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Palladium(II) complexes comprising naphthylamine and biphenylamine based Schiff base ligands: Synthesis, structure and catalytic activity in Suzuki coupling reactions
Journal of Organometallic Chemistry ( IF 2.1 ) Pub Date : 2020-03-09 , DOI: 10.1016/j.jorganchem.2020.121220
Veerasamy Nagalakshmi , Munusamy Sathya , Muniyappan Premkumar , Dhananjayan Kaleeswaran , Galmari Venkatachalam , Kasturi Balasubramani

New palladium(II) Schiff base complexes of the general formula [Pd(L1−6)2] [L1 = N-(Naphthyl)-salicylaldimine (1), L2 = N-(Naphthyl)-methoxysalicylaldimine (2), L3 = N-(Biphenyl)-salicylaldimine (3), L4 = N-(Biphenyl)-methoxysalicylaldimine (4), L5 = N-(Naphthyl)-2-hydroxy-1-naphthaldimine (5), L6 = N-(Biphenyl)-2-hydroxy-1-naphthaldimine (6)] 16 have been synthesized by the reaction of [Pd(OAc)2] with bidentate Schiff base ligands. The palladium(II) complexes were fully characterized by analytical, spectral (FT−IR, UV–Vis, 1H NMR & 13C NMR) methods. The molecular structure of the one of the complexes [Pd(L1)2] (6) was confirmed by single crystal X−ray diffraction methods. Further, the new palladium(II) complexes were tested as catalyst for Suzuki-Miyaura coupling reactions and exhibits very good catalytic activity.



中文翻译:

包含萘胺和联苯胺基席夫碱配体的钯(II)配合物:铃木偶联反应的合成,结构和催化活性

通式[Pd(L 1−62 ]的新的钯(II)席夫碱配合物[L 1  =  N-(萘基)-水杨醛亚胺(1),L 2  =  N-(萘基)-甲氧基水杨醛亚胺(2) ,L 3  =  N-(联苯基)-水杨醛亚胺(3),L 4  =  N-(联苯基)-甲氧基水杨醛亚胺(4),L 5  =  N-(萘基)-2-羟基-1-萘二胺(5),L 6  =  N-(联苯基)-2-羟基-1-萘二胺(6)] 1 - 6已经通过[加入Pd(OAC)的反应合成2 ]与二齿席夫碱配体。钯(II)配合物已通过分析,光谱(FT-IR,UV-Vis,1 H NMR和13 C NMR)方法进行了全面表征。复合物[Pd(L 12 ](6)之一的分子结构通过单晶X射线衍射法确认。此外,测试了新的钯(II)配合物作为铃木-宫浦偶联反应的催化剂,并显示出非常好的催化活性。

更新日期:2020-03-09
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