2-(substituted phenyl)piperidinium iodides (2) with caesium fluoride gave high yields of 2-methyl-1,3,4,5,6,11a-hexahydro-2H-2-benzazonines (4) which are regarded as unstable intermediates in the Sommelet-Hauser rearrangement of ammonium ylides (3) to 2-methyl-2,3,4,5,6,7-hexahydro-1H-2-benzazonine derivatives (5).
1-甲基-1-(三
甲基甲
硅烷基)
甲基-2-(取代的
苯基)
碘化
碘鎓(2)与
氟化铯的反应产生了高产率的
2-甲基-1,3,4,5,6,11a-hexahydro-2 H -2-
苯甲zon嗪(4),被视为
铵盐(3)的Sommelet-Hauser重排为
2-甲基-2,3,4,5,6,7-六
氢-1 H -2-的不稳定
中间体苯扎宗碱衍
生物(5)。