Functionalization of ε-caprolactam (3) or Beckmann rearrangement of the syn-oxime derivative of 3-ethoxy-2-cyclohexen-1-one (12) provided efficient and high-yielding syntheses of (±)-anti-N-benzyl-3-amino-4-hydroxyhexahydroazepine (2), a key intermediate for the syntheses of racemic balanol and its analogs.
ε-己内酰胺(3)的功能化或
3-乙氧基-2-环己烯-1-酮(12)的
肟肟衍
生物的贝克曼重排提供了(±)-抗-N-苄基-的高效高产合成3-
氨基-
4-羟基六氢a庚因(2),是外消旋巴拉诺醇及其类似物合成的关键中间体。