Synthesis, Reactivities, and Coordination Chemistry of Tris(2-isopropoxyphenyl)phosphine.

ABSTRACT A phosphine bearing three 2-isopropoxyphenyl groups, P{C6H4[2-O( i-Pr)]}3 ( 1), was synthesized. Phosphine 1 readily reacted with CH2Cl2 and ClCH2CH2Cl at 25°C to give the corresponding phosphonium salts [RCH2P{C6H4[2-O( i-Pr)]}3]X ( 2: R=X=Cl, 3: R=CH2Cl, X=BF4). Platinum, palladium, and rhodium complexes with ligand 1, [PtCl2( 1)2] ( 4), [PdCl2( 1)2] ( 5), [{PdCl( 1)}2(μ-Cl)2] ( 6), and [RhCl(cod)( 1)] ( 7) were synthesized and their structures were determined by X-ray crystallography, which revealed that ligand 1 works as a monodentate ligand in these complexes. [ABSTRACT FROM AUTHOR]