Issue 4, 2011
From the journal:

New Journal of Chemistry

Synthesis, crystal structures, photoluminescence, and catalytic reactivity of novel coordination polymers (0-D, 1-D, 2-D to 3-D) constructed from cis-1,2-cyclohexanedicarboxylic acid and various bipyridyl ligands†

Yu Jin Lee,a   Eun Young Kim,a   Soo Hyun Kim,a   Seung Pyo Jang,a   Tae Geum Lee,a   Cheal Kim,*a   Sung-Jin Kim*b  and  Youngmee Kimb  

* Corresponding authors

a Department of Fine Chemistry, and Eco-Product and Materials Education Center, Seoul National University of Science and Technology, Seoul 139-743, Korea
E-mail: chealkim@snut.ac.kr
Fax: +82 2-973-9149
Tel: +82 2-970-6693

b Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
E-mail: sjkim@ewha.ac.kr
Fax: +82 2-3277-3419
Tel: +82 2-3277-3589

Abstract

Six ZnII–(e,a-cis-1,2-chdc) complexes, [Zn2(1,2-chdc)2(2,2′-bpy)2(H2O)2]·H2O 1, [{Zn2(1,2-chdc)2(H2O)2(μ-bpa)}·4H2O]n2, [{Zn2(μ-1,2-chdc)2(μ-4,4′-bpy)}·3CH3OH]n3, [{Zn2(μ-1,2-chdc)2(μ-bpe)}·2H2O]n4, [[{Zn2(μ-1,2-chdc)2}n-(μ-bpp)-{Zn2(μ-1,2-hdc)2(H2O)2}]·CH3CN·2H2O]n5, and [{Zn2(μ-dtp)2(μ-1,2-chdc)}2·4·5H2O]n6 (1,2-chdc = 1,2-cyclohexanedicarboxylate), with different assistant ligands (2,2′-bipyridine (2,2′-bpy), 1,2-bis(4-pyridyl)ethane (bpa), 1,2-bis(4-pyridyl)ethylene (bpe), 1,3-bis(4-pyridyl)propane (bpp), and, 4,4′-bipyridine (4,4′-bpy) and 4,4′-dithiodipyridine (dtp)) have been synthesized and their structures were determined. Depending on the assistant ligands, the structures and dimensionalities of ZnII–(e,a-cis-1,2-chdc) complexes have been varied. Two carboxylates in e,a-cis-1,2-chdc coordinate to ZnII ions with (11) or (10) connectivity. Photoluminescence study of the compounds 1–6 showed that emission spectra of compounds 1, 2, 4, and 5 were observed at 343 nm for 1, 419 nm for 2, 507 nm for 4, 396 nm for 5, respectively, while no obvious luminescences were displayed for 3 and 6. In addition, it has been found that compound 1 catalyzed the transesterification reaction of phenyl acetate with methanol, with quantitative conversion to methyl acetate, under the neutral conditions, while compounds 2–6 showed very slow conversions. The thermal stabilities of these complexes were also examined.

Graphical abstract: Synthesis, crystal structures, photoluminescence, and catalytic reactivity of novel coordination polymers (0-D, 1-D, 2-D to 3-D) constructed from cis-1,2-cyclohexanedicarboxylic acid and various bipyridyl ligands

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Article information

DOI
https://doi.org/10.1039/C0NJ00869A
Article type
Paper
Submitted
04 Nov 2010
Accepted
20 Dec 2010
First published
19 Jan 2011

New J. Chem., 2011,35, 833-841

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Synthesis, crystal structures, photoluminescence, and catalytic reactivity of novel coordination polymers (0-D, 1-D, 2-D to 3-D) constructed from cis-1,2-cyclohexanedicarboxylic acid and various bipyridyl ligands

Y. J. Lee, E. Y. Kim, S. H. Kim, S. P. Jang, T. G. Lee, C. Kim, S. Kim and Y. Kim, New J. Chem., 2011, 35, 833 DOI: 10.1039/C0NJ00869A

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