Patent ID: 7977475

Claim:
A process for the preparation of a hydrate of an alkali metal salt of faropenem, wherein the process comprises, a) treating the compound of Formula II, wherein R 1 is C 1 -C 8 alkyl, C 3 -C 8 alkenyl, C 7 -C 19 aralkyl, or C 6 -C 12 aryl, with an alkali metal salt of a substituted or unsubstituted C 5-10 carboxylic acid and a catalytic amount of a palladium complex in the presence of an organic solvent; b) treating the reaction mixture of step a) with water and a water miscible solvent, c) isolating a hydrate of an alkali metal salt of faropenem from the reaction mass thereof, wherein water is not removed from the reaction mixture in step b) or c).