Characterization of σ and π donation of solvents by 31P NMR chemical shifts of trigonal-bipyramidal palladium(II) complexes with tris(2-diphenylphosphinoethyl)phosphine

Analytical Sciences

Volumn 12, Issue 1, 1996, Pages 27-30

  Aizawa, Sen Ichi ^a   Funahashi, Shigenobu ^a  

^a NAGOYA UNIVERSITY   (Japan)

Author keywords

Solvent characterization; Trigonal bipyramidal palladium(II) complex; and donation

Indexed keywords

AMIDES; ATOMS; CHEMICAL SHIFT; DIMETHYL SULFOXIDE; LIGANDS; MOLECULES; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; ORGANIC SOLVENTS; PHOSPHORUS; PHOSPHORUS COMPOUNDS;

31P-NMR SPECTROSCOPY; AXIAL POSITIONS; COORDINATED SOLVENTS; EQUATORIAL PLANES; N ,N-DIMETHYLFORMAMIDE; SOLVENT MOLECULES; TRIGONAL-BIPYRAMIDAL PALLADIUMS; TRIMETHYLPHOSPHITE;

PALLADIUM COMPOUNDS;

EID: 0030527968     PISSN: 09106340     EISSN: None     Source Type: Journal    
DOI: 10.2116/analsci.12.27     Document Type: Article

References (9)

1. (a) R. G. Wilkins, "The Study of Kinetics and Mechanism of Reactions of Transition Metal Complexes", Allyn and Bacon, Boston, 1974.
2. (b) J. Burgess, "Metal Ions in Solution", Ellis Norwood, New York, 1978.
3. V. Gutmann, "The Donor-Acceptor Approach to Molecular Interaction", Plenum Press, New York, 1978. The donor numbers of acetonitrile, DMF, DMSO, and pyridine are 14.1, 26.6, 29.8, and 33.1, respectively. The donor number of trimethylphosphite is not available.
4. R. H. Erlich, E. Roach and A. I. Popov, J. Am. Chem. Soc., 92, 4989 (1970).
5. R. H. Erlich and A. I. Popov, J. Am. Chem. Soc., 93, 5620 (1971).
6. -).
7. 3: 56.35 (s, equivalent terminal P atoms) and 120.71 (s, central P atom).
8. 3 ligand. This decomposition is inhibited by using an excess of inert diluent such as dichloromethane.
9. Trimethylphosphite can be regarded as a solvent, because it is a liquid at ambient temperature and pressure (m.p. -86°C, b.p. 38°C).