Ullmann Coupling

Mechanism of the Ullmann Coupling

Original publication	Chem. Ber.. 1901, 34, 2174.
Reviews	Chem. Rev.. 1946, 38, 139. Chem. Rev.. 1964, 64, 613. Chem. Rev.. 2002, 102, 1359. Curr. Org. Chem.. 2002, 6, 597. Org. React.. 2004, 63, 265. Synthesis. 1974, 0, 9.

Sample reactions

CuI, Pd2(dba)3, Cu

DMSO

65 °C, 2.5 h, 83%