C-Methylenation of anilines and indoles with CO2 and hydrosilane using a pentanuclear zinc complex catalyst.
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DOI: 10.1039/d1cc03675k
Abstract: The one-step C-methylenation of anilines and indoles with CO2 and phenylsilane was catalyzed by a pentanuclear ZnII complex to give diarylmethanes via geminal C-H and C-C bond formation. It is proposed that the zinc-hydride complex… read more here.
Keywords: hydrosilane using; anilines indoles; co2 hydrosilane; indoles co2 ... See more keywords
Synthesis of 5-aryl-3,3′-bis-indolyl and bis-7-aza-indolyl methanone derivatives from 5-bromo-7-azaindoles via sequential methylenation using microwave irradiation, CAN oxidation, and Suzuki coupling reactions
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DOI: 10.1039/d2ra05849a
Abstract: A catalyst-free and green chemical method has been developed for the methylenation of indole and N-methyl-7-aza indoles with aqueous formaldehyde afforded respective N,N′-dimethyl-3,3′-bis-7-azaindolylmethanes under microwave irradiation in excellent yield. Subsequent oxidation of the products thus… read more here.
Keywords: suzuki coupling; bis; methanone derivatives; methylenation ... See more keywords