Alicyclic compounds and their contraceptive use

摘要

PCT No. PCT/GB88/00408 Sec. 371 Date Dec. 4, 1989 Sec. 102(e) Date Dec. 4, 1989 PCT Filed May 24, 1988 PCT Pub. No. WO88/09786 PCT Pub. Date Dec. 15, 1988.Compounds of the general formula <IMAGE> wherein n is from 1 to 6 and each of R1 and R2 represents an alkyl group of 1 to 4 carbon atoms and their acid addition salts are useful for thickening mucus, especially gastro-intestinal mucus as an anti-ulceration treatment or cervical mucus in contraception.