Enhancement in facial selectivity of a plane nonsymmetric double bond induced by a conjugating methoxycarbonyl group
作者:Remo Gandolfi、Mirko Sarzi Amade、Augusto Rastelli、Marisa Bagatti、Dino Montanari
DOI:10.1016/0040-4039(95)02176-0
日期:1996.1
Introduction of a methoxycarbonyl group on the plane nonsymmetric double bond of 2,3-dioxa and 2,3-oxaza bicyclo[2.2.2]oct-5-enes brought about a clear-cut increase in syn selectivity of their reactions with 1,3-dipoles.
在2,3-二氧杂和2,3-氧杂双环[2.2.2] oct-5-enes的平面非对称双键上引入甲氧羰基可明显提高其与1的反应的同构选择性。 3偶极子。