区域选择性
硅烷化
化学
钳子运动
钌
催化作用
功能群
组合化学
联轴节(管道)
有机化学
立体化学
机械工程
工程类
聚合物
作者
Huaquan Fang,Le Guo,Yuxuan Zhang,Wubing Yao,Zheng Huang
出处
期刊:Organic Letters
[American Chemical Society]
日期:2016-10-18
卷期号:18 (21): 5624-5627
被引量:50
标识
DOI:10.1021/acs.orglett.6b02857
摘要
A pincer Ru(II) catalyst for the highly efficient undirected silylation of O- and S-heteroarenes with (TMSO)2MeSiH and Et3SiH is described, producing heteroarylsilanes with exclusive C2-regioselectivity, good functional-group tolerance, and high turnover numbers (up to 1960). The synthetic utility of the silylated products is demonstrated by Pd-catalyzed Hiyama–Denmark cross-coupling under mild conditions. One-pot, two-step silylation and coupling procedures have been also developed.
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