Metal complexes of molecular clefts. The synthesis and X-ray crystal structures of a mononuclear barium and four binuclear silver(I) complexes of bibracchial tetraimine Schiff-base macrocycles
作者:Harry Adams、Neil A. Bailey、W. Daniel Carlisle、David E. Fenton、Gentilina Rossi
DOI:10.1039/dt9900001271
日期:——
respectively, have been synthesised. The crystalstructures of five complexes have been determined: [BaL1][ClO4]2 crystallises in the monoclinic space group C2/c(C62h, no. 15) and has unit-cell dimensions a= 20.310(38), b= 14.453(41), c= 15.137(29)Å, β= 104.84(15)°, and Z= 4; [Ag2L1][ClO4]2 crystallises in the tetragonal space group I41cd(C124v, no. 110) with a= 28.11 (4), c= 21.618(16)Å, and Z= 16; [Ag2L2][ClO4]2·0
双臂四亚胺席夫碱大环化合物L 1 -L 4的单核钡和双核银(I)配合物,是由2,6-二乙酰基吡啶和官能化三胺N,N-双(2-氨基乙基)'2 + 2'缩合得到的-2-(氨基甲基)吡啶,N,N-双(3-氨基丙基)-2-(氨基甲基)吡啶,N,N-双(3-氨基丙基)-2-甲氧基乙胺和N,N-(3-氨基丙基) )-2-甲氧基苄胺已分别合成。确定了五种配合物的晶体结构:[BaL 1 ] [ClO 4 ]2在单斜空间群C 2 / c( C 6 2 h,no。15)中结晶,其晶胞尺寸为a = 20.310(38), b = 14.453(41), c = 15.137(29)Å,β = 104.84(15)°, Z = 4;[Ag 2 L 1 ] [ClO 4 ] 2在四角形空间群I 4 1 cd( C 12 4 v,no。110)中结晶, a = 28.11(4), c = 21.618(16)Å, Z
Adams, Harry; Bailey, Neil A.; Carlisle, W. Daniel, Journal of the Chemical Society, Dalton Transactions
作者:Adams, Harry、Bailey, Neil A.、Carlisle, W. Daniel、Fenton, David E.、Rossi, Gentilina
DOI:——
日期:——
Reactions of Tetraazamacrocyclic FeIII Complexes with Hydrogen Peroxide − Putative Catalase Mimics?
作者:Sabrina Autzen、Hans-Gert Korth、Herbert de Groot、Reiner Sustmann
analogous complex Fe(III)-2 at pH = 7.2 found that no oxygen was formed underphysiologicalconditions, although hydrogen peroxide was decomposed to an extent of more than 50%. Complex Fe(III)-3 produced oxygen on reaction with H2O2, but only in stoichiometric amounts. Thus, the decomposition of hydrogen peroxide by these iron(III) complexes cannot reasonably be described as a catalase-likeactivity.