Synthesis and Characterization of Archetypal Ladder-Like Dibutyloxotin Cluster Derived from Sterically Encumbered 4-[(<Emphasis Type="Italic">E</Emphasis>)-2-(4-hydroxy-5-methylphenyl)-1-diazenyl]benzoate期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Synthesis and Characterization of Archetypal Ladder-Like Dibutyloxotin Cluster Derived from Sterically Encumbered 4-[(<Emphasis Type="Italic">E</Emphasis>)-2-(4-hydroxy-5-methylphenyl)-1-diazenyl]benzoate

Authors:	Tushar S Basu Baul Mihaela-Diana Şerb Ulli Englert

Institution:	1.Centre for Advanced Studies in Chemistry,North-Eastern Hill University,Shillong,India;2.Faculty of Applied Chemistry and Materials Science,Politehnica University of Bucharest,Bucharest,Romania;3.Institut für Anorganische Chemie,RWTH Aachen University,Aachen,Germany

Abstract:	Reaction of Bu₂SnO with 4-(E)-2-(4-hydroxy-5-methylphenyl)-1-diazenyl]benzoic acid in toluene yielded a tetranuclear tin cluster {Bu₂Sn(O₂CC₆H₄(N=N(C₆H₃-4-OH-5-CH₃))-p)]₂O}₂·2EtOH (1). The complex 1 was characterized using IR spectroscopy, NMR, elemental analysis and single-crystal X-ray diffraction. The compound is a centrosymmetric tetranuclear bis(dicarboxylatotetrabutyldistannoxane) complex containing a planar Sn₄O₂ core in which two μ ₃-oxo O-atoms connect an Sn₂O₂ ring to two exocyclic Sn-atoms. The four carboxylate ligands display two different modes of coordination: syn–syn O, O′-bridging and mono atomic bridge. In the complex, the geometry around the tin atoms is distorted trigonal bipyramidal with an additional longer Sn···O contact.

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