85339-63-5

Upstream product

• 544-92-3 copper(I) cyanide 
• 112672-67-0 (2R,5R)-3-[2-Chloro-eth-(Z)-ylidene]-7-[1-methoxycarbonyl-meth-(Z)-ylidene]-4-oxa-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzyl ester 
• 57943-84-7 Benzyl Clavulanate 
• 80282-00-4 benzyl (2R,5R)-(Z)-3-(β-hydroxyethylidene)-(Z)-7-methoxycarbonylmethylene-4-oxa-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 85404-54-2 sodium (2R,5R)-(Z)-3-(β-hydroxyethylidene)-7-methoxycarbonyl-(Z)-methylene-4-oxa-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 100-39-0 benzyl bromide 

Relevant academic research and scientific papers

Wittig Reactions with β-Lactam Carbonyl Functions. The Effect of C-7 Substitution on the Chemistry of Penicillins and Clavulanic Acid Derivatives.

The Wittig reaction of phosphoranes and phosphonates with the carbonyl function of mono- and bicyclic β-lactams has been studied and the inluence of phosphorane and β-lactam reactivities on the outcome of the reaction noted.The utility and general chemist

1-Aza-[3.2.0]-bicycloheptane-2-carboxylic acid, ester or salt thereof

A 1-aza[3.2.0]bicycloheptan-2-carboxylic acid or salt or ester thereof having a substituent at position 7 of the formula: wherein R1 and R2 are independently hydrogen, halogen or an organic group.