D-homosteroids and process for the preparation thereof

Details D-homosteroids and process for the preparation thereof D-homosteroids and process for the preparation thereof

C - Chemistry, Metallurgy

07

J

260/4

C07J 63/00 (2006.01)

Patent

CA 1049496

Abstract D-Homosteroids of the formula Image wherein R6 represents a hydrogen, fluorine or chlorine atom or a methyl group; R9 represents a hydrogen, fluorine, chlorine or bromine atom; R11 represents an oxo or (.alpha.-H,.beta.-OH) group when R9 represents a hydrogen atom or an oxo, (.alpha.-H,.beta.-OH), (.alpha.-H,.beta.-fluoro) or (.alpha.-H,.beta.- chloro) group when R9 represents a fluorine, chlorine or bromine atom with the proviso that, in the case of 9,11-dihalo compounds, the atomic number of the halo- gen atom in the 11-position is not less than the a-tomic number of the halogen atom in the 9-position; R17a represents a hydroxy or acyloxy group and R20 repre- sents a hydrogen atom or a lower alkyl, halo-(lower alkyl), hydroxy-(lower alkyl), acyloxy-(lower alkyl), hydroxy-(lower alkoxycarbonyl)-.(lower alkyl) group and wherein the broken line in the 1,2-position denotes an optional carbon-carbon bond, which are useful for the manufacture of pharmaceutical prepara- tions with endocrinal activity and methods for the preparation thereof.

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