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Synthesis, Spectroscopic Characterization and Catalytic Significance of Palladium(II) Complexes Derived from 1,1 Bis(Diphenylphosphinomethyl) Ethane

Wed, 2013-03-13 17:02 — Ismail Warad
Journal Title, Volume, Page: 
Journal of Molecular Structure Volume 1002, Issues 1–3, 14 September 2011, Pages 107–112
Year of Publication: 
2011
Link: 
http://www.sciencedirect.com/science/article/pii/S0022286011005412
Authors: 
Ismail Warad
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Current Affiliation: 
Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine
[email protected]
Mohammad Azam
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Usama Karama
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Saud Al-Resayes
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Ahmed Aouissi
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Belkheir Hammouti
LCAE-URAC18, Faculté des Sciences, Université Mohammed Ier B.P. 717, 60000 Oujda, Morocco
Preferred Abstract (Original): 
Two novel and neutral bidentate Palladium(II) complexes of the type, [PdX2(dpme)] (X = Cl 1, OAc 2], have been synthesized from 1,1-bis(diphenylphosphinomethyl)ethene (dpme) ligand and characterized on the basis of elemental analyses, infrared, FAB-MS and 1H-, 13C-, and 31P-NMR spectroscopy. The structure of 1 has been ascertained by single crystal X-ray crystallography and shows cis configuration in a square planar structure while the structural behavior of the dpme ligand through the formation of these complexes has been monitored by 31P{1H} NMR and IR spectra. These Pd(II) complexes have shown a very significant catalytic role in Heck reaction giving high yield under mild condition.
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