Exploring reactivity of a bis-sulfonium zirconocene-ate dimer: Synthesis of various zwitterionic phosphonium anionic zirconocene complexes

被引：1

作者：

Ortega, Esteban ^{[1
]}

Pirio, Nadine ^{[1
]}

Richard, Philippe ^{[1
]}

Meunier, Philippe ^{[1
]}

机构：

[1] Univ Bourgogne, CNRS, Inst Chim Mol, UMR 5260, F-21078 Dijon, France

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2007年 / 692卷 / 21期

关键词：

Zwitterionic complexes; zirconocene-ate; anionic zirconocene; phosphonium; sulfonium; chalcogens;

D O I：

10.1016/j.jorganchem.2007.06.017

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Formal [3+2] cycloaddition reactions between the bis-sulfonium zirconocene-ate dimer [GRAPHICS] 1a and methylpropiolate, benzaldehyde and carbon disulfide afforded stable zwitterionic phosphonium zirconocene-ate complexes 2-4, respectively, with two orthocondensed five-membered heterocycles. X-ray crystal structure of 4 has been determined. Elemental chalcogens (S, Se, Te) gave rise also to a new variety of five-coordinate zirconium(IV) complexes (5-7) by a formal [3+1] cycloaddition reaction. In these bicyclic zirconates, sulfur is included in a five-membered ring while the second chalcogen is in a four-membered one. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：4669 / 4674

页数：6

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