首页> 外文期刊>Tetrahedron >Regio- and stereoselectivity in the concatenated enyne cross metathesis-metallotropic [1,3]-shift of terminal 1,3-diyne This article is dedicated to Professor Paul A. Wender on the occasion of his receiving the 2012 Tetrahedron Prize for Creativity in Organic Chemistry
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Regio- and stereoselectivity in the concatenated enyne cross metathesis-metallotropic [1,3]-shift of terminal 1,3-diyne This article is dedicated to Professor Paul A. Wender on the occasion of his receiving the 2012 Tetrahedron Prize for Creativity in Organic Chemistry

机译:1,3-二炔末端串联的烯炔跨复分解-金属向[1,3]-移位中的区域选择性和立体选择性本文是献给保罗·A·温德教授的,他获得了2012年四面体有机创造力奖化学

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摘要

Enyne cross metathesis of terminal 1,3-diynes with various alkenes afforded two products of distinctive connectivity, as the result of a uniform mode of initiation but different modes of termination events with or without metallotropic [1,3]-shift. Steric and electronic factors of the substituents on the 1,3-diynes play an important role in controlling the metallotropic [1,3]-shift of the propagating alkylidene intermediates and their regioselective trapping to the final products.
机译:末端1,3-二炔与各种烯烃的烯炔交叉复分解反应提供了两种具有独特连通性的产物,这是引发方式相同但终止方式不同(无论有无金属致[1,3]位移)的结果。 1,3-二炔上的取代基的立体和电子因子在控制正在传播的亚烷基中间体的金属向[1,3]转移及其向最终产物的区域选择性捕集方面发挥着重要作用。

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