Nickel(II), Copper(II) and Palladium(II) Complexes with Bis-Semicarbazide Hexaazamacrocycles: Redox-Noninnocent Behavior and Catalytic Activity in Oxidation and C–C Coupling Reactions
作者:Anatolie Dobrov、Anastasia Fesenko、Alexander Yankov、Iryna Stepanenko、Denisa Darvasiová、Martin Breza、Peter Rapta、Luísa M. D. R. S. Martins、Armando J. L. Pombeiro、Anatoly Shutalev、Vladimir B. Arion
DOI:10.1021/acs.inorgchem.0c01119
日期:2020.8.3
Nickel(II), copper(II), and palladium(II) complexes MLH, where M = Ni (1), Cu (2), Pd (3), and MLOMe, where M = Ni (4), Cu (5), Pd (6), have been prepared by reactions of NiCl2·6H2O, Cu(OAc)2·H2O, and PdCl2(MeCN)2 with 14-membered bis-semicarbazide hexaazamacrocycles H2LH and H2LOMe in dimethylformamide (DMF). The compounds were characterized by elemental analysis, ESI mass spectrometry, IR, UV–vis
镍(II),铜(II)和钯(II)配合物ML H,其中M = Ni(1),Cu(2),Pd(3)和ML OMe,其中M = Ni(4),Cu (5),Pd(6),是通过NiCl 2 ·6H 2 O,Cu(OAc)2 ·H 2 O和PdCl 2(MeCN)2与14元双-半氨基叠氮六氮杂大环H 2 L反应制得的H和H 2 L OMe在二甲基甲酰胺(DMF)中。通过元素分析,ESI质谱,IR,UV-vis和1D(1 H,13 C)和2D(1 H- 1 H COSY,1 H- 1 H TOCSY,1 H- 1 H NOESY )对化合物进行表征,1 H- 13 çHSQC,1 H- 13 C ^ HMBC)核磁共振谱(1,3,4,和6),和X射线衍射(2,4 - 6)。与M II N 4的配合物Ni,Cu和Pd的协调环境分别具有S = 0、1 / 2、0基态。详细研究了1 – 6的电化学行为。通过