Palladium-catalyzed coupling of 2,2t dihalobiaryls with metallated cyclopentenes. An easy synthesis for spiro[cyclopentene-1,9−[9H]fluorene]s
作者:Thomas J. Katz、Adam M. Gilbert、Monika E. Huttenloch、Gu Min-Min、Hans H. Brintzinger
DOI:10.1016/s0040-4039(00)73633-1
日期:1993.5
In the presence of palladium catalysts, one of the two carbons attached to halogen in 2,2'-diiodobiphenyl couples with unsaturated organometallics, after which the other adds to the newly incorporated double bond. Spiro[cyclopentene-1,9'-[9H]fluorene]s can be synthesized in this way.