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Title: Carboxylato bridging Cu(II) coordination polymer: Structure, magnetism and catalytic reduction of nitrophenols
Author: Jana, Srikanta
Karim, Suhana
Paul, Sukanya
Zangrando, Ennio
Salah El Fallah, Mohamed
Das, Debasis
Sinha, Chittaranjan
Keywords: Polímers
Issue Date: 5-Dec-2021
Publisher: Elsevier B.V.
Abstract: The 1D coordination polymer, [Cu 2 ( μ2 -OH) 2 (DABA) 2 ] n ( 1 ), (HDABA = 4-Diallylamino-benzoic acid) is characterized by Single crystal X-Ray diffraction analysis. The structure switches to a 2D geometry by hy- drogen bonding interactions. Hand grinding aqueous suspension of the coordination polymer, 1 , present in nano regime of av . 100 nm dimension and shows catalytic performance in the reduction of toxic nitro- phenols to corresponding aminophenols by NaBH 4 . The rate constant values ( κapp ) are 2.4 ×10 −3 (4-NP), 5.3 ×10 −3 (2,4-DNP) and 5.6 ×10 −3 (2,4,6-TNP) s −1 are much higher than reduction by only NaBH 4 . The susceptibility measurements ( χM T ) of Cu(II) coordination polymer indicates the presence of a very weak antiferromagnetic coupling between the metal centres. The hand grinding technique and reusability of 1 makes the approach chemically green, cost effective and attracts the attention towards the real-life application.
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It is part of: Journal of Molecular Structure, 2021, vol. 1245, p. 131058
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ISSN: 0022-2860
Appears in Collections:Articles publicats en revistes (Química Inorgànica i Orgànica)

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