Cyclophosphazene-based multi-site coordination ligands
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- 作者：Vadapalli Ch ; rasekhar ; Pakkirisamy Thilagar ; Balasubramanian Murugesa P ; ian
- 关键词：Cyclophosphazenes ; Cyclophosphazene ligands ; Multi-site coordination ligands ; Polymeric ligands ; Aminocyclophosphazenes ; Metal complexes ; Heterobimetallic complexes
- 刊名：Coordination Chemistry Reviews
- 出版年：2007
- 出版时间：May 2007
- 年：2007
- 卷：251
- 期：9-10
- 页码：1045-1074
- 全文大小：4214 K
文摘
This review deals with the recent developments in the design, assembly and utility of cyclophosphazene-based ligands. The reactive periphery of the chlorocyclophosphazenes allows their ready elaboration into a variety of multi-site coordination ligands such as pyrazolylcyclophosphazenes, cyclophosphazene hydrazides, pyridyloxycyclophosphazenes, pyridylaminocyclophosphazenes, phosphine-containing cyclophosphazenes, etc. The versatile coordination behavior of these diverse ligand systems is described. The extension of the small-molecule chemistry to the more complex polymer systems, which has been done in a few systems, is described. The utility of aminocyclophosphazenes for preparing multi-metallic architectures is also discussed.