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Issue 37, 2014
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Two coordination polymers constructed from a multidentate carboxylic acid ligand with a tertiary amine serve as acid–base catalysts for the synthesis of chloropropene carbonate from CO2 under atmospheric pressure

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Abstract

Two new coordination polymers, [Ni(H2O)(Hpdcd)(H2O)2]·DMF (1) and [Co(H2O)(Hpdcd)(H2O)2]·DMF (2) (H3pdcd = 1-(4-carboxyphenyl)-2,5-dimethyl, 1H-pyrrole-3,4-dicarboxylic acid), which were designed based on a tertiary amine ligand, were synthesized and characterized using multiple spectroscopy techniques, including single-crystal X-ray diffraction. These two 1D linear chains possess the properties of both a Lewis acid and organic base, which was confirmed by temperature programmed desorption of ammonia and on-line mass spectrometry (NH3-TPD-MS), and selective sorption for carbon dioxide. Due to their acid–base properties, the compounds exhibited high catalytic activity, in the absence of co-catalysts, for solvent-free synthesis of chloropropene carbonate from CO2 and epichlorohydrin under atmospheric CO2 pressure. The yields of chloropropene carbonate were 88% and 87% for 1 and 2, respectively, under the optimized conditions.

Graphical abstract: Two coordination polymers constructed from a multidentate carboxylic acid ligand with a tertiary amine serve as acid–base catalysts for the synthesis of chloropropene carbonate from CO2 under atmospheric pressure

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Publication details

The article was received on 27 Mar 2014, accepted on 28 Jul 2014 and first published on 28 Jul 2014


Article type: Paper
DOI: 10.1039/C4DT00908H
Citation: Dalton Trans., 2014,43, 13965-13971
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    Two coordination polymers constructed from a multidentate carboxylic acid ligand with a tertiary amine serve as acid–base catalysts for the synthesis of chloropropene carbonate from CO2 under atmospheric pressure

    C. Chen, J. Zhang, G. Li, P. Shen, H. Jin and N. Zhang, Dalton Trans., 2014, 43, 13965
    DOI: 10.1039/C4DT00908H

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