Coupling reactions of alkynes with half-open titanocenes:: Agostic (C-C) → Ti interactions in a tetra(alkyne) coupling product with the Ti(C5H5)(c-C8H11) fragment

被引：20

作者：

Harvey, Benjamin G. ^{[1
]}

Arif, Atta M. ^{[1
]}

Ernst, Richard D. ^{[1
]}

机构：

[1] Univ Utah, Dept Chem, Salt Lake City, UT 84112 USA

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2006年 / 691卷 / 24-25期

关键词：

pentadienyl; cyclooctadienyl; agostic; metallacyclobutane; metallacyclobutene;

D O I：

10.1016/j.jorganchem.2006.08.086

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of the half-open titanocene Ti(C5H5)(c-C8H11)(PMe3)(c-C8M11=cyclooctadienyl) with four equivalents of PhC2SiMe3 has been found to lead to an unusual, very electron deficient coupling product, containing both metallacyclobutane and metallacyclobutene fragments. Structural studies of both complexes have been carried out, and for the latter reveal apparent (C-C) -> Ti agostic interactions in both the metallacyclobutane and metallacyclobutene fragments. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：5211 / 5217

页数：7

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