ChemistrySelect, Volume (4), No (36), Year (2019-9) , Pages (10920-10927)

Title : ( Co(II)‐Porphyrin Immobilized on Graphene Oxide: An Efficient Catalyst for the Beckmann Rearrangement )

Authors: zohreh ghadamyari , Amir khojastehnezhad golmakani , Seyed Mohammad Seyedi , Ali Shiri ,

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Abstract

In this report, the synthesis of amides from aldoximes (Beckmann rearrangement) has been reported using cobalt(II) porphyrin covalently linked to graphene oxide as a nano heterogeneous catalyst. The prepared catalyst was characterized by applying of FT-IR, TGA, TEM, SEM, EDX, ICP and UV-Vis techniques. All analyses confirm the successful insertion of cobalt into the porphyrin ring and covalently linkage of Co-Porphyrin on the graphene oxide. Moreover, the prepared catalyst was applied in order to investigate its performance in the Beckmann rearrangement. This heterogeneous catalyst exhibited excellent catalytic efficiency with a high yield of products. Also, the suggested catalyst could be recycled for five runs without a dramatic decrease in its catalytic activity or metal leaching.

Keywords

, amides, cobalt, heterogeneous catalyst, metalloporphyrin, oximes
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@article{paperid:1076118,
author = {Ghadamyari, Zohreh and Khojastehnezhad Golmakani, Amir and Seyedi, Seyed Mohammad and Shiri, Ali},
title = {Co(II)‐Porphyrin Immobilized on Graphene Oxide: An Efficient Catalyst for the Beckmann Rearrangement},
journal = {ChemistrySelect},
year = {2019},
volume = {4},
number = {36},
month = {September},
issn = {2365-6549},
pages = {10920--10927},
numpages = {7},
keywords = {amides; cobalt; heterogeneous catalyst; metalloporphyrin; oximes},
}

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%0 Journal Article
%T Co(II)‐Porphyrin Immobilized on Graphene Oxide: An Efficient Catalyst for the Beckmann Rearrangement
%A Ghadamyari, Zohreh
%A Khojastehnezhad Golmakani, Amir
%A Seyedi, Seyed Mohammad
%A Shiri, Ali
%J ChemistrySelect
%@ 2365-6549
%D 2019

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