Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media

This mini-review presents a general overview of the progress achieved during the last decade on the amalgamation of CuAAC processes (copper-catalyzed azide-alkyne cycloaddition) with the employment of sustainable solvents as reaction media. In most of the presented examples, the use of water, glycer...

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Main Authors: Noel Nebra, Joaquín García-Álvarez
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/9/2015
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author Noel Nebra
Joaquín García-Álvarez
author_facet Noel Nebra
Joaquín García-Álvarez
author_sort Noel Nebra
collection DOAJ
description This mini-review presents a general overview of the progress achieved during the last decade on the amalgamation of CuAAC processes (copper-catalyzed azide-alkyne cycloaddition) with the employment of sustainable solvents as reaction media. In most of the presented examples, the use of water, glycerol (<i>Gly</i>), or deep eutectic solvents (<i>DESs</i>) as non-conventional reaction media allowed not only to recycle the catalytic system (thus reducing the amount of the copper catalyst needed per mole of substrate), but also to achieve higher conversions and selectivities when compared with the reaction promoted in hazardous and volatile organic solvents (<i>VOCs</i>). Moreover, the use of the aforementioned green solvents also permits the improvement of the overall sustainability of the Cu-catalyzed 1,3-dipolar cycloaddition process, thus fulfilling several important principles of green chemistry.
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spelling doaj.art-f3cb56175d6948d3a9dea395fe98139c2023-11-19T22:44:23ZengMDPI AGMolecules1420-30492020-04-01259201510.3390/molecules25092015Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous MediaNoel Nebra0Joaquín García-Álvarez1UPS, CNRS, LHFA UMR 5069, Université de Toulouse, 118 Route de Narbonne, 31062 Toulouse, FranceDepartamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (IUQOEM), Facultad de Química, Universidad de Oviedo, E-33071 Oviedo, SpainThis mini-review presents a general overview of the progress achieved during the last decade on the amalgamation of CuAAC processes (copper-catalyzed azide-alkyne cycloaddition) with the employment of sustainable solvents as reaction media. In most of the presented examples, the use of water, glycerol (<i>Gly</i>), or deep eutectic solvents (<i>DESs</i>) as non-conventional reaction media allowed not only to recycle the catalytic system (thus reducing the amount of the copper catalyst needed per mole of substrate), but also to achieve higher conversions and selectivities when compared with the reaction promoted in hazardous and volatile organic solvents (<i>VOCs</i>). Moreover, the use of the aforementioned green solvents also permits the improvement of the overall sustainability of the Cu-catalyzed 1,3-dipolar cycloaddition process, thus fulfilling several important principles of green chemistry.https://www.mdpi.com/1420-3049/25/9/2015CuAACwaterglyceroldeep eutectic solventscycloadditionsgreen chemistry
spellingShingle Noel Nebra
Joaquín García-Álvarez
Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
Molecules
CuAAC
water
glycerol
deep eutectic solvents
cycloadditions
green chemistry
title Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
title_full Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
title_fullStr Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
title_full_unstemmed Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
title_short Recent Progress of Cu-Catalyzed Azide-Alkyne Cycloaddition Reactions (CuAAC) in Sustainable Solvents: Glycerol, Deep Eutectic Solvents, and Aqueous Media
title_sort recent progress of cu catalyzed azide alkyne cycloaddition reactions cuaac in sustainable solvents glycerol deep eutectic solvents and aqueous media
topic CuAAC
water
glycerol
deep eutectic solvents
cycloadditions
green chemistry
url https://www.mdpi.com/1420-3049/25/9/2015
work_keys_str_mv AT noelnebra recentprogressofcucatalyzedazidealkynecycloadditionreactionscuaacinsustainablesolventsglyceroldeepeutecticsolventsandaqueousmedia
AT joaquingarciaalvarez recentprogressofcucatalyzedazidealkynecycloadditionreactionscuaacinsustainablesolventsglyceroldeepeutecticsolventsandaqueousmedia