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Synthesis, Spectral, Thermal, X-Ray Single Crystal of New Rucl2(Dppb)Diamine Complexes and Their Application in Hydrogenation of Cinnamic Aldehyde

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Wed, 2013-03-13 16:57 — Ismail Warad
Journal Title, Volume, Page: 
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Volume 95, September 2012, Pages 374–381
Year of Publication: 
2012
Link: 
http://www.sciencedirect.com/science/article/pii/S1386142512003435
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]
Hanan Al-Hussain
Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Rawhi Al-Far
Department of Applied Sciences, Faculty of Applied Sciences and I.T., Al-Balqa’ Applied University, Salt 19117, Jordan
Refaat Mahfouz
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, Oujda 60000, Morocco
Taibi Ben Hadda
Laboratoire de Chimie Matériaux, FSO, Université Mohammed Ier, Oujda 60000, Morocco
Preferred Abstract (Original): 
The preparation of new three trans-[RuCl2(dppb)(N–N)] with mixed diamine (N–N) and 1,4-bis-(diphenylphosphino)butane (dppb) ligands, starting from RuCl2(PPh3)3 as precursor is presented. The complexes are characterized on the basis of elemental analysis, IR, 1H, 13C and 31P{1H}NMR, FAB-MS, TG/DTA and single crystal X-ray diffraction studies. Complex (2L1) crystallizes in the monoclinic unit cells with the space group P21. The catalysts are evaluated for their Cinnamic aldehyde hydrogenation. The catalysts show excellent activity and selectivity for the unsaturated carbonyl compound under mild conditions.
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