Site-Selective Aliphatic C−H Silylation of 2-Alkyloxazolines Catalyzed by Ruthenium Complexes

Kazumasa Kon,Hiroyuki Suzuki,Kosuke Takada,Yoshihito Kohari,Takeshi Namikoshi,Shinji Watanabe,Miki Murata

CHEMCATCHEM（2016）

引用 27|浏览6

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摘要

The Ru-catalyzed dehydrogenative silylation of 2-alkyloxazolines with 1,1,1,3,5,5,5-heptamethyltrisiloxane took place site-selectively at methyl C(sp(3))-H bonds located gamma to the nitrogen atom of the oxazolyl groups. Pyridine and pyrazole rings could also be used as a directing group. A catalytic mechanism based upon successive sigma-bond metathesis is proposed.

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关键词

C-H activation,density functional calculations,isotope effects,ruthenium catalysis,silanes

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