Acid-catalyzed elimination of pyridine from the stereoselective [3+2] cycloadducts between electron-deficient olefins and pyridinium methylides with ylide-stabilizing substituents offers a new type of C–C bond formation.
从缺电子烯烃和具有叶立德稳定取代基的
吡啶鎓甲基化物之间的立体选择性 [3+2] 环加合物中酸催化消除
吡啶提供了一种新型的 C-C 键形成。