Synthesis and characterization of novel intramolecularly O,C,O-coordinated heteroleptic organostannylenes and their tungstenpentacarbonyl complexes

被引：12

作者：

Kasna, Blanka ^{[1
,2
]}

Jambor, Roman ^{[1
]}

Schuerman, Markus ^{[2
]}

Jurkschat, Klaus ^{[2
]}

机构：

[1] Univ Pardubice, Fac Chem Technol, Dept Gen & Inorgan Chem, CZ-53210 Pardubice, Czech Republic

[2] Tech Univ, Lehrstuhl Anorgan Chem 2, D-44221 Dortmund, Germany

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2008年 / 693卷 / 21-22期

关键词：

pincer-type ligand; stannylene; tungsten pentacarbonyl complex; X-ray diffraction analysis; intramolecular coordination;

D O I：

10.1016/j.jorganchem.2008.07.022

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The syntheses are reported of the novel heteroleptic organostannylenes [2,6-(ROCH(2))(2)C(6)H(3)]SnCl (1, R = Me; 2, R = t-Bu) and of their tungstenpentacarbonyl complexes [2,6-(ROCH(2))(2)C(6)H(3)](X)SnW(CO)(5) (3, X = Cl, R = Me; 4, X = Cl, R = t-Bu; 5, X = H, R = Me). The compounds were characterized by means of elemental analyses, (1)H, (13)C, (119)Sn NMR spectroscopies, electrospray mass spectrometry and in case of 3 and 4 also by single crystal X-ray diffraction analysis. For the two latter compounds the substituents bound at the ether oxygen atom control the strength of intramolecular O -> Sn coordination. Thus, the O-Sn distances amount to 2.391(5)/2.389(5) (3) and 2.464(3)/2.513(3) angstrom (4). (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：3446 / 3450

页数：5

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