Unusual, Strained Heterocycles: 3-Alkylidene-2-methyleneoxetanes from Morita−Baylis−Hillman-type Adducts
作者:Isamir Martínez、Alexander E. Andrews、Joseph D. Emch、Albert J. Ndakala、Jun Wang、Amy R. Howell
DOI:10.1021/ol020202v
日期:2003.2.1
[GRAPHICS]3-Alkylidene-2-methyleneoxetanes have been prepared by treating alpha-alkylidene-beta-lactones, derived from Morita-Baylis-Hillman-type adducts, with dimethyltitanocene. Preliminary studies of the reactivity of these little known, strained heterocycles are also described.