(R)-1-(2-furoyloxy)-3-methylbutyl-penicillin

Abstract

Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C 2 -C 5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or cyclopentyl group A process for their preparation and novel intermediates therefor are disclosed. These compounds are useful antibiotics.

We claim: 
     
       1. A compound of the formula ##EQU2## wherein A is selected from the group consisting of furyl, tetrahydrofuryl and thienyl, and T is selected from the group consisting of .Iadd.C 2  -C 5  alkyl, .Iaddend.C 2  -C 5  alkenyl, cyclopropyl-methyl, cyclobutylmethyl and cyclopentyl and pharmaceutically acceptable salts and hydrated forms thereof. 
     
     
       2. A compound selected from the group consisting of (R)-1-(2-furoyloxy)-3-methylbutyl-penicillin and pharmaceutically acceptable salts and hydrated forms thereof.