Introduction: Photochemical Catalytic Processes

Chemists have been fascinated by visible light since the early days of organic synthesis. (1,2) After all, light offers the ideal form of (renewable) energy, making photochemistry intrinsically connected to sustainability. (3,4) But chemists were also attracted by the synthetic potential of photoche...

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Autor: Melchiorre, Paolo
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2022
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2072/522306
Acceso en línea:http://hdl.handle.net/2072/522306
https://doi.org/10.1021/acs.chemrev.1c00993
Access Level:acceso abierto
Palabra clave:54
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spelling Introduction: Photochemical Catalytic ProcessesMelchiorre, Paolo54Chemists have been fascinated by visible light since the early days of organic synthesis. (1,2) After all, light offers the ideal form of (renewable) energy, making photochemistry intrinsically connected to sustainability. (3,4) But chemists were also attracted by the synthetic potential of photochemistry, which can unlock unique reaction pathways unavailable to conventional ground-state reactivity. This is because the chemical reactivity of excited molecules fundamentally differs from that in the ground state. (5) However, until recently, photochemistry was a specialized area with limited practical applications. The widespread development of general photochemical reactions was hampered by the need for specialized, high-energy light apparatuses and by the scattered absorption properties of organic molecules. In the past decade, the situation has changed dramatically thanks to the advent of photoredox catalysis. (6) This fast-growing area of synthetic chemistry exploits the ability of light-absorbing metal or organic catalysts to harness visible-light energy in order to accelerate chemical processes. For example, the photoexcited catalyst can facilitate access to highly reactive radicals under mild conditions upon activation of substrates using different mechanisms, including energy transfer, photoinduced electron transfer, and atom transfer. The interest in photoredox catalysis also triggered innovation in photocatalysis, where light is directly harvested by a catalytic intermediate (direct excitation) to promote unusual reactivity manifolds.2022info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion1483 p.application/pdfhttp://hdl.handle.net/2072/522306https://doi.org/10.1021/acs.chemrev.1c00993RECERCAT (Dipòsit de la Recerca de Catalunya)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésYou have selected the Attribution-NonCommercial-NoDerivatives 4.0 International License. This license is permanently located at http://creativecommons.org/licenses/by-nc-nd/4.0/.info:eu-repo/semantics/openAccessoai:recercat.cat:2072/5223062026-05-29T05:05:01Z
dc.title.none.fl_str_mv Introduction: Photochemical Catalytic Processes
title Introduction: Photochemical Catalytic Processes
spellingShingle Introduction: Photochemical Catalytic Processes
Melchiorre, Paolo
54
title_short Introduction: Photochemical Catalytic Processes
title_full Introduction: Photochemical Catalytic Processes
title_fullStr Introduction: Photochemical Catalytic Processes
title_full_unstemmed Introduction: Photochemical Catalytic Processes
title_sort Introduction: Photochemical Catalytic Processes
dc.creator.none.fl_str_mv Melchiorre, Paolo
author Melchiorre, Paolo
author_facet Melchiorre, Paolo
author_role author
dc.subject.none.fl_str_mv 54
topic 54
description Chemists have been fascinated by visible light since the early days of organic synthesis. (1,2) After all, light offers the ideal form of (renewable) energy, making photochemistry intrinsically connected to sustainability. (3,4) But chemists were also attracted by the synthetic potential of photochemistry, which can unlock unique reaction pathways unavailable to conventional ground-state reactivity. This is because the chemical reactivity of excited molecules fundamentally differs from that in the ground state. (5) However, until recently, photochemistry was a specialized area with limited practical applications. The widespread development of general photochemical reactions was hampered by the need for specialized, high-energy light apparatuses and by the scattered absorption properties of organic molecules. In the past decade, the situation has changed dramatically thanks to the advent of photoredox catalysis. (6) This fast-growing area of synthetic chemistry exploits the ability of light-absorbing metal or organic catalysts to harness visible-light energy in order to accelerate chemical processes. For example, the photoexcited catalyst can facilitate access to highly reactive radicals under mild conditions upon activation of substrates using different mechanisms, including energy transfer, photoinduced electron transfer, and atom transfer. The interest in photoredox catalysis also triggered innovation in photocatalysis, where light is directly harvested by a catalytic intermediate (direct excitation) to promote unusual reactivity manifolds.
publishDate 2022
dc.date.none.fl_str_mv 2022
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
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dc.identifier.none.fl_str_mv http://hdl.handle.net/2072/522306
https://doi.org/10.1021/acs.chemrev.1c00993
url http://hdl.handle.net/2072/522306
https://doi.org/10.1021/acs.chemrev.1c00993
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 1483 p.
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dc.source.none.fl_str_mv RECERCAT (Dipòsit de la Recerca de Catalunya)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
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