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2-二苯基膦-3-甲基吲哚的金属配合物。

Coinage metal complexes of 2-diphenylphosphino-3-methylindole.

机构信息

University of Eastern Finland, Joensuu, 80101, Finland.

出版信息

Dalton Trans. 2011 Aug 21;40(31):7927-33. doi: 10.1039/c1dt10564g. Epub 2011 Jul 11.

DOI:10.1039/c1dt10564g
PMID:21743924
Abstract

Coordination of P,N indolyl-phosphine ligands to Au(I), Ag(I) and Cu(I) metal ions under weakly basic conditions results in easy deprotonation of the indolyl N-H function and effective formation of a family of homo- and heterobimetallic complexes MM'(PPh(2)C(9)H(7)N)(2) (M = M' = Au (2), Ag (5); M = Au, M' = Cu (3), Ag (4)). The latter (4) exists as an inseparable mixture of four different complexes, which are in equilibrium driven by slow dynamics. The reaction of silver(I) and copper(I) ions with PPh(2)(C(9)H(8)N) affords a rare tetranuclear Z-shaped cluster Ag(2)Cu(2)(PPh(2)C(9)H(7)N)(4) (6), which exhibits red luminescence in solid state (650 nm) and a weak dual emission in solution with the main component in the near-IR region (746 nm).

摘要

在弱碱性条件下,P,N-吲哚膦配体与 Au(I),Ag(I)和 Cu(I)金属离子配位,导致吲哚 N-H 功能易于去质子化,并有效形成一系列同和异双金属配合物 MM'(PPh(2)C(9)H(7)N)(2)(M = M'= Au(2),Ag(5); M = Au,M'= Cu(3),Ag(4))。后者(4)作为四个不同配合物的不可分割混合物存在,通过缓慢动力学平衡驱动。银(I)和铜(I)离子与 PPh(2)(C(9)H(8)N)的反应得到罕见的四核 Z 形簇 Ag(2)Cu(2)(PPh(2)C(9)H(7)N)(4)(6),其在固态(650nm)下表现出红色发光,并在溶液中具有弱双重发射,主要成分位于近红外区域(746nm)。

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