PROCESS FOR PRODUCTION OF MEVALONLACTON-ANALOGS AND THEIR DERIVATIVES AND MEDICAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of formula I wherein the two groups Ro together form a radical of formula wherein R2 is hydrogen, C1-4alkyl, C1-4alkoxy (except t-butoxy), trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R3 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fiuoro, chloro, phenoxy or benzyloxy, with the provisos that not more than one of R2 and R3 is trifluoromethyl, not more than one of R2 and R3 is phenoxy, and not more that one of R2 and R3 is benzyloxy, R1 is hydrogen, C1-6alkyl, fluoro, chloro or benzyloxy, R4 is hydrogen, C1-4alkyl, C1-4alkoxy, (except t-butoxy), trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5ais hydrogen, C1-2alkyl, C1-2alkoxy, fluoro or chloro, and with the provisos that not more than one of R4 and R5 is trifluoromethyl, not more than one of R4 and R5 is phenoxy and not more than one of R4 and R5 is benzyloxy, X is -(CH2)n-, wherein n is 0, 1, 2 or 3 and both q's are 0 or one is 0 and the other is 1 wherein R6 is hydrogen or C1-3alkyl, with the general proviso that -X-Z and the R4 bearing phenyl are ortho to each other; in free acid form or in the form of a physiologically-hydrolysable and -acceptable ester or a delta lactone thereof or in salt form. The compounds possess pharmacological properties and are indicated for use as pharmaceuticals e.g. in inhibiting cholesterol biosynthesis or treating atherosclerosis.