An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle
International audience The coordination chemistry of the anionic NHC 1– based on an imidazo[1,5-a]pyridin-3-ylidene (IPy) platform substituted at the C5 position by an anionic barbituric heterocycle was studied with d6 (Ru(II), Mn(I)) and d8 (Pd(II), Rh(I), Ir(I), Au(III)) transition-metal centers....
Published in: | Organometallics |
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Main Authors: | , , , , , , , , |
Other Authors: | , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2021
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Online Access: | https://hal.archives-ouvertes.fr/hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487/document https://hal.archives-ouvertes.fr/hal-03356487/file/om-2021-004582_revised.pdf https://doi.org/10.1021/acs.organomet.1c00458 |
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ftccsdartic:oai:HAL:hal-03356487v1 |
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Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
Alcohols Ligands Carbon Heterocyclic compounds Oxidation [CHIM.COOR]Chemical Sciences/Coordination chemistry |
spellingShingle |
Alcohols Ligands Carbon Heterocyclic compounds Oxidation [CHIM.COOR]Chemical Sciences/Coordination chemistry Benaissa, Idir Gajda, Katarzyna Vendier, Laure Lugan, Noël Kajetanowicz, Anna Grela, Karol Michelet, Véronique César, Vincent Bastin, Stéphanie An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
topic_facet |
Alcohols Ligands Carbon Heterocyclic compounds Oxidation [CHIM.COOR]Chemical Sciences/Coordination chemistry |
description |
International audience The coordination chemistry of the anionic NHC 1– based on an imidazo[1,5-a]pyridin-3-ylidene (IPy) platform substituted at the C5 position by an anionic barbituric heterocycle was studied with d6 (Ru(II), Mn(I)) and d8 (Pd(II), Rh(I), Ir(I), Au(III)) transition-metal centers. While the anionic barbituric heterocycle is planar in the zwitterionic NHC precursor 1·H, NMR spectroscopic analyses supplemented by X-ray diffraction studies evidenced the chelating behavior of ligand 1– through the carbenic and the malonic carbon atoms in all of the complexes, resulting from a deformation of the lateral barbituric heterocycle. The complexes were obtained by reaction of the free carbene with the appropriate metal precursor, except for the Au(III) complex 10, which was obtained by oxidation of the antecedent gold(I) complex [AuCl(1)]− with PhICl2 as an external oxidant. During the course of the process, the kinetic gold(I) intermediate 9 resulting from the oxidation of the malonic carbon of the barbituric moiety was isolated upon crystallization from the reaction mixture. The νCO stretching frequencies recorded for complex [Rh(1)(CO)2] (5) demonstrated the strong donating character of the malonate-C(sp3)/NHC ligand 1–. The ruthenium complex [Ru(1)Cl(p-cymene)] (11) was implemented as a precatalyst in the dehydrogenative synthesis of carboxylic acid derivatives from primary alcohols and exhibited high activities at low catalyst loadings (25–250 ppm) and a large tolerance toward functional groups. |
author2 |
Laboratoire de chimie de coordination (LCC) Institut National Polytechnique (Toulouse) (Toulouse INP) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie de Toulouse (ICT-FR 2599) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) University of Warsaw (UW) Institut de Chimie de Nice (ICN) Université Nice Sophia Antipolis (. - 2019) (UNS) COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA) Centre National de la Recherche Scientifique (CNRS) University Côte d’Azur ANR-16-CE07-0006,GOLDWAR,Catalyse asymétrique en présence de complexes d'or(I) et d'or(III) – Un nouvel arsenal pour la construction d'architectures moléculaires chirales(2016) |
format |
Article in Journal/Newspaper |
author |
Benaissa, Idir Gajda, Katarzyna Vendier, Laure Lugan, Noël Kajetanowicz, Anna Grela, Karol Michelet, Véronique César, Vincent Bastin, Stéphanie |
author_facet |
Benaissa, Idir Gajda, Katarzyna Vendier, Laure Lugan, Noël Kajetanowicz, Anna Grela, Karol Michelet, Véronique César, Vincent Bastin, Stéphanie |
author_sort |
Benaissa, Idir |
title |
An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
title_short |
An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
title_full |
An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
title_fullStr |
An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
title_full_unstemmed |
An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle |
title_sort |
anionic, chelating c(sp 3 ) / nhc ligand from the combination of n-heterobicyclic carbene and barbituric heterocycle |
publisher |
HAL CCSD |
publishDate |
2021 |
url |
https://hal.archives-ouvertes.fr/hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487/document https://hal.archives-ouvertes.fr/hal-03356487/file/om-2021-004582_revised.pdf https://doi.org/10.1021/acs.organomet.1c00458 |
genre |
IPY |
genre_facet |
IPY |
op_source |
ISSN: 0276-7333 EISSN: 1520-6041 Organometallics https://hal.archives-ouvertes.fr/hal-03356487 Organometallics, American Chemical Society, 2021, 40 (18), pp.3223-3234. ⟨10.1021/acs.organomet.1c00458⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.organomet.1c00458 hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487/document https://hal.archives-ouvertes.fr/hal-03356487/file/om-2021-004582_revised.pdf doi:10.1021/acs.organomet.1c00458 |
op_doi |
https://doi.org/10.1021/acs.organomet.1c00458 |
container_title |
Organometallics |
container_volume |
40 |
container_issue |
18 |
container_start_page |
3223 |
op_container_end_page |
3234 |
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1766046908367765504 |
spelling |
ftccsdartic:oai:HAL:hal-03356487v1 2023-05-15T16:55:52+02:00 An anionic, chelating C(sp 3 ) / NHC ligand from the combination of N-heterobicyclic carbene and barbituric heterocycle Benaissa, Idir Gajda, Katarzyna Vendier, Laure Lugan, Noël Kajetanowicz, Anna Grela, Karol Michelet, Véronique César, Vincent Bastin, Stéphanie Laboratoire de chimie de coordination (LCC) Institut National Polytechnique (Toulouse) (Toulouse INP) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie de Toulouse (ICT-FR 2599) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS) University of Warsaw (UW) Institut de Chimie de Nice (ICN) Université Nice Sophia Antipolis (. - 2019) (UNS) COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA) Centre National de la Recherche Scientifique (CNRS) University Côte d’Azur ANR-16-CE07-0006,GOLDWAR,Catalyse asymétrique en présence de complexes d'or(I) et d'or(III) – Un nouvel arsenal pour la construction d'architectures moléculaires chirales(2016) 2021 https://hal.archives-ouvertes.fr/hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487/document https://hal.archives-ouvertes.fr/hal-03356487/file/om-2021-004582_revised.pdf https://doi.org/10.1021/acs.organomet.1c00458 en eng HAL CCSD American Chemical Society info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.organomet.1c00458 hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487 https://hal.archives-ouvertes.fr/hal-03356487/document https://hal.archives-ouvertes.fr/hal-03356487/file/om-2021-004582_revised.pdf doi:10.1021/acs.organomet.1c00458 ISSN: 0276-7333 EISSN: 1520-6041 Organometallics https://hal.archives-ouvertes.fr/hal-03356487 Organometallics, American Chemical Society, 2021, 40 (18), pp.3223-3234. ⟨10.1021/acs.organomet.1c00458⟩ Alcohols Ligands Carbon Heterocyclic compounds Oxidation [CHIM.COOR]Chemical Sciences/Coordination chemistry info:eu-repo/semantics/article Journal articles 2021 ftccsdartic https://doi.org/10.1021/acs.organomet.1c00458 2022-01-09T00:09:35Z International audience The coordination chemistry of the anionic NHC 1– based on an imidazo[1,5-a]pyridin-3-ylidene (IPy) platform substituted at the C5 position by an anionic barbituric heterocycle was studied with d6 (Ru(II), Mn(I)) and d8 (Pd(II), Rh(I), Ir(I), Au(III)) transition-metal centers. While the anionic barbituric heterocycle is planar in the zwitterionic NHC precursor 1·H, NMR spectroscopic analyses supplemented by X-ray diffraction studies evidenced the chelating behavior of ligand 1– through the carbenic and the malonic carbon atoms in all of the complexes, resulting from a deformation of the lateral barbituric heterocycle. The complexes were obtained by reaction of the free carbene with the appropriate metal precursor, except for the Au(III) complex 10, which was obtained by oxidation of the antecedent gold(I) complex [AuCl(1)]− with PhICl2 as an external oxidant. During the course of the process, the kinetic gold(I) intermediate 9 resulting from the oxidation of the malonic carbon of the barbituric moiety was isolated upon crystallization from the reaction mixture. The νCO stretching frequencies recorded for complex [Rh(1)(CO)2] (5) demonstrated the strong donating character of the malonate-C(sp3)/NHC ligand 1–. The ruthenium complex [Ru(1)Cl(p-cymene)] (11) was implemented as a precatalyst in the dehydrogenative synthesis of carboxylic acid derivatives from primary alcohols and exhibited high activities at low catalyst loadings (25–250 ppm) and a large tolerance toward functional groups. Article in Journal/Newspaper IPY Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Organometallics 40 18 3223 3234 |