Photo-Induced Ruthenium-Catalyzed C-H Benzylations and Allylations at Room Temperature
CHEMISTRY-A EUROPEAN JOURNAL(2021)
摘要
The ruthenium-catalyzed synthesis of diarylmethane compounds was realized under exceedingly mild photoredox conditions without the use of exogenous photocatalysts. The versatility and robustness of the ruthenium-catalyzed C-H benzylation was reflected by an ample scope, including multifold C-H functionalizations, as well as transformable pyrazoles, imidates and sensitive nucleosides. Mechanistic studies were indicative of a photoactive cyclometalated ruthenium complex, which also enabled versatile C-H allylations.
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关键词
C-H activation, diarylmethane, photocatalysis, photoredox, ruthenium
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