Photoredox generation of the trifluoromethyl radical from borate complexes <i>via</i> single electron reduction
作者:Vladimir O. Smirnov、Anton S. Maslov、Vladimir A. Kokorekin、Alexander A. Korlyukov、Alexander D. Dilman
DOI:10.1039/c8cc00245b
日期:——
A method for the generation of the CF3 radical from CF3-substituted borate complexes bearing a pyridine-N-oxide ligand is described. Cleavage of the C–B bond occurs via single electron reduction by a Cu(I) photocatalyst activated by visible light.
Functionalization of Styrenes by Copper-Catalyzed Borylation/<i>ortho</i>-Cyanation and Silver-Catalyzed Annulation Processes
作者:Wanxiang Zhao、John Montgomery
DOI:10.1002/anie.201507303
日期:2015.10.19
N‐cyano‐N‐phenyl‐p‐methylbenzenesulfonamide (NCTS) to a broad range of styrenes by utilizing IMesCuCl as catalyst. This step simultaneously accomplishes hydroboration of the alkene and ortho cyanation of the benzene unit. The products thus obtained are further functionalized by a AgNO3/Selectfluor‐mediated coupling of the BPin and cyano functionalities to annulate a new five‐membered ring. This combined two‐step