Chromium-templated benzannulation and haptotropic metal migration

被引：49
作者：
Dötz, KH [1 ]
Wenzel, B [1 ]
Jahr, HC [1 ]
机构：
[1] Kekule Inst Organ Chem & Biochem, Gerhard Domagk Str 1, D-53121 Bonn, Germany
来源：
TEMPLATES IN CHEMISTRY I | 2004年 / 248卷
关键词：
arene complexes; chromium complexes; chromium-templated benzannulation; haptotropic rearrangement; intramolecular rearrangement; ligand substitution; molecular switch;
D O I：
10.1007/b99910
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This review highlights the recent development in intramolecular migration of metal templates along fused arene skeletons. The focus is on the haptotropic rearrangement of a Cr(CO)(3)-fragment along polycyclic aromatic pi-systems. The straightforward and regioselective synthesis of arene-Cr(CO)(3) complexes via chromium-templated [3+2+1]-benzannulation is discussed in the context of mechanistic and synthetic aspects. Proper tuning of the arene substitution pattern and the template coligand sphere allows the design of the haptotropic rearrangement for an application in novel organometallic molecular switches.
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页码：63 / +
页数：5
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