In an article, published in an article, once mentioned the application of 1608-26-0, Name is Tris(dimethylamino)phosphine
,molecular formula is P[N(CH3)2]3, is a conventional compound. this article was the specific content is as follows.Computed Properties of P[N(CH3)2]3
Natural abundance 13C NMR studies have been carried out on a series of organophosphorus compounds possessing P-N bonds.For the first time a one-bond temperature-dependent 13C-31P nuclear spin coupling was observed for the P-phenyl carbons in bis(N,N-dibenzylamino)phenylphosphine (0-9 Hz) and bis(N,N-diethylamino)phenylphosphine (0-2 Hz).This temperature-dependent behavior can be rationalized in terms of free rotation about the phenyl phosphorus bond with concomitant hindered rotation about the P-N bonds.A conformational preference for the nitrogen and phosphorus lone pairs to exist in the trans orientation is indicated.In the similarly substituted 5-membered heterocyclic ring compound, 1,3-dimethyl-2-phenyl-1,3-diazaphospholidine, the phenyl one-bond coupling increases to (-) 42.1 Hz and becomes temperature independent.These data suggest that 1J(PC) is very responsive to electronic effects.
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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate