Methods for preparation of new penicillin esters

A - Human Necessities – 61 – K

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A61K 31/43 (2006.01) C07D 295/088 (2006.01) C07D 499/00 (2006.01)

Patent

CA 1112569

ABSTRACT OF THE DISCLOSURE The invention provides a composition having synergistic physiological activity which comprises a compound of the formula Image in which R3 represents radicals from known penicillins, and a compound of the formula Image in which each of R1 and R2 is an alkyl group or R1 and R2 together with the nitrogen atom represent a heterocyclic ring with from 5 to 7 carbon atoms in the ring. The mixtures are useful for the combatting of a broad-spectrum infection.

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