NOVEL SOLVATE FORM OF SUMATRIPTAN SUCCINATE AND PROCESS FOR PREPARING SUMATRIPTAN SALT EMPLOYING THE SAME

摘要

The present invention provides a novel solvate of sumatriptan succinate, wherein the solvate is an ethanol solvate and is characterized by using different solid state techniques such as powder X-ray diffraction, differential scanning calorimetry and thermo gravimetric analysis. In addition, the present invention discloses a process for the preparation of said solvate, and pure and improved quality of sumatriptan succinate employing said solvate.