A PROCESS FOR THE PREPARATION OF WARFARIN SODIUM

摘要

Provided are novel solvates of Warfarin sodium namely Acetone- ethyl acetate solvate, ethyl acetate solvate, Ethanol-Heptane solvate, Acetone-Heptane solvate and methods for their preparation. Also provided are methods for making Warfarin sodium from Warfarin via the novel solvates.