1
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Halford-McGuff JM, Slawin AMZ, Watson AJB. Steric Parameterization Delivers a Reciprocally Predictive Model for Substrate Reactivity and Catalyst Turnover in Rh-Catalyzed Diyne-Alkyne [2 + 2 + 2] Cycloadditions. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Affiliation(s)
- John M. Halford-McGuff
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K
| | - Alexandra M. Z. Slawin
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K
| | - Allan J. B. Watson
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K
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2
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Kolos AV, Nelyubina YV, Perekalin DS. Catalytic and Stoichiometric Reactions of the Parent Olefin Rhodium(I) Complex with Alkynes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrey V. Kolos
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova str., Moscow 119991, Russian Federation
| | - Yulia V. Nelyubina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova str., Moscow 119991, Russian Federation
| | - Dmitry S. Perekalin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova str., Moscow 119991, Russian Federation
- Plekhanov Russian University of Economics, 36 Stremyannyi Pereulok, Moscow 117997, Russian Federation
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3
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Smith PJ, Tong Z, Ragus J, Solon P, Shimkin KW, Anderson EA. Rhodium-Catalyzed [2 + 2 + 2] Cyclotrimerizations of Yndiamides with Alkynes. Org Lett 2022; 24:7522-7526. [PMID: 36214595 DOI: 10.1021/acs.orglett.2c02770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Yndiamides offer opportunities for the synthesis of vicinally nitrogen-disubstituted aromatics and azacycles. Here we report the Rh-catalyzed cyclotrimerization of alkynyl yndiamides with alkynes, the regiochemical outcome of which is controlled by the electronic properties of the alkyne partner, enabling the formation of 7-aminoindolines with excellent selectivity (up to >20:1 r.r.). We also report a complementary synthesis of bicyclic 1,2-dianiline derivatives by cyclotrimerization of yndiamides with terminal diynes, where slow addition of the diyne overcomes self-dimerization.
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Affiliation(s)
- Philip J Smith
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, OxfordOX1 3TA, U.K
| | - Zixuan Tong
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, OxfordOX1 3TA, U.K
| | - Julia Ragus
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, OxfordOX1 3TA, U.K
| | - Pearse Solon
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, OxfordOX1 3TA, U.K
| | - Kirk W Shimkin
- Discovery Chemistry, Therapeutics Discovery, Janssen Research & Development, LLC, Spring House, Pennsylvania19477, United States
| | - Edward A Anderson
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, OxfordOX1 3TA, U.K
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4
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The Choice of Rhodium Catalysts in [2+2+2] Cycloaddition Reaction: A Personal Account. Molecules 2022; 27:molecules27041332. [PMID: 35209119 PMCID: PMC8880486 DOI: 10.3390/molecules27041332] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 11/16/2022] Open
Abstract
[2+2+2] Cycloaddition reaction is a captivating process that assembles six-membered rings from three unsaturations with complete atom economy. Of the multiple transition metals that can be used to catalyze this reaction, rhodium offers many advantages. These include high activity and versatility, but especially the ability to easily tune the reactivity and selectivity by the modification of the ligands around the metal. In this personal account, we summarize our endeavours in the development of efficient and sustainable [2+2+2] cycloaddition reactions to prepare products of interest, develop conditions in which the catalyst can be recovered and reused, and understand the mechanistic details that govern the selectivity of the processes.
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5
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Witulski B, Alayrac C. Rhodium-Catalyzed Crossed [2+2+2] Cycloaddition with Ynamides: Key-Strategy for the Concise Total Synthesis of 3-Oxygenated Carbazole Alkaloids. HETEROCYCLES 2021. [DOI: 10.3987/com-20-s(k)24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Mehara J, Roithová J. Identifying reactive intermediates by mass spectrometry. Chem Sci 2020; 11:11960-11972. [PMID: 34123215 PMCID: PMC8162775 DOI: 10.1039/d0sc04754f] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 10/19/2020] [Indexed: 01/11/2023] Open
Abstract
Development of new reactions requires finding and understanding of novel reaction pathways. In challenging reactions such as C-H activations, these pathways often involve highly reactive intermediates which are the key to our understanding, but difficult to study. Mass spectrometry has a unique sensitivity for detecting low abundant charged species; therefore it is increasingly used for detection of such intermediates in metal catalysed- and organometallic reactions. This perspective shows recent developments in the field of mass spectrometric research of reaction mechanisms with a special focus on going beyond mass-detection. Chapters discuss the advantages of collision-induced dissociation, ion mobility and ion spectroscopy for characterization of structures of the detected intermediates. In addition, we discuss the relationship between the condensed phase chemistry and mass spectrometric detection of species from solution.
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Affiliation(s)
- Jaya Mehara
- Institute for Molecules and Materials, Radboud University Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
| | - Jana Roithová
- Institute for Molecules and Materials, Radboud University Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
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7
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Roglans A, Pla-Quintana A, Solà M. Mechanistic Studies of Transition-Metal-Catalyzed [2 + 2 + 2] Cycloaddition Reactions. Chem Rev 2020; 121:1894-1979. [DOI: 10.1021/acs.chemrev.0c00062] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Anna Roglans
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003, Girona, Catalonia, Spain
| | - Anna Pla-Quintana
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003, Girona, Catalonia, Spain
| | - Miquel Solà
- Institut de Quı́mica Computacional i Catàlisi (IQCC) and Departament de Quı́mica, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003, Girona, Catalonia, Spain
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8
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Torres Ò, Fernàndez M, Díaz-Jiménez À, Pla-Quintana A, Roglans A, Solà M. Examining the Factors That Govern the Regioselectivity in Rhodium-Catalyzed Alkyne Cyclotrimerization. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00347] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Òscar Torres
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
| | - Martí Fernàndez
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
| | - Àlex Díaz-Jiménez
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
| | - Anna Pla-Quintana
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
| | - Anna Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, E-17003 Girona, Catalonia, Spain
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9
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Geer AM, Julián A, López JA, Ciriano MA, Tejel C. Pseudo-tetrahedral Rhodium and Iridium Complexes: Catalytic Synthesis of E-Enynes. Chemistry 2018; 24:17545-17556. [PMID: 30207408 DOI: 10.1002/chem.201803878] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Indexed: 01/04/2023]
Abstract
The reactions of the rhodium(I) and iridium(I) complexes [M(PhBP3 )(C2 H4 )(NCMe)] (PhBP3 =PhB(CH2 PPh2 )3 - ) with alkynes have resulted in the synthesis of a new family of pseudo-tetrahedral complexes, [M(PhBP3 )(RC≡CR')] (M=Rh, Ir), which contain the alkyne as a four-electron donor. The reactions of these unusual compounds with two-electron donors (L=PMe3 , CNtBu) produced a change in the "donicity" of the alkyne from a 4e- to a 2e- donor to give five-coordinate complexes. These were the final products with the iridium complexes, whereas further reactions took place with the rhodium complexes. In particular, C(sp)-H bond activation of the alkyne occurred leading to hydrido alkynyl complexes. This process is essential for the further reactivity of the alkynes, and if the alkyne itself was used as reagent, E-enyne complexes were obtained. As a consequence of this chemistry, we show that the complex [Rh(PhBP3 )(C2 H4 )(NCMe)] is a very efficient pre-catalyst for the regioselective di- and trimerization of terminal alkynes to E-enynes and benzene derivatives, respectively. Interestingly, acetonitrile significantly enhanced the catalytic activity by facilitating the C(sp)-H bond activation step. A hydrometalation mechanism to account for these experimental observations is proposed.
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Affiliation(s)
- Ana M Geer
- Departamento de Química Inorgánica, Instituto de Síntesis QuímicayCatálisis Homogénea-ISQCH, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Alejandro Julián
- Departamento de Química Inorgánica, Instituto de Síntesis QuímicayCatálisis Homogénea-ISQCH, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - José A López
- Departamento de Química Inorgánica, Instituto de Síntesis QuímicayCatálisis Homogénea-ISQCH, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Miguel A Ciriano
- Departamento de Química Inorgánica, Instituto de Síntesis QuímicayCatálisis Homogénea-ISQCH, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Cristina Tejel
- Departamento de Química Inorgánica, Instituto de Síntesis QuímicayCatálisis Homogénea-ISQCH, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
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10
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Meng YY, Kang WF, Si XJ, Song YY, Li YJ, Xu F. HKUST-1-Catalyzed Formation of C-C and C-N Bonds: Rapid Assembly of Substituted Pyridines from Propargylamine and Carbonyl Compounds. ChemistrySelect 2018. [DOI: 10.1002/slct.201801799] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yan-Yu Meng
- Department of College of Science; Henan Agricultural University; Zhengzhou 450002, P. R. China
| | - Wei-Fen Kang
- Department of Material and Chemical Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002, P. R. China
| | - Xiao-Ju Si
- Department of Material and Chemical Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002, P. R. China
| | - Yuan-Yuan Song
- Department of Material and Chemical Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002, P. R. China
| | - Yan-Jie Li
- Department of Material and Chemical Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002, P. R. China
| | - Fen Xu
- Department of Material and Chemical Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002, P. R. China
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11
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Affiliation(s)
- Anna Pla-Quintana
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona; C/ Maria Aurèlia Capmany 69 17003 Girona Catalonia Spain
| | - Anna Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona; C/ Maria Aurèlia Capmany 69 17003 Girona Catalonia Spain
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12
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Thiel I, Horstmann M, Jungk P, Keller S, Fischer F, Drexler HJ, Heller D, Hapke M. Insight into the Activation of In Situ Generated Chiral Rh I Catalysts and Their Application in Cyclotrimerizations. Chemistry 2017; 23:17048-17057. [PMID: 28902959 DOI: 10.1002/chem.201703198] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Indexed: 12/16/2022]
Abstract
We report a detailed study concerning the efficient generation of highly active chiral rhodium complexes of the general structure [Rh(diphosphine)(solvent)2 ]+ as well as their exemplary successful utilization as catalysts for cyclotrimerizations. Such solvent complexes could likewise be prepared from novel ammonia complexes of the type [Rh(diphosphine)(NH3 )2 ]+ . A valuable, feasible approach to generate novel chiral RhI complexes was found by in situ generation from Wilkinson's catalyst [RhCl(PPh3 )3 ] with chiral P,N ligands. The generated catalysts led to moderate to good enantioselectivities and excellent yields in the cyclotrimerizations of triynes, showcasing their usefulness in the synthesis of axially chiral benzene derivatives.
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Affiliation(s)
- Indre Thiel
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Moritz Horstmann
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Phillip Jungk
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Sonja Keller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Fabian Fischer
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Hans-Joachim Drexler
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Detlef Heller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Marko Hapke
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock (LIKAT Rostock), Albert-Einstein-Straße 29a, 18059, Rostock, Germany.,Johannes Kepler Universität Linz, Institut für Katalyse (INCA), Altenberger Straße 69, 4040, Linz, Austria
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13
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Cassú D, Parella T, Solà M, Pla-Quintana A, Roglans A. Rhodium-Catalyzed [2+2+2] Cycloaddition Reactions of Linear Allene-Ene-Ynes to afford Fused Tricyclic Scaffolds: Insights into the Mechanism. Chemistry 2017; 23:14889-14899. [DOI: 10.1002/chem.201703194] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Indexed: 10/19/2022]
Affiliation(s)
- Daniel Cassú
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona (UdG), Facultat de Ciències; C/ Maria Aurèlia Capmany, 69 17003- Girona Spain
| | - Teodor Parella
- Servei de Ressonància Magnètica Nuclear; Universitat Autònoma de Barcelona (UAB); 08193 Cerdanyola, Barcelona Spain
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona (UdG), Facultat de Ciències; C/ Maria Aurèlia Capmany, 69 17003- Girona Spain
| | - Anna Pla-Quintana
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona (UdG), Facultat de Ciències; C/ Maria Aurèlia Capmany, 69 17003- Girona Spain
| | - Anna Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona (UdG), Facultat de Ciències; C/ Maria Aurèlia Capmany, 69 17003- Girona Spain
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14
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Babazadeh M, Soleimani-Amiri S, Vessally E, Hosseinian A, Edjlali L. Transition metal-catalyzed [2 + 2 + 2] cycloaddition of nitrogen-linked 1,6-diynes: a straightforward route to fused pyrrolidine systems. RSC Adv 2017. [DOI: 10.1039/c7ra05398c] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Transition metal-catalyzed [2 + 2 + 2] cycloadditions of nitrogen-linked 1,6-diynes with unsaturated motifs have recently attracted more attention from synthetic organic chemists because of their high efficiency in the construction of numerous pyrrolidine based systems.
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Affiliation(s)
| | | | | | - Akram Hosseinian
- Department of Engineering Science
- College of Engineering
- University of Tehran
- Tehran
- Iran
| | - Ladan Edjlali
- Department of Chemistry
- Tabriz Branch
- Islamic Azad University
- Tabriz
- Iran
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15
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Pericas À, Jiménez R, Granados A, Shafir A, Vallribera A, Roglans A, Molins E. Lanthanides-pybox: An Excellent Combination for Highly Enantioselective Electrophilic α-Amination of Acyclic β-Keto Esters. Isolation of Ternary Pybox/Ln/β-Keto Ester Complexes. ChemistrySelect 2016. [DOI: 10.1002/slct.201600820] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Àlex Pericas
- Department of Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universitat Autònoma de Barcelona, Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
| | - Rubén Jiménez
- Department of Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universitat Autònoma de Barcelona, Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
| | - Albert Granados
- Department of Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universitat Autònoma de Barcelona, Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
| | - Alexandr Shafir
- Department of Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universitat Autònoma de Barcelona, Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
- Institut of Chemical Research of Catalonia (ICIQ); Barcelona Institute of Science and Technology; Avda. Països Catalans 16 43007 Tarragona Spain
| | - Adelina Vallribera
- Department of Chemistry and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universitat Autònoma de Barcelona, Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
| | - Anna Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química; Universitat de Girona, Campus de Montilivi; 17071- Girona Spain
| | - Elies Molins
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB; 08193-Cerdanyola del Vallès Barcelona Spain
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16
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Bottari G, Santos LL, Posadas CM, Campos J, Mereiter K, Paneque M. Reaction of [TpRh(C2 H4 )2 ] with Dimethyl Acetylenedicarboxylate: Identification of Intermediates of the [2+2+2] Alkyne and Alkyne-Ethylene Cyclo(co)trimerizations. Chemistry 2016; 22:13715-23. [PMID: 27535720 DOI: 10.1002/chem.201601927] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Indexed: 11/06/2022]
Abstract
The reaction between the bis(ethylene) complex [TpRh(C2 H4 )2 ], 1, (Tp=hydrotris(pyrazolyl)borate), and dimethyl acetylenedicarboxylate (DMAD) has been studied under different experimental conditions. A mixture of products was formed, in which TpRh(I) species were prevalent, whereas the presence of trapping agents, like water or acetonitrile, allowed for the stabilization and isolation of octahedral TpRh(III) compounds. An excess of DMAD gave rise to a small amount of the [2+2+2] cyclotrimerization product hexamethyl mellitate (6). Although no catalytic application of 1 was achieved, mechanistic insights shed light on the formation of stable rhodium species representing the resting state of the catalytic cycle of rhodium-mediated [2+2+2] cyclo(co)trimerization reactions. Metallacyclopentene intermediate species, generated from the activation of one alkyne and one ethylene molecule from 1, and metallacyclopentadiene species, formed by oxidative coupling of two alkynes to the rhodium centre, are crucial steps in the pathways leading to the final organometallic and organic products.
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Affiliation(s)
- Giovanni Bottari
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Sevilla, Avenida Américo Vespucio 49, 41092, Sevilla, Spain
| | - Laura L Santos
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Sevilla, Avenida Américo Vespucio 49, 41092, Sevilla, Spain.
| | - Cristina M Posadas
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Sevilla, Avenida Américo Vespucio 49, 41092, Sevilla, Spain
| | - Jesús Campos
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Sevilla, Avenida Américo Vespucio 49, 41092, Sevilla, Spain
| | - Kurt Mereiter
- Department of Chemistry, Vienna University of Technology, Getreidemarkt 9/164SC, 1060, Vienna, Austria
| | - Margarita Paneque
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Sevilla, Avenida Américo Vespucio 49, 41092, Sevilla, Spain.
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17
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Schulz J, Jašík J, Gray A, Roithová J. Formation of Oxazoles from Elusive Gold(I) α-Oxocarbenes: A Mechanistic Study. Chemistry 2016; 22:9827-34. [DOI: 10.1002/chem.201601634] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Jiří Schulz
- Department of Organic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 128 43 Prague Czech Republic
| | - Juraj Jašík
- Department of Organic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 128 43 Prague Czech Republic
| | - Andrew Gray
- Department of Organic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 128 43 Prague Czech Republic
| | - Jana Roithová
- Department of Organic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 128 43 Prague Czech Republic
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18
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Gayakhe V, Ardhapure A, Kapdi AR, Sanghvi YS, Serrano JL, García L, Pérez J, García J, Sánchez G, Fischer C, Schulzke C. Water-Soluble Pd–Imidate Complexes: Broadly Applicable Catalysts for the Synthesis of Chemically Modified Nucleosides via Pd-Catalyzed Cross-Coupling. J Org Chem 2016; 81:2713-29. [DOI: 10.1021/acs.joc.5b02475] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Vijay Gayakhe
- Institute of Chemical Technology, Mumbai Nathalal Road, Matunga, Mumbai 400019, India
| | - Ajaykumar Ardhapure
- Institute of Chemical Technology, Mumbai Nathalal Road, Matunga, Mumbai 400019, India
| | - Anant R. Kapdi
- Institute of Chemical Technology, Mumbai Nathalal Road, Matunga, Mumbai 400019, India
| | - Yogesh S. Sanghvi
- Rasayan, Inc. 2802 Crystal Ridge Road, Encinitas, California 92024-6615, United States
| | - Jose Luis Serrano
- Departamento
de Ingeniería
Minera, Geológica y Cartográfica, Universidad Politécnica
de Cartagena, Área de Química Inorgánica, Regional
Campus of International Excellence “Campus Mare Nostrum”, Universidad Politécnica de Cartagena, 30203 Cartagena, Spain
| | - Luis García
- Departamento
de Ingeniería
Minera, Geológica y Cartográfica, Universidad Politécnica
de Cartagena, Área de Química Inorgánica, Regional
Campus of International Excellence “Campus Mare Nostrum”, Universidad Politécnica de Cartagena, 30203 Cartagena, Spain
| | - Jose Pérez
- Departamento
de Ingeniería
Minera, Geológica y Cartográfica, Universidad Politécnica
de Cartagena, Área de Química Inorgánica, Regional
Campus of International Excellence “Campus Mare Nostrum”, Universidad Politécnica de Cartagena, 30203 Cartagena, Spain
| | - Joaquím García
- Departamento de Química
Inorgánica, Regional Campus of International Excellence “Campus
Mare Nostrum”, Universidad de Murcia, 30071 Murcia, Spain
| | - Gregorio Sánchez
- Departamento de Química
Inorgánica, Regional Campus of International Excellence “Campus
Mare Nostrum”, Universidad de Murcia, 30071 Murcia, Spain
| | - Christian Fischer
- Ernst-Moritz-Arndt-Universität
Greifswald, Institut für Biochemie, Felix-Hausdorff-Strasse 4, 17489 Greifswald, Germany
| | - Carola Schulzke
- Ernst-Moritz-Arndt-Universität
Greifswald, Institut für Biochemie, Felix-Hausdorff-Strasse 4, 17489 Greifswald, Germany
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19
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Loxq P, Manoury E, Poli R, Deydier E, Labande A. Synthesis of axially chiral biaryl compounds by asymmetric catalytic reactions with transition metals. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.07.006] [Citation(s) in RCA: 189] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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20
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Matoušová E, Gyepes R, Císařová I, Kotora M. [2+2+2]‐Cyclotrimerization of 1‐Cyclopropyl‐1,6‐diynes with Alkynes: Formation of Cyclopropylarenes. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500851] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Eliška Matoušová
- Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Praha 2, Czech Republic, Fax: +420 221 951 326; Phone: +420 221 95 1334
| | - Robert Gyepes
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Praha 2, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Praha 2, Czech Republic
| | - Martin Kotora
- Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43 Praha 2, Czech Republic, Fax: +420 221 951 326; Phone: +420 221 95 1334
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21
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Galaverna R, Camilo NS, Godoi MN, Coelho F, Eberlin MN. Charge Tags for Most Comprehensive ESI-MS Monitoring of Morita–Baylis–Hillman (MBH)/aza-MBH Reactions: Solid Mechanistic View and the Dualistic Role of the Charge Tagged Acrylate. J Org Chem 2016; 81:1089-98. [DOI: 10.1021/acs.joc.5b02651] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Renan Galaverna
- ThoMSon
Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas - UNICAMP, P.O.
Box 6154, Zip Code 13083-970, Campinas, SP, Brazil
| | - Nilton S. Camilo
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas - UNICAMP, P.O. Box 6154, Zip Code 13083-970, Campinas, SP, Brazil
| | - Marla N. Godoi
- Health Sciences Federal University of Porto Alegre - UFCSPA, Department of Pharmacoscience Sarmento Leite, Zip Code 90050-170, Porto Alegre, RS, Brazil
| | - Fernando Coelho
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas - UNICAMP, P.O. Box 6154, Zip Code 13083-970, Campinas, SP, Brazil
| | - Marcos N. Eberlin
- ThoMSon
Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas - UNICAMP, P.O.
Box 6154, Zip Code 13083-970, Campinas, SP, Brazil
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22
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Lledó A, Pla-Quintana A, Roglans A. Allenes, versatile unsaturated motifs in transition-metal-catalysed [2+2+2] cycloaddition reactions. Chem Soc Rev 2016; 45:2010-23. [DOI: 10.1039/c5cs00535c] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ThisTutorial Reviewhighlights the versatility of allenes as unsaturated substrates in transition-metal-catalysed [2+2+2] cycloaddition reactions in generating complex architectures.
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Affiliation(s)
- A. Lledó
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química
- Universitat de Girona (UdG)
- Facultat de Ciències
- 17071 Girona
- Spain
| | - A. Pla-Quintana
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química
- Universitat de Girona (UdG)
- Facultat de Ciències
- 17071 Girona
- Spain
| | - A. Roglans
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química
- Universitat de Girona (UdG)
- Facultat de Ciències
- 17071 Girona
- Spain
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23
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Crandell DW, Mazumder S, Evans PA, Baik MH. The origin of the ligand-controlled regioselectivity in Rh-catalyzed [(2 + 2) + 2] carbocyclizations: steric vs. stereoelectronic effects. Chem Sci 2015; 6:6896-6900. [PMID: 28757978 PMCID: PMC5510011 DOI: 10.1039/c5sc02307f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 08/22/2015] [Indexed: 11/21/2022] Open
Abstract
Density functional theory calculations demonstrate that the reversal of regiochemical outcome of the addition for substituted methyl propiolates in the rhodium-catalyzed [(2 + 2) + 2] carbocyclization with PPh3 and (S)-xyl-binap as ligands is both electronically and sterically controlled.
Density functional theory calculations demonstrate that the reversal of regiochemical outcome of the addition for substituted methyl propiolates in the rhodium-catalyzed [(2 + 2) + 2] carbocyclization with PPh3 and (S)-xyl-binap as ligands is both electronically and sterically controlled. For example, the ester functionality polarizes the alkyne π* orbital to favor overlap of the methyl-substituted terminus of the alkyne with the pπ-orbital of the alkenyl fragment of the rhodacycle during alkyne insertion with PPh3 as the ligand. In contrast, the sterically demanding xyl-binap ligand cannot accommodate the analogous alkyne orientation, thereby forcing insertion to occur at the sterically preferred ester terminus, overriding the electronically preferred orientation for alkyne insertion.
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Affiliation(s)
- Douglas W Crandell
- Department of Chemistry , Indiana University , 800 E. Kirkwood Ave. , Bloomington , IN 47405 , USA .
| | - Shivnath Mazumder
- Department of Chemistry , Indiana University , 800 E. Kirkwood Ave. , Bloomington , IN 47405 , USA .
| | - P Andrew Evans
- Department of Chemistry , Queen's University , 90 Bader Lane , Kingston , ON K7L 3N6 , Canada .
| | - Mu-Hyun Baik
- Department of Chemistry , Indiana University , 800 E. Kirkwood Ave. , Bloomington , IN 47405 , USA . .,Department of Chemistry , Korea Advanced Institute of Science & Technology (KAIST) , Daejeon , 305-701 , South Korea.,Center for Catalytic Hydrocarbon Functionalizations , Institute for Basic Science (IBS) , Daejeon , 305-701 , South Korea
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24
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Diversity-oriented approach to novel spirocycles via 1,2,4,5-tetrakis(bromomethyl)benzene under operationally simple reaction conditions. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.07.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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25
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Vikse KL, Ahmadi Z, Scott McIndoe J. The application of electrospray ionization mass spectrometry to homogeneous catalysis. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.06.012] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Torres Ò, Roglans A, Pla-Quintana A, Luis JM, Solà M. Computational insight into Wilkinson's complex catalyzed [2 + 2 + 2] cycloaddition mechanism leading to pyridine formation. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.06.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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27
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Nasrallah DJ, Croatt MP. Rhodium(I)-Catalyzed [2+2+2+2] Cycloaddition of Diynes To Form Cyclooctatetraenes. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402109] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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28
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Orian L, Swart M, Bickelhaupt FM. Indenyl effect due to metal slippage? Computational exploration of rhodium-catalyzed acetylene [2+2+2] cyclotrimerization. Chemphyschem 2014; 15:219-28. [PMID: 24273097 DOI: 10.1002/cphc.201300934] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Indexed: 11/07/2022]
Abstract
The mechanism of CpRh (Cp=cyclopentadienyl) and IndRh (Ind=indenyl)-catalyzed acetylene [2+2+2] cyclotrimerization has been revisited aiming at finding an explanation for the better performance of the latter catalyst found experimentally. The hypothesis that an ancillary ligand of the precatalyst remains bonded to the metal center throughout the whole catalytic cycle, based on the experimental evidence that the nature of this ligand can exert some control in cocyclotrimerization of different alkynes, is considered. Strong hapticity variations occur in both the CpRh- and IndRh-catalyzed processes. As the Ind ligand undergoes a more facile slippage than Cp, the energy profile is far smoother in the IndRh-catalyzed cyclotrimerization. This difference in the energetics of the process translates into an enhanced activity of the IndRh catalyst, in nice agreement with experiment.
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Affiliation(s)
- Laura Orian
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35129 Padova (Italy).
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29
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Yunker LPE, Stoddard RL, McIndoe JS. Practical approaches to the ESI-MS analysis of catalytic reactions. JOURNAL OF MASS SPECTROMETRY : JMS 2014; 49:1-8. [PMID: 24446256 DOI: 10.1002/jms.3303] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Revised: 10/20/2013] [Accepted: 10/24/2013] [Indexed: 06/03/2023]
Abstract
Electrospray ionization mass spectrometry (ESI-MS) is a soft ionization technique commonly coupled with liquid or gas chromatography for the identification of compounds in a one-time view of a mixture (for example, the resulting mixture generated by a synthesis). Over the past decade, Scott McIndoe and his research group at the University of Victoria have developed various methodologies to enhance the ability of ESI-MS to continuously monitor catalytic reactions as they proceed. The power, sensitivity and large dynamic range of ESI-MS have allowed for the refinement of several homogenous catalytic mechanisms and could potentially be applied to a wide range of reactions (catalytic or otherwise) for the determination of their mechanistic pathways. In this special feature article, some of the key challenges encountered and the adaptations employed to counter them are briefly reviewed.
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Affiliation(s)
- Lars P E Yunker
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, BC, V8W3V6, Canada
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30
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An Unexpected Pathway for Ligand Substitution in an Aryl Halide Complex of Palladium. Chempluschem 2013; 78:632-635. [DOI: 10.1002/cplu.201300131] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2013] [Indexed: 11/07/2022]
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31
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Mitsudo K, Harada J, Tanaka Y, Mandai H, Nishioka C, Tanaka H, Wakamiya A, Murata Y, Suga S. Synthesis of hexa(furan-2-yl)benzenes and their π-extended derivatives. J Org Chem 2013; 78:2763-8. [PMID: 23438033 DOI: 10.1021/jo302652r] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first synthesis of hexa(furan-2-yl)benzene derivatives is described. The RhCl3/i-Pr2NEt-catalyzed cyclotrimerization of di(furan-2-yl)acetylenes was an effective method for constructing hexa(furan-2-yl)benzene derivatives in good yields. Their π-extended derivatives were also synthesized by Suzuki-Miyaura coupling between hexakis(5-Bpinfuran-2-yl)benzene (Bpin = (pinacolato)boryl) and several aryl iodides.
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Affiliation(s)
- Koichi Mitsudo
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
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