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Dimethyltris(trifluoromethyl)phosphorane, Me2P(CF3)3 and trimethylbis-(trifluoromethyl)phosphorane, Me3P(CF3)2; stable monofunctionally substituted penta-alkyl phosphoranes

1975; Royal Society of Chemistry; Issue: 17 Linguagem: Inglês

10.1039/c39750000716

2050-5639

Kwat I. The, Ronald G. Cavell,

Organometallic Complex Synthesis and Catalysis

The new, stable, penta-alkyl phosphoranes (CF3)3PMe2 and (CF3)2PMe3 are, according to n.m.r. spectral evidence, trigonal bipyramidal molecules, probably non-fluxional, in which CF3 groups are found to be preferentially located in the axial positions.