Ld. Field et Mp. Wilkinson, SYNTHESIS OF [2-(DIMETHYLPHOSPHINO)ETHYL] BIS(TRIFLUOROMETHYL)PHOSPHINE, (CH3)(2)PCH2CH2P(CF3)(2), Tetrahedron letters, 38(15), 1997, pp. 2779-2782
The ethylene-bridged bisphosphine, thylphosphino)ethyl]bis(trifluorome
thyl)phosphine, [(CH3)(2)PCH2CH2P(CF3)(2)], was synthesised in four st
eps from the unsymmetrical bisphosphine (CH3)(2)PCH2CH2PH2, using a ne
w trifluoromethylation procedure employing CF3Br and hexaethylphosphor
us triamide. (C) 1997 Elsevier Science Ltd.