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Nickel(Ⅱ) complexes Ni(L1)2(1) and Ni(L2)2·CH3CN·H2O(2)(L1Cl = 2-(3-benzyl-2,3-dihydroimidazlo-1-yl)-N-(pyridin-2-yl)acetamide, chloride salt, L2Cl = 2-(3-naphthalene-2-ylmethyl)-2,3-dihydro-imidazlo-1-yl)-N-phenylacetamide, chloride salt) with amide-functionalized imidazolium NHC ligand were synthesized and determined by single-crystal X-ray diffraction. Complex 1 crystallizes in the monoclinic system, space group P21/c with a = 9.2561(19), b = 15.138(3), c = 20.750(4) , β = 90.216(3)°, V = 2907.3(10) 3 and Z = 4. Complex 2 crystallizes in the orthorhombic system, space group Pbca with a = 15.5469(16), b = 15.3521(15), c = 31.177(3) , V = 7441.2(13) 3 and Z = 8. They are stable in the air and formed via intermolecular weak interactions, including C–H···π contacts and C–H···O hydrogen bonds. Complex 1 was applied in Suzuki coupling reaction through the investigation of reaction conditions under the optimal choice conditions: 80 ℃, K3PO4, 3% mol catalysts, 6% mol PPh3 and toluene as solvent system could afford 96% yield in 5 h.
Nickel (Ⅱ) complexes Ni (L1) 2 (1) and Ni (L2) 2 · CH3CN · H2O (2) pyridin-2-yl) acetamide, chloride salt, L2Cl = 2- (3-naphthalene-2-ylmethyl) -2,3-dihydro- imidazlo- 1 -yl) -N-phenylacetamide, chloride salt) Complex 1 crystallizes in the monoclinic system, space group P21 / c with a = 9.2561 (19), b = 15.138 (3), c = 20.750 (4) , β = 90.216 (3) °, V = 2907.3 (10) 3 and Z = 4. Complex 2 crystallizes in the orthorhombic system space group Pbca with a = 15.5469 (16), b = 15.3521 31.177 (3) , V = 7441.2 (13) 3 and Z = 8. They are stable in the air and formed via intermolecular weak interactions, including C-H ··· contacts and C-H ··· O hydrogen bonds. Complex 1 was applied in Suzuki coupling reaction through the investigation of reaction conditions under the optimal choice conditions: 80 ° C, K3PO4, 3% mol catalysts, 6% mol PPh3 and toluene as solvent system could afford 96% yield in 5 h.