(M)-Helicene-derived 2,2′-bipyridine N-monoxide catalyzed the allenylation of N-acylhydrazones with propargyltrichlorosilane with excellent regioselectivity and moderate-to-good enantioselectivity. This study represents the first catalytic asymmetricallenylation of acylhydrazones.
( M )-螺旋烯衍生的 2,2'-联吡啶N-一氧化物催化N-酰基腙与炔丙基三氯硅烷的联烯基化,具有优异的区域选择性和中等到良好的对映选择性。这项研究代表了酰腙的首次催化不对称联烯基化。