85339-59-9

Upstream product

• 50893-38-4 monobenzyl 3-thienylmalonic acid chloride 
• 112711-40-7 benzyl (2S,5R,6R)-6-amino-(E)-7-methoxycarbonylmethylene-3,3-dimethyl-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylate 
• 3956-31-8 benzyl (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 
• 21080-93-3 3-thienylmalonic acid monobenzyl ester 

Downstream Products

• 85339-60-2 benzyl 6β-penicillanate 

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