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Preparation of an efficient catalyst through injection of CuI on modified poly (styrene‐co‐maleic anhydride) and theoretical investigation of the structural and electronic properties of catalyst
Author(s) -
Zoghi Rozita,
Heravi Majid M.,
Montazeri Naser,
Zeydi Masoud Mohammadi,
Hosseinnejad Tayebeh
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5435
Subject(s) - chemistry , maleic anhydride , catalysis , styrene , polymer chemistry , sodium azide , click chemistry , polymer , nuclear chemistry , organic chemistry , copolymer
A novel polymer supported [poly (styrene‐co‐maleic imide) (SMI)]Cu(I) nano‐particles was prepared via in situ reaction of 4‐amino‐5‐methyl‐4 H ‐1,2,4‐triazole‐3‐thione with [poly (styrene‐co‐maleic anhydride)] (SMA) along with immobilization of CuI. These nano‐particles were fully characterized by using scanning electron microscopy (SEM), energy dispersive spectroscopy analysis, Xray (EDAX), inductively coupled plasma (ICP) analysis, 1 H NMR and FT‐IR techniques. Moreover, the structural and electronic features of metal–ligand interactions in the complex model of polymer‐supported copper nanocatalyst were assessed using density functional theory calculations. The catalytic activity of these supported Cu(I) nonoparticles was examined in one of the classiest name reaction so–called “click reaction” which is coined K. B Sharpless for the regioselective synthesis of 1,2,3‐triazole derivatives using a multicomponent reaction (MCR) involving benzyl halides, sodium azide and terminal alkynes in water as a green solvent. This heterogeneous catalyst showed excellent catalytic activity and was separated by simple filtration and was used at least in five consecutive runs without a significant decrease in its activity.

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