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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Mononuclear cycloplatinated complexes derived from 2-tolylpyridine with N-donor ligands: Reactivity and structural characterization
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Mononuclear cycloplatinated complexes derived from 2-tolylpyridine with N-donor ligands: Reactivity and structural characterization

机译:衍生自2-tolylpyridine与N-供体配体的单核环铂络合物:反应性和结构表征

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摘要

The cycloplatinated dichloro-bridged complex [(2-Tolpy)Pt(μ-Cl)] _2 (1), obtained by treatment of 2-tolylpyridine with K _2PtCl _4, reacts with different N-donor ligands in a 1:2 molar ratio in chloroform to give the corresponding mononuclear complexes [(2-Tolpy)Pt(L)Cl] [L = pyridine (2), 2-trifluoromethylpyridine (3), 3-trifluoromethylpyridine (4), 4-trifluoromethylpyridine (5), 2,6-dibromopyridine (6), 2-tolylpyridine (7) and morpholine (8)]. Compounds 2-5 and 8 exist as a single isomer in solution which show a trans-C,Cl geometry. In the case of compounds 6 and 7 a mixture of two isomers (trans-C,Cl and trans-C,L) was obtained and its relative ratio depends on the temperature. The crystal and molecular structures of compounds 5 and 7 were determined by X-ray crystallography.
机译:通过用K _2PtCl _4处理2-甲苯基吡啶而获得的环镀二氯桥联络合物[(2-Tolpy)Pt(μ-Cl)] _2(1)与不同的N供体配体以1:2摩尔比反应在氯仿中得到相应的单核络合物[(2-Tolpy)Pt(L)Cl] [L =吡啶(2),2-三氟甲基吡啶(3),3-三氟甲基吡啶(4),4-三氟甲基吡啶(5),2 ,6-二溴吡啶(6),2-甲苯基吡啶(7)和吗啉(8)]。化合物2-5和8以单一异构体的形式存在于溶液中,表现出反式C,Cl的几何形状。在化合物6和7的情况下,获得两种异构体的混合物(反式-C,Cl和反式-C,L),其相对比取决于温度。通过X射线晶体学测定化合物5和7的晶体和分子结构。

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