Patent ID: 6753326
Filing Date: 2004-06-22
Classification: A61P,C07J

Abstract:
An equilenin derivative of formula I: whereinR1 denotes a hydrogen atom, a C1-C5-alkyl group, a C1-C5-acyl group or a benzoyl group, R2 denotes a hydrogen atom and Râ€²2 denotes a fluorine atom, a hydroxyl group or a C1-C5-acyloxy group or R2 and Râ€²2 together denote an oxo group, R3 denotes a hydrogen atom or a methyl group, R4 denotes a hydrogen atom and Râ€²4 denotes a hydroxyl group or a C1-C11-acyloxy group or R4 and Râ€²4 together denote an oxo group, a methylene group, a halomethylene group or a dihalomethylene group and R5 denotes a hydrogen atom or a methyl group.