Aminophosphines derived from morpholine and N-methylpiperazine:: Synthesis, oxidation reactions and transition metal complexes

被引：21
作者：
Balakrishna, Maravanji S. [1 ]
Suresh, D.
George, Paulose P.
Mague, Joel T.
机构：
[1] Indian Inst Technol, Dept Chem, Bombay 400076, Maharashtra, India
[2] Tulane Univ, Dept Chem, New Orleans, LA 70118 USA
来源：
POLYHEDRON | 2006年 / 25卷 / 16期
关键词：
aminophosphines; insertion reaction; sulfur and selenium derivatives; palladium and platinum complexes; ruthenium(II);
D O I：
10.1016/j.poly.2006.05.041
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis, derivatization and coordination behavior of N-diphenylphosphinomorpholine (1) and N-diphenylphosphinopiperazine (2) is described. Ligands 1 and 2 react with elemental sulfur or selenium to give the corresponding chalcogenides in good yield. Reaction of 1 with paraformaldehyde leads to the insertion of methylene into P-N bond to give phosphine oxide, Ph2P(O)CH2NC4H8O in quantitative yield. Treatment of 2 with [Pd(COD)Cl-2] produces both the mononuclear [PdCl2{(Ph2PNC4H8O)-kappa P}(2)] and the chloro-bridged dinuclear complex, [(OC4H8NPh2P)Pd-(mu-Cl)Cl](2) whereas the similar reaction of 2 with [Pt(COD)Cl-2] affords only the mononuclear complex [PtCl2{(Ph2PNC4H8O)-kappa P}(2)], Interestingly, ligand 2 reacts with Mo(0), W(0), Ru(II), Pd(II), Pt(II) and Au(I) derivatives to furnish exclusively mononuclear complexes. The molecular structures of Ru(II) and Pd(II) dimer have been confirmed by X-ray studies. (C) 2006 Elsevier Ltd. All rights reserved.
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页码：3215 / 3221
页数：7
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