Unexpected addition and cycloaddition products from the reaction of 2-Alkenyl-4H-1,3,4-oxadiazines with dienophiles and dienes.
作者:Duncan Batty、Yves Langlois
DOI:10.1016/0040-4039(93)85101-2
日期:1993.1
Reaction of 2-Alkenyl-4H-1,3,4-oxadiazines3 with electron deficient dienophiles gave linear addition products rather than cycloaddition product. When reacted with an electron-deficient diene, cycloaddition occurred across the olefin and not the imine.
2-烯基-4 H -1,3,4-恶二嗪3与缺电子的亲二烯体的反应得到线性加成产物,而不是环加成产物。当与缺电子的二烯反应时,整个烯烃而不是亚胺发生环加成反应。