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Palladium complexes bearing the dipyridyl ligand: synthesis, structural studies, and use in the Heck reaction

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Wed, 2015-10-28 10:07 — Ismail Warad
Journal Title, Volume, Page: 
Res Chem Intermed
Year of Publication: 
2015
Authors: 
Ismail Warad , Saud I. Al-Resayes Sarfaraz Ahmed , Mohammad Azam , Mohammad Shahidul Islam Salim F. Haddad
Preferred Abstract (Original): 

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 P21212. The H1 atom isintramolecularly bonded to the pyridinic N4 with N1–H1 = 0.92(3) A , H1...N4=1.87(2) A˚,N1N4 = 2.615(2) A˚1, and N1–H1N4 = 137(2). Both complexes were excellent catalysts in the Heck reaction in the presence of base.