Synthesis and characterization of 2,6-Dipp2-H3C6SnSnC6H3-2,6-Dipp2 (Dipp = C6H3-2,6-Pri2):: A tin analogue of an alkyne

被引：242

作者：

Phillips, AD ^{[1
]}

Wright, RJ ^{[1
]}

Olmstead, MM ^{[1
]}

Power, PP ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 21期

关键词：

D O I：

10.1021/ja0257164

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reaction of Sn(Cl)C6H3-2,6-Dipp2 (Dipp = C6H3-2,6-Pri2) with a stoichiometric amount of potassium in benzene affords 2,6-Pri2-H3C6SnSnC6H3-2,6-Pri2 (1) as dark blue-green crystals. The compound 1 is a tin analogue of an alkyne. It was characterized by 1H and 13C NMR and UV-vis spectroscopy, cyclic voltammetry, combustion analysis and X-ray crystallography. The structural data show that 1 has a trans-bent, planar C(ipso)SnSnC(ipso) skeleton with a Sn-Sn bond distance of 2.6675(4) Å and a Sn-Sn-C angle of 125.24(7)°. The Sn-Sn distance, which is ca. 0.15 Å shorter than a conventional Sn-Sn single bond, and the trans-bent structure indicate the presence Sn-Sn multiple bond character unlike the related singly bonded ArPbPbAr species. Copyright © 2002 American Chemical Society.

引用

页码：5930 / 5931

页数：2

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