Copper-in-charcoal (Cu/C) promoted diaryl ether formation

Org Lett. 2007 Mar 15;9(6):1089-92. doi: 10.1021/ol0700409. Epub 2007 Feb 17.

Abstract

Copper impregnated into charcoal efficiently catalyzes cross-couplings between aryl bromides and phenols. The etherifications were conveniently promoted by microwave heating. [structure: see text]