Neue 17alpha-Halogenvinyl-Estran-Derivate, ihre Herstellung und Verwendung in der Medizin
申请人:SCHERING AKTIENGESELLSCHAFT
公开号:EP0169515B1
公开(公告)日:1989-10-11
US4725426A
申请人:——
公开号:US4725426A
公开(公告)日:1988-02-16
Estrogenic 17.alpha.-halogen-vinylestranes
申请人:Schering Aktiengesellschaft
公开号:US04725426A1
公开(公告)日:1988-02-16
17.alpha.-bromo-.alpha. and 17.alpha.-iodo-vinyl-estrane derivatives of general formula I ##STR1## wherein X is a bromine or iodine atom in Z or E position, R.sup.1 is hydrogen, hydroxy or acyloxy with up to 3 C atoms, R.sup.2 is hydrogen, alkyl with up to 3 C atoms and alkanoyl and aroyl with up to 7 C atoms, R.sup.3 is hydrogen or methyl, R.sup.4 is a hydrogen atom in the .alpha. or .beta. position, R.sup.5 is hydrogen, methyl or methoxy and R.sup.6 is hydrogen or methyl, are pharmacologically effective with a profile of action like ethinylestradiol and in the form of their radioactively labeled compounds are also valuable diagnostic media. The Z-isomers can be prepared by a new process by reaction of the corresponding 17.alpha.-ethinyl steroids with trialkyl (or phenyl) tin hydride with addition of a free radical former.