Synthesis and characterization of ruthenium complexes with 1-aryl-2-mercaptoimidazole ligands
作者： Ai-Quan Jia , Qing Ma , Qun Chen , Hua-Tian Shi , Wa-Hung Leung
DOI: 10.1016/J.JORGANCHEM.2012.01.010
关键词:
摘要: Abstract Reactions of the vinyl ruthenium starting material Ru(CH CHPh)Cl(CO)(PPh 3 ) 2 ( 1 with 1-aryl-2-mercaptoimidazole (HLa, aryl = 4-chloro-phenyl; HLb, aryl = 4-methyl-phenyl; HLc, aryl = 4-nitro-phenyl) in presence sodium methoxide dichloromethane and methanol afforded [Ru(CH CHPh)(κ -L)(CO)(PPh ] 2a – 2c ). Treatment HL THF gave [RuCl(κ 3a 3c contaminant formation styrene as byproduct. Interactions HLa led to isolation a novel dinuclear complex [(CO)(PPh )(CHNCH Ph)Ru(μ-Cl) (μ-S)RuCl(CO)(PPh )] 4a via N–H bond addition styryl ligand. Complexes , were characterized by microanalyses, IR, H, 13 C, 31 P) NMR spectroscopies. The molecular structures have been determined single-crystal X-ray diffraction.
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