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题名: Coordination Polymers of Silver(I) with Bis(N-heterocyclic Carbene): Structural Characterization and Carbene Transfer
作者: Chiu, Pei-Ling;Chen, Chih-Yuan;Zeng, Jing-Yao;Lu, Chi-Ying;Lee, Hon Man
贡献者: 化學系
日期: 2005-03
上传时间: 2014-08-14T04:29:03Z
出版者: Elsevier
摘要: Reactions of the ethylene- and methylene-bridged bis(imidazolium) salts with an equivalent amount of silver oxide in dichloromethane at room temperature produced readily the silver NHC compounds [Ag2LBr2]. These compounds are partially soluble in DMF. The X-ray structure determination on 3d (L = 1,1′-dibenzyl-3,3′-ethylenediimidazolin-2,2′-diylidene) reveals the formation of bromide bibridged (Ag2LBr2)n chains and a unique supramolecular motif with weak Ag⋯Ag interactions of 3.429 Å. Similar to monomeric silver(I) NHC complexes, the silver coordination polymers can also act as carbene transfer reagents for the formation of chelating palladium NHC complexes in excellent yields.
關聯: Journal of Organometallic Chemistry, 690(6): 1682-1687
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