Multi-Nuclear NMR Investigation of Nickel(II), Palladium(II), Platinum(II) and Ruthenium(II) Complexes of an Asymmetrical Ditertiary Phosphine

被引:0
|
作者
Raj, Joe Gerald Jesu [1 ]
Pathak, Devendra Deo [2 ]
Kapoor, Pramesh N. [3 ]
机构
[1] INRS, Ctr Energy Mat & Telecommun EMT, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
[2] Indian Sch Mines, Dept Appl Chem, Dhanbad 826004, Bihar, India
[3] Univ Delhi, Dept Chem, Delhi 110007, India
来源
JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE | 2013年 / 57卷 / 06期
关键词
Ditertiaryphosphines; Catalysis; Configuration; Isomerism; Chirality;
D O I
10.5012/jkcs.2013.57.6.726
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Complexes synthesized by reacting alkyl and aryl phosphines with different transition metals are of great interest due to their catalytic properties. Many of the phosphine complexes are soluble in polar solvents as a result they find applications in homogeneous catalysis. In our present work we report, four transition metal complexes of Ni(II), Pd(II), Pt(II) and Ru(II) with an asymmetrical ditertiaryphosphine ligand. The synthesized ligand bears a less electronegative substituent such as methyl group on the aromatic nucleus hence makes it a strong s-donor to form stable complexes and thus could effectively used in catalytic reactions. The complexes have been completely characterized by elemental analyses, FTIR, 1 HNMR, 31 PNMR and FAB Mass Spectrometry methods. Based on the spectroscopic evidences it has been confirmed that Ni(II), Pd(II) and Pt(II) complexes with the ditertiaryphosphine ligand showed cis whereas the Ru(II) complex showed trans geometry in their molecular structure.
引用
收藏
页码:726 / 730
页数:5
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