Palladium complexes bearing the dipyridyl ligand: synthesis,structural studies,and use in the Heck reaction |
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| Authors: | Ismail Warad Mohammad Azam Saud I. Al-Resayes Mohammad Shahidul Islam Sarfaraz Ahmed Salim F. Haddad |
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| Affiliation: | 1.Department of Chemistry, Science College,AN-Najah National University,Nablus,State of Palestine;2.Department of Chemistry, College of Science,King Saud University,Riyadh,KSA;3.Department of Pharmacognosy, College of Pharmacy,King Saud University,Riyadh,KSA;4.Department of Chemistry,Hashemite University,Zarqa,Jordan |
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| Abstract: | Two new palladium complexes derived from the di(2-pyridinyl)methanone N-(2-pyridinyl)hydrazone (DPMNPH) ligand are reported. The compounds were characterized by elemental analysis, spectroscopic studies, and, for the DPMNPH ligand, single-crystal X-ray diffraction analysis. The DPMNPH ligand crystallized as orthorhombic with the space group P212121. The H1 atom is intramolecularly bonded to the pyridinic N4 with N1–H1 = 0.92(3) Å, H1···N4 = 1.87(2) Å, N1···N4 = 2.615(2) Å, and N1–H1···N4 = 137(2)°. Both complexes were excellent catalysts in the Heck reaction in the presence of base. |
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