Copper(II)-catalyzed meta-selective direct arylation of α-aryl carbonyl compounds
Strong competition: A method for the meta-selective arylation of the highly versatile α-aryl carbonyl motif using diaryliodonium salts is described. In this CuII-catalyzed process the remote carbonyl group is capable of overpowering even strongly para-directing functionalities to form the elusive meta-products (see scheme). Remarkably, the arylation process can also operate under metal-free conditions.
Duong, Hung A.,Gilligan, Ruth E.,Cooke, Michael L.,Phipps, Robert J.,Gaunt, Matthew J.
p. 463 - 466
(2011/03/16)
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