期刊
DALTON TRANSACTIONS
卷 40, 期 28, 页码 7249-7263出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0dt01660h
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology
- Grants-in-Aid for Scientific Research [23350026, 23651091] Funding Source: KAKEN
Developments in the rational creation of chiral multinuclear and metallosupramolecular compounds based on linear-type metal complexes with penicillaminate (pen), as well as their functionality as a multidentate chiral metalloligand, is the main subject of this paper. The reactions of a mononuclear Au-I complex, [Au(D-pen)(2)](3-), in which two D-pen ligands bind to an AuI center through thiolato S atoms, with transition metal ions afford a variety of S-bridged heterobimetallic multinuclear complexes, the structures and properties of which are highly dependent on the nature of reacting metal ions. The created multinuclear complexes still act as a metalloligand when they possess free amine and/or carboxylate groups, leading to the formation of heterotrimetallic supramolecular structures by reacting with third metal ions. While the Au S bonds in [Au(D-pen)2](3-) are generally retained in the course of the reactions with metal ions, this is not the case for the Hg-S bonds in the corresponding Hg-II complex, [Hg(D-pen)2](2-). A remarkable chiral behavior of multinuclear complexes composed of [Au(L-cys)(2)](3-) (cys = cysteinate), which is opposite to that composed of [Au(L-pen)(2)](3-), is also presented.
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