Process for the preparation of penems

Details Process for the preparation of penems Process for the preparation of penems

C - Chemistry, Metallurgy

07

D

260/111, 260/335

C07D 499/897 (2006.01) C07D 205/09 (2006.01) C07D 499/88 (2006.01) C07F 7/10 (2006.01)

Patent

CA 1339845

An efficient, multistep process for the synthesis of certain 6-(1-hydroxyethyl) 2-substituted penem antibiotics from 2-[4R-(triphenylmethylthio)-3S-(1R- (dimethyl-t-butylsilyloxy)ethyl)-2-azetidon-1-yl]acetic acid esters.

612260

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