Formation of difluoromethylene-arenium complexes by consecutive Aryl-CF3 CC bond activation and CF bond cleavage

ME van der Boom, Y Ben-David…

Index: Van Der Boom, Milko E.; Ben-David, Yehoshoa; Milstein, David Journal of the American Chemical Society, 1999 , vol. 121, # 28 p. 6652 - 6656

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Citation Number: 53

Abstract

Oxidative addition of one of the strongest CC bonds, Aryl-CF3, to Rh (I) takes place upon treating 1-CF3-2, 6-(CH2PtBu2) 2-C6H3 (1, PCP) with [RhClL2] 2 (L= C2H4 or C8H14) in dioxane or toluene at elevated temperatures leading to quantitative formation of Rh (CF3)(2, 6-(CH2PtBu2) 2-C6H3) Cl (2-Cl). The iodide analogue 2-I was prepared by reacting Rh (η 1- N2)(2, 6-(CH2PtBu2) 2-C6H3)(3) with CF3I at room temperature. ArCF2-F bond cleavage ...