Process for preparing esters of penicillanic acid sulfone

Details Process for preparing esters of penicillanic acid sulfone Process for preparing esters of penicillanic acid sulfone

C - Chemistry, Metallurgy

07

D

260/118.5

C07D 499/00 (2006.01)

Patent

CA 1177068

D.P.C. (Ph) 6357 PROCESS FOR PREPARING ESTERS OF PENICILLANIC ACID SULFONE Abstract A process for preparing halomethyl esters of penicillanic acid sulfone, intermediates to beta- lactamase inhibitors, from the corresponding substi- tuted thiomethyl and sulfinylmethyl esters and a halogenating agent. The thiomethyl and sulfinylmethyl esters of penicillanic acid sulfone are useful inter- mediates.

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