A facile synthesis of bicyclic α-methylene-γ-lactones by intramolecular cyclization of allylsilylated aldehydes
作者:Kiyoshi Nishitani、Koji Yamakawa
DOI:10.1016/s0040-4039(00)95805-2
日期:1987.1
Bicyclic α-methylene-γ-lactones were synthesized employing intramolecular reaction of an aldehyde unit with a β-ethoxycarbonylallylsilane function by the action of TiCl4 in an excellent yield.
通过在TiCl 4的作用下醛单元具有β-乙氧基羰基烯丙基硅烷官能团的分子内反应,以优异的产率合成了双环α-亚甲基-γ-内酯。