Kitchen, Jonathan A.; Noble, Andy; Brandt, Carsten D.; Moubaraki, Boujemaa; Murray, Keith S.; Brooker, Sally published the article 《High and Low Spin Mononuclear and Dinuclear Iron(II) Complexes of 4-Amino and 4-Pyrrolyl-3,5-di(2-pyridyl)-4H-1,2,4-triazoles》. Keywords: iron aminopyridyltriazole pyrrolylpyridyltriazole chloro mononuclear dinuclear preparation magnetic property; crystal structure iron aminopyridyltriazole pyrrolylpyridyltriazole chloro mononuclear dinuclear.They researched the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1 ).SDS of cas: 1671-88-1. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1671-88-1) here.
The 1st dinuclear iron(II) complexes of any 4-substituted 3,5-di(2-pyridyl)-4H-1,2,4-triazole ligands, [FeII2(adpt)2(H2O)1.5(CH3CN)2.5](BF4)4 and [FeII2(pldpt)2(H2O)2(CH3CN)2](BF4)4, are presented [where adpt is 4-amino-3,5-di(2-pyridyl)-4H-1,2,4-triazole and pldpt is 4-pyrrolyl-3,5-di(2-pyridyl)-4H-1,2,4-triazole]. Both dinuclear complexes feature doubly triazole bridged iron(II) centers that are [high spin-high spin] at all temperatures, 4-300 K, and to exhibit weak antiferromagnetic coupling. In the analogous monometallic complexes, [FeII(Rdpt)2(X)2]n+, the spin state of the iron(II) center was controlled by appropriate selection of the axial ligands X. Specifically, both of the chloride complexes, [FeII(adpt)2(Cl)2]·2MeOH and [FeII(pldpt)2(Cl)2]·2MeOH·H2O, are high spin whereas the pyridine adduct [FeII(adpt)2(py)2](BF4)2 was low spin. Attempts to prepare [FeII(pldpt)2(py)2](BF4)2 and the dinuclear analogs [FeII2(Rdpt)2(py)4](BF4)4 failed, illustrating the significant challenges faced in attempts to develop control over the nature of the product obtained from reactions of iron(II) and these bis-bidentate ligands.
《High and Low Spin Mononuclear and Dinuclear Iron(II) Complexes of 4-Amino and 4-Pyrrolyl-3,5-di(2-pyridyl)-4H-1,2,4-triazoles》 provides a strategy for the preparation of materials with excellent comprehensive properties, which is conducive to broaden the application field of this compound(3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine)SDS of cas: 1671-88-1.
Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem