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Your search keyword '"Melinda R. Serrato"' showing total 3 results
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3 results on '"Melinda R. Serrato"'

1. Highly Robust and Efficient Blechert-Type Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Olefin Metathesis

Author

Antonio Del Vecchio, Jakub Talcik, Sophie Colombel-Rouen, Jan Lorkowski, Melinda R. Serrato, Thierry Roisnel, Nicolas Vanthuyne, Guy Bertrand, Rodolphe Jazzar, Marc Mauduit, Institut des Sciences Chimiques de Rennes (ISCR), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California [San Diego] (UC San Diego), University of California (UC)-University of California (UC)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), University of California (UC), Institut des Sciences Moléculaires de Marseille (ISM2), Aix Marseille Université (AMU)-École Centrale de Marseille (ECM)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Prematuration Program of CNRS, Agence Nationale de la Recherche [ANR-19-CE07-0017 ChiCAAC], France Relance, U.S. Department of Energy, Office of Science, Basic Energy Sciences, Catalysis Science Program [DE-SC0009376], Rennes Metropole [Eco-SFC], and ANR-19-CE07-0017,ChiCAAC,Carbènes alkyl amino cycliques chiraux en catalyse asymétrique(2019)

Subjects
ruthenium complex, Olefin metathesis, asymmetric catalysis, [CHIM]Chemical Sciences, cyclic(alkyl)(amino)carbene, General Chemistry, Catalysis
Abstract

International audience; New Blechert-type ruthenium complexes containing cyclic(alkyl)(amino)carbene (CAAC) ligands are reported. These catalysts demonstrate remarkable thermal stability in solution and excellent catalytic performances at low catalytic loading (up to 0.005 mol %) in ring-closing metathesis (RCM), macro-RCM, ring-closing enyne metathesis (RCEYM), cross-metathesis (CM), ethenolysis and ring-opening cross metathesis (ROCM). Moreover, up to 95% enantiomeric excess (ee) was obtained in asymmetric ring-opening cross metathesis (AROCM) and 57% ee was obtained in asymmetric cross-metathesis (ACM).

Published
2023

2. A Straightforward Access to Cyclic (Alkyl)(amino)carbene Copper (I) Complexes

Author

Jan Lorkowski, Melinda R. Serrato, Milan Gembicki, Marc Mauduit, Guy Bertrand, Rodolphe Jazzar, Institut des Sciences Chimiques de Rennes (ISCR), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Ecole Nationale Supérieure de Chimie de Rennes (ENSCR)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California [San Diego] (UC San Diego), University of California (UC)-University of California (UC)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), University of California (UC), U.S. Department of Energy, Office of Science, Basic Energy Sciences, Catalysis Science Program [DE-SC0009376], Agence Nationale de la Recherche [ANR-20-CE07-0300-cResolu], 'prematuration program\' of CNRS, and ANR-20-CE07-0030,cResolu,Accès direct à des complexes chiraux NHC-métal de transition : de nouvelles opportunités pour la catalyse asymétrique(2020)

Subjects
Inorganic Chemistry, carbenes, iminium, copper, [CHIM]Chemical Sciences, [CHIM.INOR]Chemical Sciences/Inorganic chemistry, X-ray diffraction
Abstract

International audience; The synthesis and characterization of cyclic (alkyl)(amino)carbene, bicyclic (alkyl)(amino)carbene and cyclic (amino)(barrelene)carbene copper (I) complexes is reported. These complexes are obtained via a scalable, versatile, green, and cost/user-friendly strategy.

Published
2023

3. An air-stable radical with a redox-chameleonic amide

Author

Jesse L. Peltier, Melinda R. Serrato, Valentin Thery, Jacques Pecaut, Eder Tomás-Mendivil, Guy Bertrand, Rodolphe Jazzar, David Martin, UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555), University of California [San Diego] (UC San Diego), University of California (UC)-University of California (UC)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Département de Chimie Moléculaire - Chimie Inorganique Redox (DCM - CIRE ), Département de Chimie Moléculaire (DCM), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), SYstèmes Moléculaires et nanoMatériaux pour l’Energie et la Santé (SYMMES), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche Interdisciplinaire de Grenoble (IRIG), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Grenoble Alpes (UGA), and ANR-17-EURE-0003,CBH-EUR-GS,CBH-EUR-GS(2017)

Subjects
[CHIM.ORGA]Chemical Sciences/Organic chemistry, Materials Chemistry, Metals and Alloys, Ceramics and Composites, General Chemistry, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials
Abstract

International audience; An air-stable (amino)(amido)radical was synthesized by reacting a cyclic (alkyl)(amino)carbene with carbazoyl chloride, followed by one-electron reduction. We show that an adjacent radical center weakens the amide bond. It enables the amino group to act as a strong acceptor under steric contraint, thus enhancing the stabilizing-capto-dative effect.

Published
2022

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