Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters

Amide functional groups are prominent in a broad range of organic compounds with diverse beneficial applications. In this work, we report the synthesis of these functional groups via an iron(iii) chloride-catalyzed direct amidation of esters. The reactions are conducted under solvent-free conditions...

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Main Authors: Blessing D. Mkhonazi, Malibongwe Shandu, Ronewa Tshinavhe, Sandile B. Simelane, Paseka T. Moshapo
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/5/1040
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author Blessing D. Mkhonazi
Malibongwe Shandu
Ronewa Tshinavhe
Sandile B. Simelane
Paseka T. Moshapo
author_facet Blessing D. Mkhonazi
Malibongwe Shandu
Ronewa Tshinavhe
Sandile B. Simelane
Paseka T. Moshapo
author_sort Blessing D. Mkhonazi
collection DOAJ
description Amide functional groups are prominent in a broad range of organic compounds with diverse beneficial applications. In this work, we report the synthesis of these functional groups via an iron(iii) chloride-catalyzed direct amidation of esters. The reactions are conducted under solvent-free conditions and found to be compatible with a range of amine and ester substrates generating the desired amides in short reaction times and good to excellent yields at a catalyst loading of 15 mol%.
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spelling doaj.art-3b60eca0c63540d0b3fed629668dfd262022-12-22T02:40:31ZengMDPI AGMolecules1420-30492020-02-01255104010.3390/molecules25051040molecules25051040Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of EstersBlessing D. Mkhonazi0Malibongwe Shandu1Ronewa Tshinavhe2Sandile B. Simelane3Paseka T. Moshapo4Research Centre in Synthesis and Catalysis, Department of Chemical Science, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South AfricaResearch Centre in Synthesis and Catalysis, Department of Chemical Science, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South AfricaResearch Centre in Synthesis and Catalysis, Department of Chemical Science, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South AfricaDepartment of Chemistry, University of Eswatini, Private Bag 4, Kwaluseni M201, EswatiniResearch Centre in Synthesis and Catalysis, Department of Chemical Science, University of Johannesburg, P.O. Box 524, Auckland Park 2006, South AfricaAmide functional groups are prominent in a broad range of organic compounds with diverse beneficial applications. In this work, we report the synthesis of these functional groups via an iron(iii) chloride-catalyzed direct amidation of esters. The reactions are conducted under solvent-free conditions and found to be compatible with a range of amine and ester substrates generating the desired amides in short reaction times and good to excellent yields at a catalyst loading of 15 mol%.https://www.mdpi.com/1420-3049/25/5/1040amidationiron(iii) chlorideamidesesterssolvent-free
spellingShingle Blessing D. Mkhonazi
Malibongwe Shandu
Ronewa Tshinavhe
Sandile B. Simelane
Paseka T. Moshapo
Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
Molecules
amidation
iron(iii) chloride
amides
esters
solvent-free
title Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
title_full Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
title_fullStr Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
title_full_unstemmed Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
title_short Solvent-Free Iron(III) Chloride-Catalyzed Direct Amidation of Esters
title_sort solvent free iron iii chloride catalyzed direct amidation of esters
topic amidation
iron(iii) chloride
amides
esters
solvent-free
url https://www.mdpi.com/1420-3049/25/5/1040
work_keys_str_mv AT blessingdmkhonazi solventfreeironiiichloridecatalyzeddirectamidationofesters
AT malibongweshandu solventfreeironiiichloridecatalyzeddirectamidationofesters
AT ronewatshinavhe solventfreeironiiichloridecatalyzeddirectamidationofesters
AT sandilebsimelane solventfreeironiiichloridecatalyzeddirectamidationofesters
AT pasekatmoshapo solventfreeironiiichloridecatalyzeddirectamidationofesters