate
• Synonyms: (+/-)-<1α,4α,5α>-methyl-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylate
• CAS NO: 85508-71-0
• Molecular Weight: 349.34
• Mol File: 85508-71-0.mol

Chemical Properties

• CAS DataBase Reference: (+/-)-<1α,4α,5α>-methyl-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylate(CAS DataBase Reference)
• NIST Chemistry Reference: (+/-)-<1α,4α,5α>-methyl-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylate(85508-71-0)
• EPA Substance Registry System: (+/-)-<1α,4α,5α>-methyl-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylate(85508-71-0)

Safety Data

• Hazardous Substances Data: 85508-71-0(Hazardous Substances Data)

Upstream product

• 81902-52-5 (+/-)-<3S-<3α(S^*),4α>>-1-(2,4-dimethoxybenzyl)-3-(1-acetoxyethyl)-4-ethoxycarbonyl-2-azetidinone-4-carboxylic acid 
• 80829-71-6 (R)-3-((S)-1-Acetoxy-ethyl)-1-(2,4-dimethoxy-benzyl)-4-oxo-azetidine-2,2-dicarboxylic acid diethyl ester 
• 85486-81-3 (+/-)-(R^*,S^*)-1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-2-azetidinone-4,4-bis(carboxylic acid) 
• 186581-53-3 diazomethane 
• 85486-82-4 (+/-)-<1α,4α,5α>-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane-1-carboxylic acid 

Downstream Products

• 85486-84-6 (+/-)-<1α,2α,4α,5α>-7-(2,4-dimethoxybenzyl)-2-hydroxy-4-methyl-3-oxa-6-oxo-7-azabicyclo<3.2.0>heptane 
• 81902-53-6 (+/-)-<1α,4α,5α>-7-(2,4-dimethoxybenzyl)-2,6-dioxo-4-methyl-3-oxa-7-azabicyclo<3.2.0>heptane 
• 87325-88-0 (+/-)-<3α(S^*),4β>-1-(2,4-dimethoxybenzyl)-3-(1-acetoxyethyl)-4-methoxycarbonyl-4-acetoxymethyl-2-azetidinone 
• 87325-89-1 (1S,2R,5R)-4-Acetoxy-6-(2,4-dimethoxy-benzyl)-2-methyl-7-oxo-3-oxa-6-aza-bicyclo[3.2.0]heptane-5-carboxylic acid methyl ester 
• 87325-87-9 (+/-)-<3α(S^*),4β>-1-(2,4-dimethoxybenzyl)-3-(1-hydroxyethyl)-4-methoxycarbonyl-4-hydroxymethyl-2-azetidinone 
• 85486-83-5 (1S,2R,5R)-6-(2,4-Dimethoxy-benzyl)-4-hydroxy-2-methyl-7-oxo-3-oxa-6-aza-bicyclo[3.2.0]heptane-5-carboxylic acid methyl ester 

Relevant articles and documents

STEREOSPECIFIC SYNTHESIS OF RACEMIC INTERMEDIATES OF THE PENEMS AND THE CARBAPENEMS FROM TRANS-CROTONIC ACID

Stereocontrolled syntheses of two (+)-3-(1-t-butyldimethylsilyloxyethyl)-4-acetoxy-2-azetidinones (cis-10 and trans-10), which are key intermediates for the penems and the carbapenems, from trans-crotonic acid are reported.