Cobalt-Catalyzed (E)-Selective Hydrosilylation of 1,3-Enynes for the Synthesis of 1,3-Dienylsilanes,Organometallics

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Cobalt-Catalyzed (E)-Selective Hydrosilylation of 1,3-Enynes for the Synthesis of 1,3-Dienylsilanes
Organometallics ( IF 2.5 ) Pub Date : 2021-06-29 , DOI: 10.1021/acs.organomet.1c00219
Degong Kong _{1,

2} , Bowen Hu ₁ , Min Yang ₂ , Haiping Xia ₁ , Dafa Chen ₁

Affiliation

Two types of regio- and stereoselective hydrosilylation reactions of 1,3-enynes catalyzed by Co complexes were developed. Dppf-CoCl₂ is applicable for 3,4-hydrosilylation of 4-aryl-substituted 1,3-enynes, while Xantphos-CoCl₂ is suitable for 4,3-hydrosilylation of 4-alkyl-substituted 1,3-enynes. Various functional groups are tolerated, and the produced 1,3-dienylsilanes can participate in several valuable transformations.

中文翻译：

钴催化 ( E )-选择性氢化硅烷化 1,3-烯炔合成 1,3-二烯基硅烷

开发了两种类型的由 Co 配合物催化的 1,3-烯炔的区域选择性和立体选择性氢化硅烷化反应。Dppf-CoCl ₂适用于4-芳基取代的1,3-烯炔的3,4-氢化硅烷化，而Xantphos-CoCl ₂适用于4-烷基取代的1,3-烯炔的4,3-氢化硅烷化。可以容忍各种官能团，并且生成的 1,3-二烯基硅烷可以参与多种有价值的转化。

更新日期：2021-07-12

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