Michael adducts are greatly improved in the presence of Me3SiCl. Some further transformations of the Michael adducts were carried out, including a ring expansion process of a cyclohexanone derivative and a SmI2 mediated cyclisation of a complex bearing an acyclic ketone appendage.
迈克尔加成手性
有机锂,从某些η的苄
金属化所得的6 -chromiumtricarbonyl复合物,为α,β不饱和酮和酯,强烈地受到三
甲基氯硅烷的存在的影响。在大多数情况下,在Me 3 SiCl存在下,迈克尔加合物的收率大大提高。进行了迈克尔加合物的一些进一步的转化,包括
环己酮衍
生物的扩环过程和SmI 2介导的带有无环酮附体的复合物的环化。