Catalytic properties of a cobalt metal-organic framework with a zwitterionic ligand synthesized in situ

Dalton Transactions : an International Journal of Inorganic Chemistry
T A GrigoloE A de Campos

Abstract

Herein we describe the high yield synthesis of a highly crystalline cobalt(ii) MOF with a novel zwitterionic ligand made up of 3,3',4,4'-BPTC and 1,4-cyclohexanediamine, obtained in situ during the hydrothermal synthesis. The compound with the molecular formula C46H38N4O14Co·2H2O has a molecular mass of 965.7783 g mol-1, a triclinic crystalline system (a = 5.86 Å, b = 9.28 Å, c = 19.92 Å, α = 83.93°, β = 88.01°, γ = 78.59), it is thermally stable up to 300 °C and presents structural stability before and after removing the solvent molecules from its pores. This novel material showed catalytic properties in an electrophilic substitution reaction of indoles and aldehydes allowing the syntheses of bis(indolyl)methanes in high yields under mild reaction conditions and can be reused at least once with the same catalytic activity.

References

Nov 23, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Yingwei Li, Ralph T Yang
Mar 11, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Yan ChengHirofumi Kanoh
Mar 5, 2014·Journal of the American Chemical Society·Ming-Hua ZengMohamedally Kurmoo
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May 12, 2015·Chemical Society Reviews·Adeel H ChughtaiFrancis Verpoort
Jan 21, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Ju-Meng HuGuang-Hua Cui

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Citations

Oct 26, 2018·Chemical Communications : Chem Comm·Sheela ThapaYang Qin
Oct 23, 2019·ACS Applied Materials & Interfaces·Jiafei LyuOmar K Farha

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Methods Mentioned

BETA
X-ray
scanning electron microscopy
NMR
column chromatography

Software Mentioned

Mercury

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