Issue 38, 2013

Six new 3d–4f heterometallic coordination polymers constructed from pyrazole-bridged CuIILnIII dinuclear units

Abstract

Reactions of lanthanide chlorides, copper hydroxycarbonate and 3,5-pyrazole dicarboxylic acid (H3pdc) under hydrothermal conditions result in six new 3d–4f heterometallic coordination polymers with two types of structures. Compounds [CuLn2(pdc)2(Hpdc)(H2O)4]·2H2O (Ln = Tb (1), Dy (2), Er (3), and Y (4) exhibit a layered porous structure, made up of CuIILnIII di-nuclear units which are connected by protonated Hpdc2− ligand, while the others [Cu3Ln4(pdc)6(H2O)8] (Ln = Eu (5), Gd (6)) display a three-dimensional (3-D) framework structure, in which six CuIILnIII di-nuclear units are cross-linked by two coordinated lanthanide atoms. The catalytic properties of 3 are investigated showing its activity and recyclability in the reaction of cyclopropanation of styrene.

Graphical abstract: Six new 3d–4f heterometallic coordination polymers constructed from pyrazole-bridged CuIILnIII dinuclear units

Supplementary files

Article information

Article type
Paper
Submitted
17 Apr 2013
Accepted
17 Jul 2013
First published
19 Jul 2013

Dalton Trans., 2013,42, 13997-14005

Six new 3d–4f heterometallic coordination polymers constructed from pyrazole-bridged CuIILnIII dinuclear units

T. Yang, A. R. Silva and F. Shi, Dalton Trans., 2013, 42, 13997 DOI: 10.1039/C3DT51015H

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