镍催化亚乙烯基插入硅氢键的反应。
Nickel-catalyzed insertions of vinylidenes into Si-H bonds.
作者信息
Biswas Sourish, Pal Sudipta, Uyeda Christopher
机构信息
Department of Chemistry, Purdue University, 560 Oval Dr., West Lafayette, IN, USA.
出版信息
Chem Commun (Camb). 2020 Nov 25;56(91):14175-14178. doi: 10.1039/d0cc05970f. Epub 2020 Nov 3.
Abstract
A nickel-catalyzed reductive cyclization of 1,1-dichloroalkenyl silanes is reported. The products of this reaction are unsaturated five- or six-membered silacycles. Intermolecular variants are also described, providing access to trisubstituted vinyl silanes that are not accessible by alkyne hydrosilylation or sila-Heck-type processes. A variety of silanes can be utilized, including those that serve as nucleophilic partners in Hiyama cross-coupling reactions. Mechanistic studies using deuterium-labelled silanes are described.
摘要
报道了一种镍催化的1,1-二氯烯基硅烷的还原环化反应。该反应的产物是不饱和五元或六元硅杂环。还描述了分子间变体反应，可得到通过炔烃硅氢化或硅-赫克型反应无法得到的三取代乙烯基硅烷。可以使用多种硅烷，包括那些在日山交叉偶联反应中作为亲核伴侣的硅烷。描述了使用氘标记硅烷的机理研究。
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