(17alfa) - 17 Hydroxy methylene - 11 - 19 - norpregna - 4:15 - diene - 20 - in - 3-one (org 30659) and its use as a Contraceptive and hormone replacement therapy

摘要

(17a) - 17 Hydroxy methylene - 11 - 19 norpregna - 4:15 - diene - 20 - in - 3-one (org 30659) Crystal, wherein a Delta H is Enthalpy of at least 70 MJ / mg, measured by DSC Technique.A Solid Pharmaceutical composition,Characterized in that it comprises a pharmaceutically acceptable vehicle and at least a pharmaceutically Active Ingredient; The pharmaceutically Active Ingredient Compound org 30659 cuaL is present in the composition in a Crystalline form only.A procedure for the preparation of Crystalline 30659 org org 30659 comprises the steps of Synthesizing and crystallize it from a SolventWherein the Solvent is a mixture of ethyl acetate and N - heptane.