Synthesis, structure and catalytic alcohol oxidation by ruthenium(III) supported by Schiff base and triphenylphosphine ligands
作者:Li-Hua Tang、Fule Wu、Hui Lin、Ai-Quan Jia、Qian-Feng Zhang
DOI:10.1016/j.ica.2018.03.017
日期:2018.5
tetra-dentate Schiff bases gave corresponding ruthenium(III) complexes [RuCl(PPh3)(salen)] (3) (H2salen = N,N′-disalicylidene-1,2-ethanediamine), [RuCl(PPh3)(salipn)]·2CH2Cl2 (4) (H2salipn = N,N′-disalicylidene-1,2-(1-methyl)ethanediamine), [RuCl(PPh3)(salpn)]·CH2Cl2 (5) (H2salpn = N,N′-disalicylidene-1,2-propanediamine), [RuCl(PPh3)(salphen)]·CH2Cl2 (6) (H2salphen = N,N′-disalicylidene-1,2-phenyldiamine), [R
用两个当量对[RuCl2(PPh3)3]进行抽象处理。双齿席夫碱N,O-LH-Cl(N,O-LH-Cl = 2 [(3-氯-苯基亚氨基)-甲基]-苯酚)或N,O-LH-NO2(N,O-LH -NO2 = 2 [((4-硝基-苯基亚氨基)-甲基]-苯酚)在三乙胺的存在下提供顺式-[RuCl(PPh3)(κ2-N,OL-Cl)2](1)和反式-[RuCl (PPh3)(κ2-N,OL-NO2)2]·Et2O(2)。[RuCl2(PPh3)3]与等当量的反应。四齿席夫碱得到相应的钌(III)络合物[RuCl(PPh3)(salen)](3)(H2salen = N,N'-二水杨基-1,2-乙二胺),[RuCl(PPh3)(salipn)] ·2CH2Cl2(4)(H2salipn = N,N'-二水杨基-1,2-(1-甲基)乙二胺),[RuCl(PPh3)(salpn)]·CH2Cl2(5)(H2salpn