Visible light enabled γ-trifluoromethylation of Baylis–Hillman acetates: stereoselective synthesis of trisubstituted alkenes
Literature Information
Publication Date
2019-02-14
DOI
10.1039/C9QO00166B
Impact Factor
5.281
Authors
Arvind Kumar Yadav, Anup Kumar Sharma, Krishna Nand Singh
View Original
Abstract
A distinct visible light induced γ-trifluoromethylation of Baylis–Hillman acetates has been accomplished using eosin Y as a photoredox catalyst and bench stable Langlois’ reagent (CF3SO2Na) as a CF3 source under metal-free conditions at room temperature to afford various trisubstituted alkenes. The product stereochemistry is predominantly trans (E), and involves trifluoromethylation followed by de-acetoxylation.
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