Synthesis of palladium(II) 3d-metal(II) paddlewheel acetate-bridged heterodimetallic complexes: Unexpected catalysis by water molecules

被引:40
作者
Akhmadullina, Nailya S. [1 ]
Cherkashina, Natalia V. [1 ]
Kozitsyna, Natalia Yu. [1 ]
Stolarov, Igor P. [1 ]
Perova, Elena V. [1 ]
Gekhman, Alexander E. [1 ]
Nefedov, Sergei E. [1 ]
Vargaftik, Michael N. [1 ]
Moiseev, Ilya I. [1 ]
机构
[1] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia
基金
俄罗斯基础研究基金会;
关键词
Palladium complexes; Heterodimetallic complexes; Kinetics; Reaction mechanism; X-ray structure; ACTIVE-SITE; CARBOXYLATES; MECHANISM; CLUSTER;
D O I
10.1016/j.ica.2008.09.042
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A study of the reaction kinetics between the trinuclear palladium(II) acetate Pd-3(mu-OOCMe)(6) (1) and the mononuclear 3d-metal (Ni-II, Co-II, Cu-II) acetates in acetic acid under water-specified conditions revealed a fairly complicated reaction mechanism triggered by the primary hydrolytic cleavage of an acetate bridge in molecule 1. The isolated reaction products, as established by X-ray diffraction study, are 1D polymeric complexes {Pd(mu-OOCMe)(4)M(OH2)(HOOCMe)(2)}(n) (M = Ni-II, Co-II, Cu-II, Mn-II, Zn-II) built of the Pd-II-based paddlewheel units [Pd(mu-OOCMe)(4)M] and linked trough the H- bonded H2O and MeCOOH molecules. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:1943 / 1951
页数:9
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