USE OF 3,4-DIPHENYL CHROMANS FOR THE MANUFACTURE OF A PHARMACEUTICAL COMPOSITION FOR THE TREATMENT OR PROPHYLAXIS OF MENOPAUSAL SYMPTOMS

摘要

The present invention relates to a process for the preparation of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein R 1, R 4 and R 5 are each independently hydrogen, hydroxy, halogen, trifluoromethyl, C 1-6 alkyl, C 1-6 alkoxy or tertiary amino. The preparation of a pharmaceutical composition containing a -C 6 alkoxy group, and R 2 and R 3 are independently hydrogen or a C 1 -C 6 alkyl group. HE