The invention relates to novel bisquaternary ammonium derivatives of 2.beta.,16.beta.-dipiperidino-5.alpha.-androstanes having the formula: ##STR1## wherein ##STR2## R.sub.2 =CH.sub.3, C.sub.2 H.sub.5 or CH.sub.2 CH.dbd.CH.sub.2 ; R.sub.3 =CH.sub.3, C.sub.2 H.sub.5 or CH.sub.2 CH.dbd.CH.sub.2, with the proviso that R.sub.2 and R.sub.3 are not CH.sub.3 simultaneously; R.sub.4 =O or H(.beta.OR.sub.5), wherein R.sub.5 =H or aliphatic carbacyl (1-6 C); and X=a halogen atom, to processes for their preparation and to pharmaceutical preparations. The invention also relates to novel 16-monoquaternary analogs as intermediates. The compounds possess neuromuscular blocking activity.
本发明涉及一种新型的2.beta.,16.beta.-二
哌啶基-5.alpha.-雄烷酮的双季
铵衍
生物,其
化学式为:##STR1## 其中 ##STR2## R.sub.2 =CH.sub.3,C.sub.2 H.sub.5或CH.sub.2 CH.dbd.CH.sub.2;R.sub.3 =CH.sub.3,C.sub.2 H.sub.5或CH.sub.2 CH.dbd.CH.sub.2,但R.sub.2和R.sub.3不能同时为CH.sub.3;R.sub.4 =O或H(.beta.OR.sub.5),其中R.sub.5=H或脂肪族羰基(1-6 C);X=卤素原子,以及它们的制备方法和药物制剂。本发明还涉及新型的16-单季
铵类似物作为中间体。这些化合物具有神经肌肉阻滞活性。