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Crystals 2017, 7(3), 72; doi:10.3390/cryst7030072

Synthesis, Crystal Structure and Catalytic Activity of a 1D Chained Ca(II) Coordination Polymer with 3,5-Bis(4-pyridylmethoxy)benzoate Ligand

1
College of Information and Engineering, Weifang University, Weifang 261061, China
2
Department of Chemistry, Qinghai Normal University, Xining 810008, China
3
College of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
*
Author to whom correspondence should be addressed.
Academic Editor: Qingfeng Yan
Received: 9 January 2017 / Revised: 14 February 2017 / Accepted: 1 March 2017 / Published: 6 March 2017
(This article belongs to the Section Crystal Engineering)
View Full-Text   |   Download PDF [2739 KB, uploaded 6 March 2017]   |  

Abstract

A new 1D chained Ca(II) coordination polymer—namely, [CaL2(H2O)2]n (HL = 3,5-bis(4-pyridylmethoxy)benzoic acid)—was synthesized though the reaction of Ca(ClO4)2·4H2O, 3,5-bis(4-pyridylmethoxy)benzoic acid and NaOH in H2O/CH3CH2OH (v:v = 1:2) solution. Its structure was determined by elemental analysis, infrared spectrum, and single-crystal XRD. Structural analyses show that each Ca(II) ion is eight-coordinated by six oxygen atoms of four 3,5-bis(4-pyridylmethoxy)benzoate ligands and two oxygen atoms of two coordinated H2O molecules to form a square-antiprismatic CaO8 polyhedron. The Ca(II) complex displays a 1D chained structure constructed by the bridging effect of the bidentate carboxyl group of 3,5-bis(4-pyridylmethoxy)benzoate ligand. The catalytic activity of the Ca-complex was tested for the preparation of propargylamine in the A3 coupling reaction. View Full-Text
Keywords: 3,5-bis(4-pyridylmethoxy)benzoate; 1D chained structure; Ca(II) coordination polymer; synthesis; structural characterization 3,5-bis(4-pyridylmethoxy)benzoate; 1D chained structure; Ca(II) coordination polymer; synthesis; structural characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, L.-H.; Wang, X.; Tai, X.-S. Synthesis, Crystal Structure and Catalytic Activity of a 1D Chained Ca(II) Coordination Polymer with 3,5-Bis(4-pyridylmethoxy)benzoate Ligand. Crystals 2017, 7, 72.

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