1671-88-1Relevant articles and documents
Synthesis and characterization of copper(I) complexes with triazole derivative ligands containing an α-diimine moiety
Wang, Wen-Jwu,Lin, Chien-Ho,Wang, Jau-Shuenn,Tang, Shang-Wei
, p. 209 - 219 (2006)
Two cuprous complexes Cu(L1)(PPh3)I (1) and Cu(L2)(PPh3)I (2) were obtained by reaction of Cu(PPh3)3I (PPh3 = triphenylphosphine) with two different α-diimine ligands L1(3, 5-di(2′-pyridyl)
Coligand effects on the architectures and magnetic properties of octahedral cobalt(ii) complexes with easy-axis magnetic anisotropy
Liu, Xiangyu,Luo, Shuchang,Song, Weiming,Wang, Zheng,Wu, Yuewei,Xi, Jing,Yang, Jinhui
, p. 2297 - 2303 (2020)
Two mononuclear azido-cobalt(ii) complexes, with the formulas [Co(3,3-Hbpt)2(N3)2(H2O)2] (1) and [Co(abpt)2(N3)2]·H2O (2) (3,3-Hbpt = 1H-3,5-bis(3-pyridyl)-1,2,4-triazole; abpt = 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole), have been prepared by altering the pyridyl-triazole coligands. In both complexes, the Co(ii) centers feature hexa-coordinated environments with distorted octahedra in which the axial sites are identical, whereas the equatorial environments are finely modulated by the distinct chemical nature of the different coligands. It is worth noting that the distinct intermetallic distances in the two complexes (10.302 ? for 1 and 6.576 ? for 2) unambiguously cause a disparity in intermolecular interactions, implying their dissimilar magnetic behaviours. As a result, alternating current dynamic susceptibility measurements show that only 2 exhibits field-induced slow relaxation of magnetization with an effective energy barrier of 11.29 K, though large easy-axis magnetic anisotropies for both complexes are unveiled by combined analyses of the magnetic data and ab initio calculations.
Probing the dinucleating behaviour of a bis-bidentate ligand: Synthesis and characterisation of some di- and mononuclear cobalt(II), nickel(II), copper(II) and zinc(II) complexes of 3,5-di(2-pyridyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4- triazole
Klingele, Marco H.,Boyd, Peter D. W.,Moubaraki, Boujemaa,Murray, Keith S.,Brooker, Sally
, p. 573 - 589 (2006)
As a probe of the dinucleating ability of the known but little studied bis-bidentate ligand 3,5-di(2-pyridyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazole (pldpt) its reactivity towards MX2·6H2O (M = CoII, NiII and ZnII; X = ClO4- and BF 4-) as well as Cu(ClO4)2· 6H2O, in a 1:1 metal-to-ligand molar ratio in MeCN, has been investigated. In the case of CoII, NiII and Zn II, these reactions gave dinuclear complexes MII 2(pldpt)2-X4(MeCN)m(H 2O)n, whereas for CuII initially the mononuclear complex [CuII(pldpt)2(ClO4) 2] was isolated, followed by the dinuclear complex [Cu II2(pldpt)2(MeCN)2(H 2O)2](ClO4)4. The use of the strongly polar aprotic co-solvent DMF resulted in the partial breakdown of the initial dinuclear entities in the case of CoII and NiII but not in the case of ZnII. In all five of the structurally characterised dinuclear complexes the (N′,N1,N 2,N″)2 double-bridging coordination mode is realised with distorted octahedral N4Y2-coordinated metal centres (Y = DMF, H2O or MeCN). The two mononuclear complexes feature the common trans-(N′,N1)2 coordination mode with axial DMF or ClO4- co-ligands. The near-perpendicular orientation [82.4(3)-88.8(1)°] of the π-electron-rich 4-(1H-pyrrol-1-yl) substituent with respect to the triazole ring of pldpt, observed in all of these structures, means that no π-interactions are expected between these rings so any electronic interaction is likely to be small. Whether a di- or mononuclear complex of pldpt forms is therefore primarily determined by a number of other factors, including the reaction stoichiometry, the nature of the counterions and the solvent, as well as the relative solubility of the various possible products. Clearly the nature of the N4 substituent can have a major impact on the last of these factors. Magnetic studies carried out on the dinuclear complexes revealed that the triazole bridges mediate relatively weak antiferromagnetic coupling between the two metal centres. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.
A practical strategy for construction and regulation of multi-functional triazepinium salts via highly efficient I2-catalyzed cyclization
Liu, Lang,She, Mengyao,Zhang, Jun,Wang, Zhaohui,Liu, Hua,Tang, Mi,Liu, Ping,Zhang, Shengyong,Li, Jianli
supporting information, p. 3111 - 3116 (2020/06/18)
Synthesis of new functional organic molecules is a critical path that may greatly accelerate the evolution of organic optoelectronic materials. We have achieved a facile synthesis strategy to produce unique saddle-shaped multi-functional triazepinium salt
