Synthetic Route of 1608-26-0, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.1608-26-0, Name is Tris(dimethylamino)phosphine
, molecular formula is P[N(CH3)2]3. In a patent, introducing its new discovery.
Synthesis and multinuclear NMR study (1H, 11B, 13C, 14N, 15N, 31P, 77Se) of N-azolyl-phosphorus compounds
The synthesis of N-azolyl (pyrrole, pyrazole, 1,2,4-triazole) phosphorus compounds containing PIII or PV is described.The title compounds were studied by multinuclear NMR (1H, 11B, 13C, 14N, 15N, 31P, 77Se) with particular emphasis on <15N> NMR parameters.Experimental details are given for the natural abundance <15N>NMR spectra and advantage of the various techniques is discussed.The comparison between values 1J(31P15Nazole) and 1J(31P15Nalkyl) shows that the nature of the lone electron pair of the trigonal nitrogen atoms of the minor importance as far as the changes in the magnitude of the coupling constants are concerned.Sterical interactions and inductive effects are reflected by the <15N>NMR parameters.Both PIII and PV appear to be very weak ?-acceptors as is evident from delta15N and delta13C values.P-N(dp)? interactions are hardly reflected by <15N>NMR parameters.
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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