Penicillin derivatives and process for preparation of the same

Details Penicillin derivatives and process for preparation of the same Penicillin derivatives and process for preparation of the same

C - Chemistry, Metallurgy

07

D

260/111

C07D 499/00 (2006.01) C07F 7/10 (2006.01)

Patent

CA 1201433

PENICILLIN DERIVATIVES AND PROCESS FOR PREPARATION OF THE SAME ABSTRACT: This invention provides a penicillin derivative of the formula and a salt thereof Image (I) wherein X represents chlorine atom or bromine atom and R represents hydrogen atom or penicillin carboxy- protecting radical, and a process for preparing the derivative of the formula (I) and a salt thereof by reacting a compound of the formula Image wherein R is as defined above with a chlorinating reagent or brominating reagent and, when required, forming a salt thereof.

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