has been shown to be 3β-acetoxy-6-aza-B-homo-5α-cholestan-7-one from spectral studies. The corresponding 3-keto-azasteroid was brominated with pyridinium hydrobromide perbromide when the 4-bromo derivative was obtained which reacted with N-phenylthiourea to give a thiazole. When the 3-keto-azasteroid was subjected to the Fischer indole synthesis, an indole (ring junction at C2, C3 of A ring) was formed
由光谱研究显示,来自3β-乙酰氧基-5α-
胆甾醇-6-的Schmidt反应产物为3β-乙酰氧基-6-氮杂-B-均一-5α-
胆甾醇-7-。当获得的4-
溴衍
生物与N-苯基
硫脲反应生成
噻唑时,将相应的3-酮-氮杂甾类化合物用氢
溴化
吡啶鎓
溴化物
溴化。当3-酮-氮杂甾类化合物进行Fischer
吲哚合成时,形成
吲哚(A环的C 2,C 3处的环结)。