1
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Brambilla E, Abbiati G, Caselli A, Pirovano V, Rossi E. Coinage metal carbenes in heterocyclic synthesis via formation of new carbon-heteroatom bonds. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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2
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Yang S, Alix A, Bour C, Gandon V. Alkynophilicity of Group 13 MX 3 Salts: A Theoretical Study. Inorg Chem 2021; 60:5507-5522. [PMID: 33769800 DOI: 10.1021/acs.inorgchem.0c03302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The concept of alkynophilicity is revisited with group 13 MX3 metal salts (M = In, Ga, Al, B; X = Cl, OTf) using M06-2X/6-31+G(d,p) calculations. This study aims at answering why some of these salts show reactivity toward enynes that is similar to that observed with late-transition-metal complexes, notably Au(I) species, and why some of them are inactive. For this purpose, the mechanism of the skeletal reorganization of 1,6-enynes into 1-vinylcyclopentenes has been computed, including monomeric ("standard") and dimeric (superelectrophilic) activation. Those results are confronted with deactivation pathways based on the dissociation of the M-X bond. The role of the X ligand in the stabilization of the intermediate nonclassical carbocation is revealed, and the whole features required to make a good π-Lewis acid are discussed.
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Affiliation(s)
- Shengwen Yang
- 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
| | - Aurélien Alix
- 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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3
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Nasrallah H, Min Y, Lerayer E, Nguyen TA, Poinsot D, Roger J, Brandès S, Heintz O, Roblin P, Jolibois F, Poteau R, Coppel Y, Kahn ML, Gerber IC, Axet MR, Serp P, Hierso JC. Nanocatalysts for High Selectivity Enyne Cyclization: Oxidative Surface Reorganization of Gold Sub-2-nm Nanoparticle Networks. JACS AU 2021; 1:187-200. [PMID: 34467283 PMCID: PMC8395676 DOI: 10.1021/jacsau.0c00062] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Indexed: 05/14/2023]
Abstract
Ultrasmall gold nanoparticles (NPs) stabilized in networks by polymantane ligands (diamondoids) were successfully used as precatalysts for highly selective heterogeneous gold-catalyzed dimethyl allyl(propargyl)malonate cyclization to 5-membered conjugated diene. Such reaction usually suffers from selectivity issues with homogeneous catalysts. This control over selectivity further opened the way to one-pot cascade reaction, as illustrated by the 1,6-enyne cycloisomerization-Diels-Alder reaction of dimethyl allyl propargyl malonate with maleic anhydride. The ability to assemble nanoparticles with controllable sizes and shapes within networks concerns research in sensors, medical diagnostics, information storage, and catalysis applications. Herein, the control of the synthesis of sub-2-nm gold NPs is achieved by the formation of dense networks, which are assembled in a single step reaction by employing ditopic polymantanethiols. By using 1,1'-bisadamantane-3,3'-dithiol (BAd-SH) and diamantane-4,9-dithiol (DAd-SH), serving both as bulky surface stabilizers and short-sized linkers, we provide a simple method to form uniformly small gold NPs (1.3 ± 0.2 nm to 1.6 ± 0.3 nm) embedded in rigid frameworks. These NP arrays are organized alongside short interparticular distances ranging from 1.9 to 2.7 nm. The analysis of gold NP surfaces and their modification were achieved in joint experimental and theoretical studies, using notably XPS, NMR, and DFT modeling. Our experimental studies and DFT analyses highlighted the necessary oxidative surface reorganization of individual nanoparticles for an effective enyne cycloisomerization. The modifications at bulky stabilizing ligands allow surface steric decongestion for the alkyne moiety activation but also result in network alteration by overoxidation of sulfurs. Thus, sub-2-nm nanoparticles originating from networks building create convenient conditions for generating reactive Au(I) surface single-sites-in the absence of silver additives-useful for heterogeneous gold-catalyzed enyne cyclization. These nanocatalysts, which as such ease organic products separation, also provide a convenient access for building further polycyclic complexity, owing to their high reactivity and selectivity.
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Affiliation(s)
- Houssein
O. Nasrallah
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Yuanyuan Min
- LCC-CNRS,
Université de Toulouse, INPT, UPS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Emmanuel Lerayer
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Tuan-Anh Nguyen
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Didier Poinsot
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Julien Roger
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Stéphane Brandès
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
| | - Olivier Heintz
- Laboratoire
Interdisciplinaire Carnot Bourgogne (ICB − UMR CNRS 6303), Université Bourgogne Franche-Comté (UBFC), 9 avenue Alain Savary 21078, Dijon, France
| | - Pierre Roblin
- Laboratoire
de Génie Chimique and Fédération de Recherche
FERMAT, 4 allée Emile Monso, 31030 Toulouse, France
| | - Franck Jolibois
- INSA−CNRS−UPS,
LPCNO, Université Fédérale
de Toulouse Midi-Pyrénées, 135 Avenue de Rangueil, F-31077 Toulouse, France
| | - Romuald Poteau
- INSA−CNRS−UPS,
LPCNO, Université Fédérale
de Toulouse Midi-Pyrénées, 135 Avenue de Rangueil, F-31077 Toulouse, France
| | - Yannick Coppel
- LCC-CNRS,
Université de Toulouse, INPT, UPS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Myrtil L. Kahn
- LCC-CNRS,
Université de Toulouse, INPT, UPS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Iann C. Gerber
- INSA−CNRS−UPS,
LPCNO, Université Fédérale
de Toulouse Midi-Pyrénées, 135 Avenue de Rangueil, F-31077 Toulouse, France
- Iann C. Gerber
| | - M. Rosa Axet
- LCC-CNRS,
Université de Toulouse, INPT, UPS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
- M. Rosa Axet
| | - Philippe Serp
- LCC-CNRS,
Université de Toulouse, INPT, UPS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
- Philippe Serp
| | - Jean-Cyrille Hierso
- Institut
de Chimie Moléculaire de l’Université de Bourgogne
(ICMUB - UMR CNRS 6302), Université Bourgogne Franche-Comté
(UBFC), 9 avenue Alain Savary, 21078 Dijon Cedex, France
- Jean-Cyrille Hierso
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4
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Abstract
Three- and four-membered rings, widespread motifs in nature and medicinal chemistry, have fascinated chemists ever since their discovery. However, due to energetic considerations, small rings are often difficult to assemble. In this regard, homogeneous gold catalysis has emerged as a powerful tool to construct these highly strained carbocycles. This review aims to provide a comprehensive summary of all the major advances and discoveries made in the gold-catalyzed synthesis of cyclopropanes, cyclopropenes, cyclobutanes, cyclobutenes, and their corresponding heterocyclic or heterosubstituted analogs.
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Affiliation(s)
- Mauro Mato
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Allegra Franchino
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Cristina Garcı A-Morales
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
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5
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Wang Y, Cai PJ, Yu ZX. Mechanistic Study on Gold-Catalyzed Cycloisomerization of Dienediynes Involving Aliphatic C-H Functionalization and Inspiration for Developing a New Strategy to Access Polycarbocycles. J Am Chem Soc 2020; 142:2777-2786. [PMID: 31950827 DOI: 10.1021/jacs.9b10362] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Previously, we developed a gold-catalyzed cycloisomerization of dienediynes to synthesize the fused 6,7,5-tricyclic compounds. This reaction involves aliphatic C-H functionalization under mild conditions with high regio- and diastereoselectivities. Herein, we present a combined density functional theory (DFT) and experimental study to understand its mechanism. The reaction starts with a 6-endo-dig cyclization to generate a cis-1-alkynyl-2-alkenylcyclopropane. Then, a Cope rearrangement takes place to give a seven-membered-ring allene intermediate, whose central carbon atom possesses vinyl cation character and thus is highly reactive toward aliphatic C-H insertion. After the C-H insertion, two successive [1,2]-hydride shifts then occur to give the tricyclic product and to complete the catalytic cycle. Notably, steric effect induced by the bulky ligand is found to be important for the diastereocontrol in the C-H insertion step. DFT calculations suggested that the malonate-tethered substrate utilized in our previous work may undergo an undesired 5-exo-dig cyclization under gold catalysis, which could be the reason why the desired fused 6,7,5-tricarbocyclic product was not generated. These mechanistic insights then guided us to design substrates with a shortened carbon tether in the present work to inhibit the exo-dig cyclization so that the tandem cyclopropanation/Cope rearrangement/C-H functionalization could occur to construct polycarbocycles containing a seven-membered ring. This prediction was supported by new experiments, providing a new strategy to access fused 5,7,5-tricyclic and 5,7,6,6-tetracyclic carbocycles. In addition, how the substituents affect the chemoselectivity was also investigated.
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Affiliation(s)
- Yi Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry , Peking University , Beijing 100871 , China
| | - Pei-Jun Cai
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry , Peking University , Beijing 100871 , China
| | - Zhi-Xiang Yu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry , Peking University , Beijing 100871 , China
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6
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Zhao Y, Wakeling MG, Meloni F, Sum TJ, van Nguyen H, Buckley BR, Davies PW, Fossey JS. Balancing Bulkiness in Gold(I) Phosphino-triazole Catalysis. European J Org Chem 2019; 2019:5540-5548. [PMID: 31598094 PMCID: PMC6774259 DOI: 10.1002/ejoc.201900850] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Indexed: 11/23/2022]
Abstract
The syntheses of a series of 1-phenyl-5-phosphino 1,2,3-triazoles are disclosed, within which, the phosphorus atom (at the 5-position of a triazole) is appended by one, two or three triazole motifs, and the valency of the phosphorus(III) atom is completed by two, one or zero ancillary (phenyl or cyclohexyl) groups respectively. This series of phosphines was compared with tricyclohexylphosphine and triphenylphosphine to study the effect of increasing the number of triazoles appended to the central phosphorus atom from zero to three triazoles. Gold(I) chloride complexes of the synthesised ligands were prepared and analysed by techniques including single-crystal X-ray diffraction structure determination. Gold(I) complexes were also prepared from 1-(2,6-dimethoxy)-phenyl-5-dicyclohexyl-phosphino 1,2,3-triazole and 1-(2,6-dimethoxy)-phenyl-5-diphenyl-phosphino 1,2,3-triazole ligands. The crystal structures thus obtained were examined using the SambVca (2.0) web tool and percentage buried volumes determined. The effectiveness of these gold(I) chloride complexes to serve as precatalysts for alkyne hydration were assessed. Furthermore, the regioselectivity of hydration of but-1-yne-1,4-diyldibenzene was probed.
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Affiliation(s)
- Yiming Zhao
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
| | - Matthew G. Wakeling
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
| | - Fernanda Meloni
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
| | - Tze Jing Sum
- Department of ChemistryLoughborough UniversityLE11 3TULoughboroughLeicestershireUK
| | - Huy van Nguyen
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
| | - Benjamin R. Buckley
- Department of ChemistryLoughborough UniversityLE11 3TULoughboroughLeicestershireUK
| | - Paul W. Davies
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
| | - John S. Fossey
- School of ChemistryUniversity of BirminghamEdgbastonB15 2TTBirminghamWest MidlandsUK
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7
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Mathiew M, Tan JK, Chan PWH. Gold‐Catalyzed Double Cycloisomerization of 1‐Ene‐4,10‐diynyl Esters to Bicyclo[6.3.0]undeca‐2,4,9‐trienyl Esters. Angew Chem Int Ed Engl 2018; 57:14235-14239. [DOI: 10.1002/anie.201809376] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Mitch Mathiew
- School of Chemistry Monash University Clayton Victoria 3800 Australia
| | | | - Philip Wai Hong Chan
- School of Chemistry Monash University Clayton Victoria 3800 Australia
- Department of Chemistry University of Warwick Coventry CV4 7AL UK
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8
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Mathiew M, Tan JK, Chan PWH. Gold‐Catalyzed Double Cycloisomerization of 1‐Ene‐4,10‐diynyl Esters to Bicyclo[6.3.0]undeca‐2,4,9‐trienyl Esters. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809376] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mitch Mathiew
- School of Chemistry Monash University Clayton Victoria 3800 Australia
| | | | - Philip Wai Hong Chan
- School of Chemistry Monash University Clayton Victoria 3800 Australia
- Department of Chemistry University of Warwick Coventry CV4 7AL UK
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9
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Wang Z, Chen L, Yao Y, Liu Z, Gao JM, She X, Zheng H. Dearomatization of Indole via Intramolecular [3 + 2] Cycloaddition: Access to the Pentacyclic Skeleton of Strychons Alkaloids. Org Lett 2018; 20:4439-4443. [PMID: 30016108 DOI: 10.1021/acs.orglett.8b01720] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient method to build various multisubstituted polycyclic indoline-annulated normal to medium-size rings through dearomatization of indole via a tandem 1,2-acyloxy migration/intramolecular [3 + 2] cycloaddition process is described. The pentacyclic skeleton of strychnine could be synthesized via this tandem cycloaddition and a further Mannich reaction. This approach would provide a novel strategy to the synthesis of strychons alkaloids.
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Affiliation(s)
- Zhengshen Wang
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Luxin Chen
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Yuan Yao
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Zhigang Liu
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Xuegong She
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
| | - Huaiji Zheng
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China.,Key Laboratory of Botanical Pesticide R&D in Shaanxi Province , Yangling 712100 , China
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10
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Kim N, Widenhoefer RA. Synthesis, Characterization, and Reactivity of Cationic Gold Diarylallenylidene Complexes. Angew Chem Int Ed Engl 2018; 57:4722-4726. [DOI: 10.1002/anie.201713209] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 02/27/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Nana Kim
- French Family Science Center Duke University Durham NC 27708-0346 USA
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11
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Synthesis, Characterization, and Reactivity of Cationic Gold Diarylallenylidene Complexes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713209] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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12
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13
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Hines JM, Eason JJ, Siebert MR. One Lump or Two? A Plurality of Pathways in Gold(III)-Catalyzed Cyclization Transforming Propargyl Acetates to a Carene-like Bicyclo[4.1.0]heptane. Organometallics 2017. [DOI: 10.1021/acs.organomet.6b00946] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jeremy M. Hines
- Department of Chemistry, Missouri State University, Springfield, Missouri 65897, United States
| | - Jesse J. Eason
- Department of Chemistry, Missouri State University, Springfield, Missouri 65897, United States
| | - Matthew R. Siebert
- Department of Chemistry, Missouri State University, Springfield, Missouri 65897, United States
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14
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Kim N, Brooner REM, Widenhoefer RA. Unexpected Skeletal Rearrangement in the Gold(I)/Silver(I)-Catalyzed Conversion of 7-Aryl-1,6-enynes to Bicyclo[3.2.0]hept-6-enes via Hidden Brønsted Acid Catalysis. Organometallics 2017. [DOI: 10.1021/acs.organomet.6b00868] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nana Kim
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708, United States
| | - Rachel E. M. Brooner
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708, United States
| | - Ross A. Widenhoefer
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708, United States
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15
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Pérez-Galán P, Waldmann H, Kumar K. Building polycyclic indole scaffolds via gold(I)-catalyzed intra- and inter-molecular cyclization reactions of 1,6-enynes. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.03.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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16
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Harris RJ, Widenhoefer RA. Gold carbenes, gold-stabilized carbocations, and cationic intermediates relevant to gold-catalysed enyne cycloaddition. Chem Soc Rev 2016; 45:4533-51. [PMID: 27146712 DOI: 10.1039/c6cs00171h] [Citation(s) in RCA: 211] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cationic gold complexes in which gold is bound to a formally divalent carbon atom, typically formulated as gold carbenes or α-metallocarbenium ions, have been widely invoked in a range of gold-catalyzed transformations, most notably in the gold-catalyzed cycloisomerization of 1,n-enynes. Although the existence of gold carbene complexes as intermediates in gold-catalyzed transformations is supported by a wealth of indirect experimental data and by computation, until recently no examples of cationic gold carbenes/α-metallocarbenium ions had been synthesized nor had any cationic intermediates generated via gold-catalyzed enyne cycloaddition been directly observed. Largely for this reason, there has been considerable debate regarding the electronic structure of these cationic complexes, in particular the relative contributions of the carbene (LAu(+)[double bond, length as m-dash]CR2) and α-metallocarbenium (LAu-CR2(+)) forms, which is intimately related to the extent of d → p backbonding from gold to the C1 carbon atom. However, over the past ∼ seven years, a number of cationic gold carbene complexes have been synthesized in solution and generated in the gas phase and cationic intermediates have been directly observed in the gold-catalyzed cycloaddition of enynes. Together, these advances provide insight into the nature and electronic structure of gold carbene/α-metallocarbenium complexes and the cationic intermediates generated via gold-catalyzed enyne cycloaddition. Herein we review recent advances in this area.
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Affiliation(s)
- R J Harris
- French Family Science Center, Duke University, Durham, NC 27708-0346, USA.
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17
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Han SM, Liu T, Yu ZY. Theoretical insight into the mechanisms of the synthesis of chiral gold(I)–aminocarbene complexes. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2015.10.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Zalesskiy SS, Khrustalev VN, Kostukovich AY, Ananikov VP. Carboxylic Group-Assisted Proton Transfer in Gold-Mediated Thiolation of Alkynes. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00210] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Sergey S. Zalesskiy
- N.D.
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia
| | - Victor N. Khrustalev
- A.N.
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Street, 28, Moscow, 119991, Russia
| | - Alexandr Yu. Kostukovich
- A.N.
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Street, 28, Moscow, 119991, Russia
| | - Valentine P. Ananikov
- N.D.
Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia
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19
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Nunes dos Santos Comprido L, Klein JEMN, Knizia G, Kästner J, Hashmi ASK. Zu den stabilisierenden Effekten in Carbengoldkomplexen. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201412401] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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20
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Nunes Dos Santos Comprido L, Klein JEMN, Knizia G, Kästner J, Hashmi ASK. The Stabilizing Effects in Gold Carbene Complexes. Angew Chem Int Ed Engl 2015; 54:10336-40. [PMID: 25951142 DOI: 10.1002/anie.201412401] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Revised: 02/04/2015] [Indexed: 01/04/2023]
Abstract
Bonding and stabilizing effects in gold carbene complexes are investigated by using Kohn-Sham density functional theory (DFT) and the intrinsic bond orbital (IBO) approach. The π-stabilizing effects of organic substituents at the carbene carbon atom coordinated to the gold atom are evaluated for a series of recently isolated and characterized complexes, as well as intermediates of prototypical 1,6-enyne cyclization reactions. The results indicate that these effects are of particular importance for gold complexes especially because of the low π-backbonding contribution from the gold atom.
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Affiliation(s)
| | - Johannes E M N Klein
- Institut für Theoretische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart (Germany).,Present address: Department of Chemistry, University of Minnesota; Minneapolis (USA)
| | - Gerald Knizia
- Department of Chemistry, Pennsylvania State University (USA)
| | - Johannes Kästner
- Institut für Theoretische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart (Germany).
| | - A Stephen K Hashmi
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg (Germany). .,Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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21
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Harris RJ, Widenhoefer RA. Synthesis and Characterization of a Gold Vinylidene Complex Lacking π-Conjugated Heteroatoms. Angew Chem Int Ed Engl 2015; 54:6867-9. [DOI: 10.1002/anie.201501474] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Indexed: 11/06/2022]
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22
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Harris RJ, Widenhoefer RA. Synthesis and Characterization of a Gold Vinylidene Complex Lacking π-Conjugated Heteroatoms. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501474] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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23
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Robertson BD, Brooner REM, Widenhoefer RA. Tandem Gold/Silver-Catalyzed Cycloaddition/Hydroarylation of 7-Aryl-1,6-enynes to Form 6,6-Diarylbicyclo[3.2.0]heptanes. Chemistry 2015; 21:5714-7. [DOI: 10.1002/chem.201500371] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Indexed: 02/05/2023]
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24
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Brooner REM, Robertson BD, Widenhoefer RA. Mechanism of 1,3-Hydrogen Migration in a Gold Bicyclo[3.2.0]heptene Complex: The Role of Brønsted Acid in the Gold-Catalyzed Cycloisomerization of 7-Aryl-1,6-Enynes. Organometallics 2014. [DOI: 10.1021/om500815k] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Rachel E. M. Brooner
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708-0346, United States
| | - Bradley D. Robertson
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708-0346, United States
| | - Ross A. Widenhoefer
- Department of Chemistry,
French Family Science Center, Duke University, Durham, North Carolina 27708-0346, United States
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25
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Kolundžić F, Murali A, Pérez-Galán P, Bauer JO, Strohmann C, Kumar K, Waldmann H. A cyclization-rearrangement cascade for the synthesis of structurally complex chiral gold(I)-aminocarbene complexes. Angew Chem Int Ed Engl 2014; 53:8122-6. [PMID: 25044294 DOI: 10.1002/anie.201403651] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 05/07/2014] [Indexed: 01/06/2023]
Abstract
A facile synthesis of chiral cyclic alkyl aminocarbene-gold(I) complexes from gold-free 1,7-enyne substrates was developed. The novel cyclization-rearrangement reaction sequence is triggered by the addition of (Me2S)AuCl to different 1,7-enynes and leads to structurally unique carbene-gold(I) complexes in high yields. These novel complexes are catalytically active and inhibit the proliferation of different human cancer cell lines.
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Affiliation(s)
- Filip Kolundžić
- Max-Planck-Institut für molekulare Physiologie, Otto-Hahn-Strasse 11, 44227 Dortmund (Germany)
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26
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Kolundžić F, Murali A, Pérez-Galán P, Bauer JO, Strohmann C, Kumar K, Waldmann H. A Cyclization-Rearrangement Cascade for the Synthesis of Structurally Complex Chiral Gold(I)-Aminocarbene Complexes. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403651] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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27
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Obradors C, Echavarren AM. Intriguing mechanistic labyrinths in gold(I) catalysis. Chem Commun (Camb) 2014; 50:16-28. [PMID: 24176910 PMCID: PMC4162457 DOI: 10.1039/c3cc45518a] [Citation(s) in RCA: 273] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 10/16/2013] [Indexed: 12/14/2022]
Abstract
Many mechanistically intriguing reactions have been developed in the last decade using gold(I) as catalyst. Here we review the main mechanistic proposals in gold-catalysed activation of alkynes and allenes, in which this metal plays a central role by stabilising a variety of complex cationic intermediates.
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Affiliation(s)
- Carla Obradors
- Institute of Chemical Research of Catalonia (ICIQ) , Av. Països Catalans 16 , 43007 Tarragona , Spain .
| | - Antonio M. Echavarren
- Institute of Chemical Research of Catalonia (ICIQ) , Av. Països Catalans 16 , 43007 Tarragona , Spain .
- Departament de Química Analítica i Química Orgànica , Universitat Rovira i Virgili , C/Marcel. li Domingo s/n , 43007 Tarragona , Spain
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Arumugam K, Varghese B, Brantley JN, Konda SSM, Lynch VM, Bielawski CW. 1,6-Enyne Cyclizations Catalyzed by N-Heterocyclic Carbene Supported Gold Complexes: Deconvoluting Sterics and Electronics. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301137] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Jašíková L, Roithová J. Interaction of Gold Acetylides with Gold(I) or Silver(I) Cations. Organometallics 2013. [DOI: 10.1021/om4006774] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lucie Jašíková
- Department
of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030/8, 12843 Prague 2, Czech Republic
| | - Jana Roithová
- Department
of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030/8, 12843 Prague 2, Czech Republic
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31
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Nunes dos Santos Comprido L, Hashmi ASK. Catalytic Oxidative Cyclisation Reactions of 1,6-Enynes: A Critical Comparison Between Gold and Palladium. Isr J Chem 2013. [DOI: 10.1002/ijch.201300072] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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32
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Oxygenation of Ruthenium Carbene Complexes Containing Naphthothiophene or Naphthofuran: Spectroscopic and DFT Studies. Chem Asian J 2013; 8:2833-42. [DOI: 10.1002/asia.201300726] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2013] [Indexed: 11/07/2022]
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33
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Abbiati G, Marinelli F, Rossi E, Arcadi A. Synthesis of Indole Derivatives from 2-Alkynylanilines by Means of Gold Catalysis. Isr J Chem 2013. [DOI: 10.1002/ijch.201300040] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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34
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35
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Brooner REM, Brown TJ, Widenhoefer RA. Synthesis and study of cationic, two-coordinate triphenylphosphine-gold-π complexes. Chemistry 2013; 19:8276-84. [PMID: 23592521 DOI: 10.1002/chem.201204564] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2012] [Indexed: 11/11/2022]
Abstract
Cationic, two-coordinate triphenylphosphine-gold(I)-π complexes of the form [(PPh₃)Au(π ligand)]⁺SbF₆⁻ (π ligand=4-methylstyrene, 1∙SbF₆), 2-methyl-2-butene (3∙SbF₆), 3-hexyne (6∙SbF₆), 1,3-cyclohexadiene (7∙SbF₆), 3-methyl-1,2-butadiene (8∙SbF₆), and 1,7-diphenyl-3,4-heptadiene (10∙SbF₆) were generated in situ from reaction of [(PPh₃)AuCl], AgSbF₆, and π ligand at -78 °C and were characterized by low-temperature, multinuclear NMR spectroscopy without isolation. The π ligands of these complexes were both weakly bound and kinetically labile and underwent facile intermolecular exchange with free ligand (ΔG(≠) ≈9 kcal mol(-1) in the case of 6∙SbF₆) and competitive displacement by weak σ donors, such as trifluoromethane sulfonate. Triphenylphosphine-gold(I)-π complexes were thermally unstable and decomposed above -20 °C to form the bis(triphenylphosphine) gold cation [(PPh₃)₂Au]⁺SbF₆⁻ (2∙SbF₆).
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Affiliation(s)
- Rachel E M Brooner
- Department of Chemistry, Duke University, French Family Science Center, Durham, NC 27708, USA
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36
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Koo J, Park HS, Shin S. Selectivity control by silver catalysts in the cycloisomerization of 1,6-enynes derived from propiolamides. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.11.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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37
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Zalesskiy SS, Sedykh AE, Kashin AS, Ananikov VP. Efficient general procedure to access a diversity of gold(0) particles and gold(I) phosphine complexes from a simple HAuCl4 source. Localization of homogeneous/heterogeneous system's interface and field-emission scanning electron microscopy study. J Am Chem Soc 2013; 135:3550-9. [PMID: 23276227 DOI: 10.1021/ja311258e] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Soluble gold precatalysts, aimed for homogeneous catalysis, under certain conditions may form nanoparticles, which dramatically change the mechanism and initiate different chemistry. The present study addresses the question of designing gold catalysts, taking into account possible interconversions and contamination at the homogeneous/heterogeneous system's interface. It was revealed that accurate localization of boundary experimental conditions for formation of molecular gold complexes in solution versus nucleation and growth of gold particles opens new opportunities for well-known gold chemistry. Within the developed concept, a series of practical procedures was created for efficient synthesis of soluble gold complexes with various phosphine ligands (R3P)AuCl (90-99% yield) and for preparation of different types of gold materials. The effect of the ligand on the particles growth in solution has been observed and characterized with high-resolution field-emission scanning electron microscopy (FE-SEM) study. Two unique types of nanostructured gold materials were prepared: hierarchical agglomerates and gold mirror composed of ultrafine smoothly shaped particles.
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Affiliation(s)
- Sergey S Zalesskiy
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
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38
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Campos J, Peloso R, Carmona E. Synthesis and Reactivity of a Cationic Platinum(II) Alkylidene Complex. Angew Chem Int Ed Engl 2012; 51:8255-8. [DOI: 10.1002/anie.201202655] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Indexed: 11/09/2022]
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39
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Campos J, Peloso R, Carmona E. Synthesis and Reactivity of a Cationic Platinum(II) Alkylidene Complex. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201202655] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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40
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Herndon JW. The chemistry of the carbon–transition metal double and triple bond: Annual survey covering the year 2010. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.02.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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41
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Gryparis C, Efe C, Raptis C, Lykakis IN, Stratakis M. Cyclization of 1,6-Enynes Catalyzed by Gold Nanoparticles Supported on TiO2: Significant Changes in Selectivity and Mechanism, as Compared to Homogeneous Au-Catalysis. Org Lett 2012; 14:2956-9. [DOI: 10.1021/ol301212j] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Charis Gryparis
- Department of Chemistry, University of Crete, Voutes 71003 Iraklion, Greece
| | - Christina Efe
- Department of Chemistry, University of Crete, Voutes 71003 Iraklion, Greece
| | - Christos Raptis
- Department of Chemistry, University of Crete, Voutes 71003 Iraklion, Greece
| | - Ioannis N. Lykakis
- Department of Chemistry, University of Crete, Voutes 71003 Iraklion, Greece
| | - Manolis Stratakis
- Department of Chemistry, University of Crete, Voutes 71003 Iraklion, Greece
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42
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Hashmi ASK, Braun I, Rudolph M, Rominger F. The Role of Gold Acetylides as a Selectivity Trigger and the Importance of gem-Diaurated Species in the Gold-Catalyzed Hydroarylating-Aromatization of Arene-Diynes. Organometallics 2012. [DOI: 10.1021/om200946m] [Citation(s) in RCA: 286] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- A. Stephen K. Hashmi
- Organisch-Chemisches
Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg,
Germany
| | - Ingo Braun
- Organisch-Chemisches
Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg,
Germany
| | - Matthias Rudolph
- Organisch-Chemisches
Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg,
Germany
| | - Frank Rominger
- Organisch-Chemisches
Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg,
Germany
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43
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El-Hellani A, Bour C, Gandon V. Evaluation of the Electronic Properties of a Carbodiphosphorane through Gold Catalysis. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100287] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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44
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Huang H, Zhou Y, Liu H. Recent advances in the gold-catalyzed additions to C-C multiple bonds. Beilstein J Org Chem 2011; 7:897-936. [PMID: 21804887 PMCID: PMC3135236 DOI: 10.3762/bjoc.7.103] [Citation(s) in RCA: 170] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Accepted: 06/06/2011] [Indexed: 12/20/2022] Open
Abstract
C-O, C-N and C-C bonds are the most widespread types of bonds in nature, and are the cornerstone of most organic compounds, ranging from pharmaceuticals and agrochemicals to advanced materials and polymers. Cationic gold acts as a soft and carbophilic Lewis acid and is considered one of the most powerful activators of C-C multiple bonds. Consequently, gold-catalysis plays an important role in the development of new strategies to form these bonds in more convenient ways. In this review, we highlight recent advances in the gold-catalyzed chemistry of addition of X-H (X = O, N, C) bonds to C-C multiple bonds, tandem reactions, and asymmetric additions. This review covers gold-catalyzed organic reactions published from 2008 to the present.
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Affiliation(s)
- He Huang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yu Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Hong Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
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45
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Yeh MCP, Lin MN, Chou YS, Lin TC, Tseng LY. Synthesis of the phenanthrene and cyclohepta[a]naphthalene skeletons via gold(I)-catalyzed intramolecular cyclization of unactivated cyclic 5-(2-arylethyl)-1,3-dienes. J Org Chem 2011; 76:4027-33. [PMID: 21500865 DOI: 10.1021/jo200445p] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The gold(I)-catalyzed hydroarylation of cyclohexa-1,3-dienes bearing an aryl group and a gem-diester in the tether proceeds in a 1,4-addition manner and in a diastereoselective fashion to afford perhydrophenanthrene rings. The reaction proceeded via attack of the aryl group onto the gold-activated cyclic dienes followed by rearomatization and protodeauration to generate perhydrophenanthrenes in good yields. This hydroarylation can be applied to the synthesis of perhydrocyclohepta[a]naphthalenes from aryl-tethered cycloheptadienes and the gold(I) catalyst.
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Affiliation(s)
- Ming-Chang P Yeh
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
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46
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Fehr C, Vuagnoux M, Buzas A, Arpagaus J, Sommer H. Gold‐ and Copper‐Catalyzed Cycloisomerizations towards the Synthesis of Thujopsanone‐Like Compounds. Chemistry 2011; 17:6214-20. [DOI: 10.1002/chem.201002797] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2010] [Indexed: 11/07/2022]
Affiliation(s)
- Charles Fehr
- Firmenich SA, Corporate R&D Division, P. O. Box 239, CH‐1211 Geneva 8 (Switzerland), Fax: (+41) 22 780 33 34
| | - Magali Vuagnoux
- Firmenich SA, Corporate R&D Division, P. O. Box 239, CH‐1211 Geneva 8 (Switzerland), Fax: (+41) 22 780 33 34
- Postdoctoral fellow at Firmenich SA (July 2007–June 2008), Syngenta Crop Protection, Route de l'Ile au Bois, 1870 Monthey (Switzerland)
| | - Andrea Buzas
- Firmenich SA, Corporate R&D Division, P. O. Box 239, CH‐1211 Geneva 8 (Switzerland), Fax: (+41) 22 780 33 34
- Postdoctoral fellow at Firmenich SA (November 2008–October 2009), Procter & Gamble, Route de Saint Georges 47, 1213 Petit Lancy (Switzerland)
| | - Jeremy Arpagaus
- Firmenich SA, Corporate R&D Division, P. O. Box 239, CH‐1211 Geneva 8 (Switzerland), Fax: (+41) 22 780 33 34
| | - Horst Sommer
- Firmenich SA, Corporate R&D Division, P. O. Box 239, CH‐1211 Geneva 8 (Switzerland), Fax: (+41) 22 780 33 34
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47
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Hashmi ASK, Molinari L, Rominger F, Oeser T. Gold Catalysis: Products and Intermediates Obtained from N-Propargylcarboxamides Bearing Additional Substituents on Nitrogen. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100179] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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48
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Fehr C, Vuagnoux M, Sommer H. Copper-Catalyzed Cyclization-Fragmentations of Enynols. Chemistry 2011; 17:3832-6. [DOI: 10.1002/chem.201002314] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2010] [Revised: 01/13/2011] [Indexed: 11/10/2022]
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49
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50
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Yeh MCP, Lin MN, Chang WJ, Liou JL, Shih YF. Synthesis of cis-3-Acyl-4-alkenylpyrrolidines via Gold(I)-Catalyzed Cycloisomerization Reaction of (Z)-8-Aryl-5-tosyl-5-azaoct-2-en-7-yn-1-ols. J Org Chem 2010; 75:6031-4. [DOI: 10.1021/jo101148e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ming-Chang P. Yeh
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
| | - Ming-Nan Lin
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
| | - Wei-Jong Chang
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
| | - Jia-Lun Liou
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
| | - Ya-Fon Shih
- Department of Chemistry, National Taiwan Normal University, 88 Ding-Jou Road, Section 4, Taipei 11677, Taiwan, Republic of China
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