Réactivité d'organozinciques allyliques β-fonctionnels γ-substitués. Préparation d'α-méthylène γ-butyrolactones β- et γ-substituées
作者:François Lambert、Bernard Kirschleger、Jean Villiéras
DOI:10.1016/0022-328x(91)83172-z
日期:1991.3
Stable organozinc compounds derived from alkyl 3-alkyl 2-(bromomethyl) propenoates reacted with ketones and aldehydes to give alpha-methylene gamma-butyrolactones in excellent yields. Different reaction parameters were studied and some transition states were proposed.