Process for the preparation of 2-beta, 16-beta-diamino 3-alpha, 17-beta-diacloxy 5-alpha-androstanes, neuromuscular blocking agents with a steroidal structure

摘要

The present invention provides new process of preparing neuromuscular blocking agents. The process include preparing neuromuscular blocking agents using the compounds of formula I: wherein R1 is=O and X is halo; and formula II: wherein R, and X are as defined above.