Synthesis of Azo-steroid by Beckman-and-Schmidt Rearrangement Using Perphosphoric Acid

과인산존재하의 Beckmann과 Schmidt 전립에 의한 Aza-Steoid 합성

Synthesis of azosteroid 3-aza-A-homo-cholestane-4-one, 3-aza-A-homo-coprostane-4-one and 3-aza-A-homo-cholestane-4-one from corresponding oxim and keto-steroid by means of Beckmann's and Schimdt's rearrangement by perphosphoric acid have been evaluated.