NOVEL VITAMIN D ANALOGUES, THEIR PRODUCTION, USE THEREOF AND MEDICAMENTS CONTAINING THE SAME

摘要

Vitamin D analogues of formula (I) are new. X = H or OH; R1, R2 = H or 1-3C alkyl; or CR1R2 = 3-6C carbocyclic ring; R3 = 1-3C alkyl, aryl, aralkyl or YR4; Y = C(O)S, C(S)O or C(S)S; R4 = 1-3C alkyl, aryl or aralkyl; Q = (CH2)n; R1, R2 and Q are all optionally substituted by one or more fluoro; and n = 1 to 4.