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Copper sulphate immobilized on P(AN-NIPAM-MBAM) terpolymer as a highly efficient catalyst for the selective reduction of nitro-arenes

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Title Copper sulphate immobilized on P(AN-NIPAM-MBAM) terpolymer as a highly efficient catalyst for the selective reduction of nitro-arenes
 
Creator Kalola, Anirudhdha G
Prasad, Pratibha
Hingrajiya, Roshni D
Patel, Manish P
 
Subject Copper sulphate
Nitro-arenes
Hydrogenation
Heterogeneous catalyst
 
Description 644-655
A new copper sulphate anchored to an acrylonitrile-N-isopropylacrylamide-bisacrylamide based P(AN-NIPAM-MBAM) terpolymer support has been employed as a catalyst for the hydrogenation of varied substituted nitro-arenes affording corresponding amines with excellent yield. Application of hydrogen source from NaBH4 in combination with NaOH under water and/or methanol solvent system at 50-55°C has been investigated. The terpolymer and catalyst have been characterized by ICP-OES, FT-IR, TGA, SEM and EDAX analysis methods. Different parameters supporting chemo-selective hydrogenation such as concentration of NaBH4, TP-CuSO4, assisting base and solvents have been investigated. Controllable vigorous H2 gas evolution, low-temperature requirement, feasibility under air atmosphere, low catalyst loading, use of non-toxic reagents and solvents, high isolated yield, easy work-up procedure, purification without involving tedious column or flash chromatographic separation techniques, makes this protocol highly significant from the implementation point of view.
 
Date 2023-06-15T06:16:17Z
2023-06-15T06:16:17Z
2023-06
 
Type Article
 
Identifier 2583-1321 (Online); 0019-5103 (Print)
http://nopr.niscpr.res.in/handle/123456789/62029
https://doi.org/10.56042/ijc.v62i6.2534
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJC Vol.62(06) [June 2023]