发明授权
US4101545A Diamino-androstanes and a process for the preparation of the said compounds 失效
二氨基 - 雄甾烷二醇及其制备方法

Diamino-androstanes and a process for the preparation of the said
compounds
摘要:
Curare-type salts of the formula ##STR1## WHEREIN Ac is an alkyl carbonyl group containing 1 to 4 carbon atoms in the alkyl moiety and one ofR.sub.1 and R.sub.2, is a methylene group and the other is a group of the formula >N-R.sub.2 wherein R.sub.2 is an alkyl group containing 1 to 3 carbon atoms,A is halogen andR.sub.3 is an alkyl group containing 1 to 4 carbon atoms, or an alkyl group; andA process for the preparation thereof are disclosed.
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