Lipshutz Bruce H, Unger John B, Taft Benjamin R
Department of Chemistry and Biochemistry, University of California, Santa Barbara, CA 93106, USA.
Org Lett. 2007 Mar 15;9(6):1089-92. doi: 10.1021/ol0700409. Epub 2007 Feb 17.
Copper impregnated into charcoal efficiently catalyzes cross-couplings between aryl bromides and phenols. The etherifications were conveniently promoted by microwave heating. [structure: see text]