1
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Gao P, Xu J, Zhou T, Liu Y, Bisz E, Dziuk B, Lalancette R, Szostak R, Zhang D, Szostak M. L-Shaped Heterobidentate Imidazo[1,5-a]pyridin-3-ylidene (N,C)-Ligands for Oxidant-Free Au I /Au III Catalysis. Angew Chem Int Ed Engl 2023; 62:e202218427. [PMID: 36696514 PMCID: PMC9992098 DOI: 10.1002/anie.202218427] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 01/26/2023]
Abstract
In the last decade, major advances have been made in homogeneous gold catalysis. However, AuI /AuIII catalytic cycle remains much less explored due to the reluctance of AuI to undergo oxidative addition and the stability of the AuIII intermediate. Herein, we report activation of aryl halides at gold(I) enabled by NHC (NHC=N-heterocyclic carbene) ligands through the development of a new class of L-shaped heterobidentate ImPy (ImPy=imidazo[1,5-a]pyridin-3-ylidene) N,C ligands that feature hemilabile character of the amino group in combination with strong σ-donation of the carbene center in a rigid conformation, imposed by the ligand architecture. Detailed characterization and control studies reveal key ligand features for AuI /AuIII redox cycle, wherein the hemilabile nitrogen is placed at the coordinating position of a rigid framework. Given the tremendous significance of homogeneous gold catalysis, we anticipate that this ligand platform will find widespread application.
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Affiliation(s)
- Pengcheng Gao
- Department of Chemistry, Rutgers University, 73 Warren Street, 07102, Newark, NJ, USA
| | - Jihong Xu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, 250100, Jinan, China
| | - Tongliang Zhou
- Department of Chemistry, Rutgers University, 73 Warren Street, 07102, Newark, NJ, USA
| | - Yanhong Liu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, 250100, Jinan, China
| | - Elwira Bisz
- Department of Chemistry, Opole University, 48 Oleska Street, 45-052, Opole, Poland
| | - Błażej Dziuk
- Department of Chemistry, University of Science and Technology, Norwida 4/6, 50-373, Wroclaw, Poland
| | - Roger Lalancette
- Department of Chemistry, Rutgers University, 73 Warren Street, 07102, Newark, NJ, USA
| | - Roman Szostak
- Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, 50-383, Wroclaw, Poland
| | - Dongju Zhang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, 250100, Jinan, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, 07102, Newark, NJ, USA
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2
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Affiliation(s)
| | - Chengming Wang
- Jinan University Chemistry 601 West Huangpu Avenue 510632 Guangzhou CHINA
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3
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Martín J, Gómez‐Bengoa E, Genoux A, Nevado C. Synthesis of Cyclometalated Gold(III) Complexes via Catalytic Rhodium to Gold(III) Transmetalation. Angew Chem Int Ed Engl 2022; 61:e202116755. [DOI: 10.1002/anie.202116755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Jaime Martín
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Enrique Gómez‐Bengoa
- Department of Organic Chemistry I University of the Basque Country UPV/EHU Manuel Lardizabal 3 Donostia-San Sebastián Spain
| | - Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
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4
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Martín J, Gómez‐Bengoa E, Genoux A, Nevado C. Synthesis of Cyclometalated Gold(III) Complexes via Catalytic Rhodium to Gold(III) Transmetalation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jaime Martín
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Enrique Gómez‐Bengoa
- Department of Organic Chemistry I University of the Basque Country UPV/EHU Manuel Lardizabal 3 Donostia-San Sebastián Spain
| | - Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
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5
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Mehara J, Watson BT, Noonikara-Poyil A, Zacharias AO, Roithová J, Rasika Dias HV. Binding Interactions in Copper, Silver and Gold π-Complexes. Chemistry 2022; 28:e202103984. [PMID: 35076112 PMCID: PMC9305286 DOI: 10.1002/chem.202103984] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Indexed: 12/14/2022]
Abstract
The copper(I), silver(I), and gold(I) metals bind π‐ligands by σ‐bonding and π‐back bonding interactions. These interactions were investigated using bidentate ancillary ligands with electron donating and withdrawing substituents. The π‐ligands span from ethylene to larger terminal and internal alkenes and alkynes. Results of X‐ray crystallography, NMR, and IR spectroscopy and gas phase experiments show that the binding energies increase in the order Ag<Cu<Au and the binding energies are slightly higher for alkynes than for alkenes. Modulation of the electron density at the metal using substituents on the ancillary ligands shows that the π‐back bonding interaction plays a dominant role for the binding in the copper and gold complexes.
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Affiliation(s)
- Jaya Mehara
- Department of Spectroscopy and Catalysis, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen (The, Netherlands
| | - Brandon T Watson
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Anurag Noonikara-Poyil
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Adway O Zacharias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Jana Roithová
- Department of Spectroscopy and Catalysis, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen (The, Netherlands
| | - H V Rasika Dias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
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6
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Sharma D, Thakur KK, Gupta N. Pd‐Au Supported Reduced Graphene Oxide Catalyst for Carbon‐ Hydrogen Bond Activation in Benzene. ChemistrySelect 2021. [DOI: 10.1002/slct.202101988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Deepika Sharma
- Department: School of Advanced Chemical Sciences Institution: Shoolini University Solan Post box No. 9, Head Post Office Solan 173229, H.P. India
| | - Kamal Kishor Thakur
- Department: Chemistry Institution: Chandigarh University Gharuan 140413 Punjab India
| | - Neeraj Gupta
- Department: School of Advanced Chemical Sciences Institution: Shoolini University Solan Post box No. 9, Head Post Office Solan 173229, H.P. India
- Department: Chemistry and Chemical Sciences Institution: Central University of Himachal Pradesh Dharamshala 176206, H.P. India
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7
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Eppel D, Eryiğit A, Rudolph M, Brückner M, Rominger F, Asiri AM, Hashmi ASK. Mechanochemical Gold(III)-Carbon Bond Formation. Angew Chem Int Ed Engl 2021; 60:13636-13640. [PMID: 33825267 PMCID: PMC8251521 DOI: 10.1002/anie.202017065] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Indexed: 12/03/2022]
Abstract
Starting from a [(MeO C^N^C)AuCl] complex as precursor, a direct substitution by C,H-activation from sp-, sp2 - or sp3 -C,H-bonds under basic conditions in a planetary ball mill was achieved. Because of the extraordinary photophysical properties of the target compounds, this protocol provides an easy access to a highly valued complex class. In contrast to existing protocols, no pre-functionalization of the starting materials is necessary and the use of expensive transition metal catalysts can be avoided, which makes this application appealing also for industrial purposes. In addition the methodology was not restricted to pincer complexes, which was demonstrated by the substitution of chelate type [(tpy)AuCl2 ] complexes.
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Affiliation(s)
- Daniel Eppel
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Alpay Eryiğit
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Margit Brückner
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Abdullah M. Asiri
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi-Arabia
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutUniversität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi-Arabia
- Heidelberg Center for the Environment (HCE)Im Neuenheimer Feld 229Germany
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8
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Eppel D, Eryiğit A, Rudolph M, Brückner M, Rominger F, Asiri AM, Hashmi ASK. Mechanochemische Bildung von Gold(III)‐Kohlenstoffbindungen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202017065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Daniel Eppel
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
| | - Alpay Eryiğit
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
| | - Matthias Rudolph
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
| | - Margit Brückner
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
| | - Frank Rominger
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
| | - Abdullah M. Asiri
- Chemistry Department Faculty of Science King Abdulaziz University Jeddah 21589 Saudi-Arabien
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Deutschland
- Chemistry Department Faculty of Science King Abdulaziz University Jeddah 21589 Saudi-Arabien
- Heidelberg Center for the Environment (HCE) Im Neuenheimer Feld 229 Deutschland
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9
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Harris RJ, Nakafuku K, Duncan AN, Carden RG, Timmerman JC, Widenhoefer RA. Kinetics and Mechanism of the Gold-Catalyzed Hydroamination of 1,1-Dimethylallene with N-Methylaniline. Chemistry 2021; 27:10377-10386. [PMID: 33951230 DOI: 10.1002/chem.202100741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Indexed: 12/17/2022]
Abstract
The mechanism of the intermolecular hydroamination of 3-methylbuta-1,2-diene (1) with N-methylaniline (2) catalyzed by (IPr)AuOTf has been studied by employing a combination of kinetic analysis, deuterium labelling studies, and in situ spectral analysis of catalytically active mixtures. The results of these and additional experiments are consistent with a mechanism for hydroamination involving reversible, endergonic displacement of N-methylaniline from [(IPr)Au(NHMePh)]+ (4) by allene to form the cationic gold π-C1,C2-allene complex [(IPr)Au(η2 -H2 C=C=CMe2 )]+ (I), which is in rapid, endergonic equilibrium with the regioisomeric π-C2,C3-allene complex [(IPr)Au(η2 -Me2 C=C=CH2 )]+ (I'). Rapid and reversible outer-sphere addition of 2 to the terminal allene carbon atom of I' to form gold vinyl complex (IPr)Au[C(=CH2 )CMe2 NMePh] (II) is superimposed on the slower addition of 2 to the terminal allene carbon atom of I to form gold vinyl complex (IPr)Au[C(=CMe2 )CH2 NMePh] (III). Selective protodeauration of III releases N-methyl-N-(3-methylbut-2-en-1-yl)aniline (3 a) with regeneration of 4. At high conversion, gold vinyl complex II is competitively trapped by an (IPr)Au+ fragment to form the cationic bis(gold) vinyl complex {[(IPr)Au]2 [C(=CH2 )CMe2 NMePh]}+ (6).
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Affiliation(s)
- Robert J Harris
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
| | - Kohki Nakafuku
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
| | - Alethea N Duncan
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
| | - Robert G Carden
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
| | - Jacob C Timmerman
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
| | - Ross A Widenhoefer
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708-0346, USA
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10
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Hu L, Dietl MC, Han C, Rudolph M, Rominger F, Hashmi ASK. Au-Ag Bimetallic Catalysis: 3-Alkynyl Benzofurans from Phenols via Tandem C-H Alkynylation/Oxy-Alkynylation. Angew Chem Int Ed Engl 2021; 60:10637-10642. [PMID: 33617065 PMCID: PMC8252013 DOI: 10.1002/anie.202016595] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/27/2021] [Indexed: 01/17/2023]
Abstract
The development of new methodologies enabling a facile access to valuable heterocyclic frameworks still is an important subject of research. In this context, we describe a dual catalytic cycle merging C-H alkynylation of phenols and oxy-alkynylation of the newly introduced triple bond by using a unique redox property and the carbophilic π acidity of gold. Mechanistic studies support the participation of a bimetallic gold-silver species. The one-pot protocol offers a direct, simple, and regio-specific approach to 3-alkynyl benzofurans from readily available phenols. A broad range of substrates, including heterocycles, is transferred with excellent functional group tolerance. Thus, this methodology can be used for the late-stage incorporation of benzofurans.
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Affiliation(s)
- Long Hu
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Martin C. Dietl
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Chunyu Han
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz University (KAU)21589JeddahSaudi Arabia
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11
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Hu L, Dietl MC, Han C, Rudolph M, Rominger F, Hashmi ASK. Au‐Ag‐Bimetallkatalyse: 3‐Alkinylbenzofurane aus Phenolen durch Tandem‐C‐H‐Alkinylierung/Oxyalkinylierung. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Long Hu
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Martin C. Dietl
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Chunyu Han
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Matthias Rudolph
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Frank Rominger
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
- Chemistry Department Faculty of Science King Abdulaziz University (KAU) 21589 Jeddah Saudi Arabien
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12
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Genoux A, Biedrzycki M, Merino E, Rivera-Chao E, Linden A, Nevado C. Synthesis and Characterization of Bidentate (P^N)Gold(III) Fluoride Complexes: Reactivity Platforms for Reductive Elimination Studies. Angew Chem Int Ed Engl 2021; 60:4164-4168. [PMID: 33015997 DOI: 10.1002/anie.202009359] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/09/2020] [Indexed: 01/04/2023]
Abstract
A new family of cationic, bidentate (P^N)gold(III) fluoride complexes has been prepared and a detailed characterization of the gold-fluoride bond has been carried out. Our results correlate with the observed reactivity of the fluoro ligand, which undergoes facile exchange with both cyano and acetylene nucleophiles. The resulting (P^N)arylgold(III)C(sp) complexes have enabled the first study of reductive elimination on (P^N)gold(III) systems, which demonstrated that C(sp2 )-C(sp) bond formation occurs at higher rates than those reported for analogous phosphine-based monodentate systems.
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Affiliation(s)
- Alexandre Genoux
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Michał Biedrzycki
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Estíbaliz Merino
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland.,Current address: Department of Organic and Inorganic Chemistry, Chemical Research Institute Andrés M. del Río (IQAR), University of Alcalá, 28805-Alcalá de Henares, Madrid, Spain
| | - Eva Rivera-Chao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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13
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Yu B, Perfetto A, Allievi L, Dhambri S, Rager MN, Selkti M, Ciofini I, Lannou MI, Sorin G. Silver(I) Oxide-/DBU-Promoted Synthesis of Dihydrofuran Units through Allenyl Silver Formation. Chemistry 2020; 26:17455-17461. [PMID: 32978998 DOI: 10.1002/chem.202002696] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/17/2020] [Indexed: 11/08/2022]
Abstract
A formal [3+2] cyclization mediated by silver(I) oxide and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) is described herein. Through a broad variety of carbonyl compounds, this system can promote cyclization reactions with high yield (up to 85 %) and diastereoselectivity (up to 95:5) for a straightforward access to complex and congested dihydrofuran derivatives in one step under mild conditions. Based on DFT studies, the proposed mechanism would involve an allenyl silver intermediate.
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Affiliation(s)
- Bao Yu
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
| | - Anna Perfetto
- Chimie ParisTech, PSL University, Unité CNRS FRE 2027, Institute of Chemistry for Life and Health Science (i-CLeHS), 11, rue Pierre et Marie Curie, 75005, Paris, France
| | - Luca Allievi
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
| | - Sabrina Dhambri
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
| | - Marie-Noelle Rager
- Chimie ParisTech, PSL University, Unité CNRS FRE 2027, Institute of Chemistry for Life and Health Science (i-CLeHS), 11, rue Pierre et Marie Curie, 75005, Paris, France
| | - Mohamed Selkti
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
| | - Ilaria Ciofini
- Chimie ParisTech, PSL University, Unité CNRS FRE 2027, Institute of Chemistry for Life and Health Science (i-CLeHS), 11, rue Pierre et Marie Curie, 75005, Paris, France
| | - Marie-Isabelle Lannou
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
| | - Geoffroy Sorin
- Faculté des Sciences Pharmaceutiques et Biologiques, Unité CNRS UMR 8038 CiTCoM, Université de Paris Descartes, 4 avenue de l'Observatoire, 75270, Paris Cedex 06, France
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14
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Genoux A, Biedrzycki M, Merino E, Rivera‐Chao E, Linden A, Nevado C. Synthesis and Characterization of Bidentate (P^N)Gold(III) Fluoride Complexes: Reactivity Platforms for Reductive Elimination Studies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Michał Biedrzycki
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Estíbaliz Merino
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
- Current address: Department of Organic and Inorganic Chemistry Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá 28805-Alcalá de Henares Madrid Spain
| | - Eva Rivera‐Chao
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Anthony Linden
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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15
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Adak T, Hoffmann M, Witzel S, Rudolph M, Dreuw A, Hashmi ASK. Visible Light-Enabled sp 3 -C-H Functionalization with Chloro- and Bromoalkynes: Chemoselective Route to Vinylchlorides or Alkynes. Chemistry 2020; 26:15573-15580. [PMID: 32472581 PMCID: PMC7756539 DOI: 10.1002/chem.202001259] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/26/2020] [Indexed: 12/21/2022]
Abstract
An unprecedented direct atom-economic chemo- and regioselective hydroalkylation of chloroalkynes and an sp3 -C-H alkynylation of bromoalkynes was achieved. The reaction partners are unfunctionalized ethers, alcohols, amides, and even non-activated hydrocarbons. We found that a household fluorescent bulb was able to excite a diaryl ketone, which then selectively abstracts a H-atom from an sp3 -C-H bond. The product of a formal alkyne insertion into the sp3 -C-H bond was obtained with chloroalkynes, providing valuable vinyl chlorides. The photo-organocatalytic hydrogen atom transfer strategy gives rise to a broad range of diversely functionalized olefins. When bromoalkynes are applied in the presence of a base, a chemoselectivity switch to an alkynylation is observed. This reaction can even be performed for the alkynylation of unactivated sp3 -C-H bonds, in this case with a preference of the more substituted carbon. Accompanying quantum chemical calculations indicate a vinyl radical intermediate with pronounced linear coordination of the carbon radical center, thus enabling the formation of both diastereoisomers after H-atom abstraction, suggesting that the (Z)-diastereoisomer is preferred, which supports the experimentally observed (E/Z)-distribution.
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Affiliation(s)
- Tapas Adak
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Marvin Hoffmann
- Theoretical and Computational ChemistryInterdisciplinary Center for Scientific Computing (IWR)Heidelberg UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Sina Witzel
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Andreas Dreuw
- Theoretical and Computational ChemistryInterdisciplinary Center for Scientific Computing (IWR)Heidelberg UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
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16
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González JA, Verdugo F, Mascareñas JL, López F, Nevado C. [C^N]-Alkenyl Gold(III) Complexes by Proximal Ring-Opening of (2-Pyridyl)alkylidenecyclopropanes: Mechanistic Insights. Angew Chem Int Ed Engl 2020; 59:20049-20054. [PMID: 32671957 DOI: 10.1002/anie.202007371] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/10/2020] [Indexed: 12/29/2022]
Abstract
Pyridine-substituted alkylidenecyclopropanes (Py-ACPs) react with gold(III) salts under mild reaction conditions through an unprecedented, proximal ring-opening pathway, to generate highly appealing, catalytically active pyridine alkenyl [C^N]-gold(III) species. Mechanistic studies reveal that the activation of the C-C bond of the ACP takes place through an unusual concerted, σ-bond metathesis type-process.
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Affiliation(s)
- Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Felipe Verdugo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain.,Instituto de Química Orgánica General (CSIC), Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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17
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González JA, Verdugo F, Mascareñas JL, López F, Nevado C. [C^N]‐Alkenyl Gold(III) Complexes by Proximal Ring‐Opening of (2‐Pyridyl)alkylidenecyclopropanes: Mechanistic Insights. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jorge A. González
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Felipe Verdugo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
- Instituto de Química Orgánica General (CSIC) Madrid Spain
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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18
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp 2 )-C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020; 59:17881-17886. [PMID: 32648359 DOI: 10.1002/anie.202005731] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/04/2020] [Indexed: 01/14/2023]
Abstract
A new family of phosphine-ligated dicyanoarylgold(III) complexes has been prepared and their reactivity towards reductive elimination has been studied in detail. Both, a highly positive entropy of activation and a primary 12/13 C KIE suggest a late concerted transition state while Hammett analysis and DFT calculations indicate that the process is asynchronous. As a result, a distinct mechanism involving an asynchronous concerted reductive elimination for the overall C(sp2 )-C(sp)N bond forming reaction is characterized herein, for the first time, complementing previous studies reported for C(sp3 )-C(sp3 ), C(sp2 )-C(sp2 ), and C(sp3 )-C(sp2 ) bond formation processes taking place on gold(III) species.
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Affiliation(s)
- Alexandre Genoux
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Estíbaliz Merino
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland.,Current address: Department of Organic and Inorganic Chemistry, Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá, 28805, Alcalá de Henares, Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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19
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Vayer M, Bour C, Gandon V. Exploring the Versatility of 7‐Alkynylcycloheptatriene Scaffolds Under π‐Acid Catalysis. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Marie Vayer
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris‐Saclay Bâtiment 420 91405 Orsay cedex France
| | - Christophe Bour
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris‐Saclay Bâtiment 420 91405 Orsay cedex France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) CNRS UMR 8182 Université Paris‐Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM) CNRS UMR 9168, Ecole Polytechnique Institut Polytechnique de Paris route de Saclay 91128 Palaiseau cedex France
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20
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp
2
)−C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Jorge A. González
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Estíbaliz Merino
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
- Current address: Department of Organic and Inorganic Chemistry Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá 28805, Alcalá de Henares Madrid Spain
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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21
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Che YY, Yue Y, Lin LZ, Pei B, Deng X, Feng C. Palladium-Catalyzed Electrophilic Functionalization of Pyridine Derivatives through Phosphonium Salts. Angew Chem Int Ed Engl 2020; 59:16414-16419. [PMID: 32533596 DOI: 10.1002/anie.202006724] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/30/2020] [Indexed: 12/11/2022]
Abstract
Herein, we report a highly efficient and practical method for pyridine-derived heterobiaryl synthesis through palladium-catalyzed electrophilic functionalization of easily available pyridine-derived quaternary phosphonium salts. The nice generality of this reaction was goes beyond arylation, enabling facile incorporation of diverse carbon-based fragments, including alkenyl, alkynyl, and also allyl fragments, onto the pyridine core. Notably, the silver salt additive is revealed to be of vital importance for the success of this transformation and its pivotal role as transmetallation mediator, which guarantees a smooth transfer of pyridyl group to palladium intermediate, is also described.
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Affiliation(s)
- Yuan-Yuan Che
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Yanni Yue
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Ling-Zhi Lin
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Bingbing Pei
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Xuezu Deng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
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22
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Che Y, Yue Y, Lin L, Pei B, Deng X, Feng C. Palladium‐Catalyzed Electrophilic Functionalization of Pyridine Derivatives through Phosphonium Salts. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yuan‐Yuan Che
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Yanni Yue
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Ling‐Zhi Lin
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Bingbing Pei
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Xuezu Deng
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
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23
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Wang J, Wei C, Li X, Zhao P, Shan C, Wojtas L, Chen H, Shi X. Gold Redox Catalysis with a Selenium Cation as a Mild Oxidant. Chemistry 2020; 26:5946-5950. [PMID: 32037616 PMCID: PMC7220824 DOI: 10.1002/chem.202000166] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/02/2020] [Indexed: 02/03/2023]
Abstract
Gold-catalyzed alkyne and allene diselenations were developed. Excellent regioselectivity (trans) and good to excellent yields were achieved (up to 98 % with 2 % catalyst loading) with a wide range of substrates. Mechanistic investigation revealed the formation of a vinyl gold(I) intermediate followed by an intermolecular selenium cation migration, suggesting that a gold(I/III) redox process was successfully implemented under mild conditions.
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Affiliation(s)
- Jin Wang
- Shandong Normal University, College of Chemistry, CHINA
| | - Chiyu Wei
- University of South Florida, Chemistry, UNITED STATES
| | - Xuming Li
- University of South Florida, Chemistry, UNITED STATES
| | - Pengyi Zhao
- New Jersey Institute of Technology, Chemistry and Enviromental Science, UNITED STATES
| | - Chuan Shan
- University of South Florida, Chemistry, UNITED STATES
| | - Lukasz Wojtas
- University of South Florida, Chemistry, UNITED STATES
| | - Hao Chen
- New Jersey Institute of Technology, Chemistry and Environmental Science, UNITED STATES
| | - Xiaodong Shi
- University of South Florida, Department of Chemistry, University of South Florida, Department of Chemistry, 33620, Tampa, UNITED STATES
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24
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Ingner FJL, Schmitt A, Orthaber A, Gates PJ, Pilarski LT. Mild and Efficient Synthesis of Diverse Organo-Au I -L Complexes in Green Solvents. CHEMSUSCHEM 2020; 13:2032-2037. [PMID: 31951303 PMCID: PMC7277043 DOI: 10.1002/cssc.201903415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/15/2020] [Indexed: 06/10/2023]
Abstract
An exceptionally mild and efficient method was developed for the preparation of (hetero)aryl-AuI -L complexes using ethanol or water as the reaction medium at room temperature and Ar-B(triol)K boronates as the transmetalation partner. The reaction does not need an exogeneous base or other additives, and quantitative yields can be achieved through a simple filtration as the only required purification method, which obviates considerable waste associated with alternative workup methods. A broad reaction scope was demonstrated with respect to both the L and (hetero)aryl ligands on product Au complexes. Despite the polar reaction medium, large polycyclic aromatic hydrocarbon units can be incorporated on the Au complexes in very good to excellent yields. The approach was demonstrated for the chemoselective manipulation of orthogonally protected aryl boronates to afford a new class of N-heterocyclic carbene-Au-aryl complexes. A mechanistic rationale was proposed.
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Affiliation(s)
| | | | - Andreas Orthaber
- Department of Chemistry—ÅngströmUppsala UniversityBOX 52375-120UppsalaSweden
| | - Paul J. Gates
- School of ChemistryUniversity of BristolCantock's Close, CliftonBristolBS8 1TSUK
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25
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Cadge JA, Sparkes HA, Bower JF, Russell CA. Oxidative Addition of Alkenyl and Alkynyl Iodides to a Au
I
Complex. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Jamie A. Cadge
- School of ChemistryUniversity of Bristol Cantock's Close BS8 1TS UK
| | - Hazel A. Sparkes
- School of ChemistryUniversity of Bristol Cantock's Close BS8 1TS UK
| | - John F. Bower
- School of ChemistryUniversity of Bristol Cantock's Close BS8 1TS UK
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26
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Cadge JA, Sparkes HA, Bower JF, Russell CA. Oxidative Addition of Alkenyl and Alkynyl Iodides to a Au I Complex. Angew Chem Int Ed Engl 2020; 59:6617-6621. [PMID: 31951062 DOI: 10.1002/anie.202000473] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Indexed: 12/22/2022]
Abstract
The first isolated examples of intermolecular oxidative addition of alkenyl and alkynyl iodides to AuI are reported. Using a 5,5'-difluoro-2,2'-bipyridyl ligated complex, oxidative addition of geometrically defined alkenyl iodides occurs readily, reversibly and stereospecifically to give alkenyl-AuIII complexes. Conversely, reversible alkynyl iodide oxidative addition generates bimetallic complexes containing both AuIII and AuI centers. Stoichiometric studies show that both new initiation modes can form the basis for the development of C-C bond forming cross-couplings.
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Affiliation(s)
- Jamie A Cadge
- School of Chemistry, University of Bristol, Cantock's Close, BS8 1TS, UK
| | - Hazel A Sparkes
- School of Chemistry, University of Bristol, Cantock's Close, BS8 1TS, UK
| | - John F Bower
- School of Chemistry, University of Bristol, Cantock's Close, BS8 1TS, UK
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27
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Nijamudheen A, Datta A. Gold-Catalyzed Cross-Coupling Reactions: An Overview of Design Strategies, Mechanistic Studies, and Applications. Chemistry 2019; 26:1442-1487. [PMID: 31657487 DOI: 10.1002/chem.201903377] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/28/2019] [Indexed: 12/14/2022]
Abstract
Transition-metal-catalyzed cross-coupling reactions are central to many organic synthesis methodologies. Traditionally, Pd, Ni, Cu, and Fe catalysts are used to promote these reactions. Recently, many studies have showed that both homogeneous and heterogeneous Au catalysts can be used for activating selective cross-coupling reactions. Here, an overview of the past studies, current trends, and future directions in the field of gold-catalyzed coupling reactions is presented. Design strategies to accomplish selective homocoupling and cross-coupling reactions under both homogeneous and heterogeneous conditions, computational and experimental mechanistic studies, and their applications in diverse fields are critically reviewed. Specific topics covered are: oxidant-assisted and oxidant-free reactions; strain-assisted reactions; dual Au and photoredox catalysis; bimetallic synergistic reactions; mechanisms of reductive elimination processes; enzyme-mimicking Au chemistry; cluster and surface reactions; and plasmonic catalysis. In the relevant sections, theoretical and computational studies of AuI /AuIII chemistry are discussed and the predictions from the calculations are compared with the experimental observations to derive useful design strategies.
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Affiliation(s)
- A Nijamudheen
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India.,Department of Chemical & Biomedical Engineering, Florida A&M University-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India
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28
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Yang Y, Schießl J, Zallouz S, Göker V, Gross J, Rudolph M, Rominger F, Hashmi ASK. Gold-Catalyzed C(sp 2 )-C(sp) Coupling by Alkynylation through Oxidative Addition of Bromoalkynes. Chemistry 2019; 25:9624-9628. [PMID: 31094025 DOI: 10.1002/chem.201902213] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Indexed: 12/20/2022]
Abstract
A gold(I)-catalyzed cascade cyclization-alkynylation of allenoates using alkynyl bromide to generate β-alkynyl-γ-butenolides was investigated. Whereas alkynyl iodides afforded significant amounts of the homo-coupling of two lactone units, alkynyl bromides led to a selective reaction, and a broad functional group tolerance was observed. Under the optimized reaction conditions, it was possible to directly synthesize a large range of β-alkynyl-γ-butenolides in moderate to good yields without the need for any external oxidant.
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Affiliation(s)
- Yangyang Yang
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jasmin Schießl
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Sirine Zallouz
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Verena Göker
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jürgen Gross
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - A Stephen K Hashmi
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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29
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Zhao X, Tian B, Yang Y, Si X, Mulks FF, Rudolph M, Rominger F, Hashmi ASK. Gold‐Catalyzed Stereoselective Domino Cyclization/Alkynylation of
N
‐Propargylcarboxamides with Benziodoxole Reagents for the Synthesis of Alkynyloxazolines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900264] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Ximei Zhao
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Bing Tian
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Yangyang Yang
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Xiaojia Si
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Florian F. Mulks
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Zernike Institute for Advanced MaterialsRijksuniversiteit Groningen Nijenborgh 4 9747 AG Groningen, The Netherlands
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Affiliation a Chemistry Department, Faculty of ScienceKing Abdulaziz University (KAU) 21589 Jeddah Saudi Arabia
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