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Geer AM, Navarro J, Alamán-Valtierra P, Coles NT, Kays DL, Tejel C. Homotropic Cooperativity in Iron-Catalyzed Alkyne Cyclotrimerizations. ACS Catal 2023; 13:6610-6618. [PMID: 37229435 PMCID: PMC10204060 DOI: 10.1021/acscatal.3c00764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/18/2023] [Indexed: 05/27/2023]
Abstract
Enhancing catalytic activity through synergic effects is a current challenge in homogeneous catalysis. In addition to the well-established metal-metal and metal-ligand cooperation, we showcase here an example of self-activation by the substrate in controlling the catalytic activity of the two-coordinate iron complex [Fe(2,6-Xyl2C6H3)2] (1, Xyl = 2,6-Me2C6H3). This behavior was observed for aryl acetylenes in their regioselective cyclotrimerization to 1,2,4-(aryl)-benzenes. Two kinetically distinct regimes are observed dependent upon the substrate-to-catalyst ratio ([RC≡CH]0/[1]0), referred to as the low ([RC≡CH]0/[1]0 < 40) and high ([RC≡CH]0/[1]0 > 40) regimes. Both showed sigmoidal kinetic response, with positive Hill indices of 1.85 and 3.62, respectively, and nonlinear Lineweaver-Burk replots with an upward curvature, which supports positive substrate cooperativity. Moreover, two alkyne molecules participate in the low regime, whereas up to four are involved in the high regime. The second-order rate dependence on 1 indicates that binuclear complexes are the catalytically competent species in both regimes, with that in the high one being 6 times faster than that involved in the low one. Moreover, Eyring plot analyses revealed two different catalytic cycles, with a rate-determining step more endergonic in the low regime than in the high one, but with a more ordered transition state in the high regime than in the low one.
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Affiliation(s)
- Ana M. Geer
- Instituto
de Síntesis Química y Catálisis Homogénea
(ISQCH), Departamento de Química Inorgánica, Facultad
de Ciencias, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Janeth Navarro
- Instituto
de Síntesis Química y Catálisis Homogénea
(ISQCH), Departamento de Química Inorgánica, Facultad
de Ciencias, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Pablo Alamán-Valtierra
- Instituto
de Síntesis Química y Catálisis Homogénea
(ISQCH), Departamento de Química Inorgánica, Facultad
de Ciencias, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Nathan T. Coles
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Deborah L. Kays
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Cristina Tejel
- Instituto
de Síntesis Química y Catálisis Homogénea
(ISQCH), Departamento de Química Inorgánica, Facultad
de Ciencias, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
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2
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Fan JT, Fan XH, Gao CY, Wei J, Yang LM. Regioselectively switchable alkyne cyclotrimerization catalyzed by the system of Ni(II)/bidentate P-ligand/Zn with ZnI 2 as additive. Org Chem Front 2022. [DOI: 10.1039/d1qo01913a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple catalyst system of Ni(PPh3)2Cl2/dppb or dppm/Zn can effect an efficient and regioselectively controlled alkyne cyclotrimerization to form 1,2,4- (with no additive) or 1,3,5-regioisomers (with the use of ZnI2...
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3
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Doll JS, Eichelmann R, Hertwig LE, Bender T, Kohler VJ, Bill E, Wadepohl H, Roşca DA. Iron-Catalyzed Trimerization of Terminal Alkynes Enabled by Pyrimidinediimine Ligands: A Regioselective Method for the Synthesis of 1,3,5-Substituted Arenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00978] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Julianna S. Doll
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Robert Eichelmann
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Leif E. Hertwig
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Thilo Bender
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Vincenz J. Kohler
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Eckhard Bill
- Max-Planck-Institut für Chemische Energiekonversion, Stiftstraße 24-36, Mülheim/Ruhr 45470, Germany
| | - Hubert Wadepohl
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
| | - Dragoş-Adrian Roşca
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, Heidelberg 69120, Germany
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4
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Orsino A, Gutiérrez del Campo M, Lutz M, Moret ME. Enhanced Catalytic Activity of Nickel Complexes of an Adaptive Diphosphine-Benzophenone Ligand in Alkyne Cyclotrimerization. ACS Catal 2019; 9:2458-2481. [PMID: 30854242 PMCID: PMC6400243 DOI: 10.1021/acscatal.8b05025] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/29/2019] [Indexed: 12/15/2022]
Abstract
Adaptive ligands, which can adapt their coordination mode to the electronic structure of various catalytic intermediates, offer the potential to develop improved homogeneous catalysts in terms of activity and selectivity. 2,2'-Diphosphinobenzophenones have previously been shown to act as adaptive ligands, the central ketone moiety preferentially coordinating reduced metal centers. Herein, the utility of this scaffold in nickel-catalyzed alkyne cyclotrimerization is investigated. The complex [( p-tolL1)Ni(BPI)] ( p-tolL1 = 2,2'-bis(di(para-tolyl)phosphino)-benzophenone; BPI = benzophenone imine) is an active catalyst in the [2 + 2 + 2] cyclotrimerization of terminal alkynes, selectively affording 1,2,4-substituted benzenes from terminal alkynes. In particular, this catalyst outperforms closely related bi- and tridentate phosphine-based Ni catalysts. This suggests a reaction pathway involving a hemilabile interaction of the C=O unit with the nickel center. This is further borne out by a comparative study of the observed resting states and DFT calculations.
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Affiliation(s)
- Alessio
F. Orsino
- Utrecht
University, Organic Chemistry
and Catalysis, Debye Institute for Nanomaterials Science, Faculty
of Science, Universiteitsweg
99, 3584 CG Utrecht, The Netherlands
| | - Manuel Gutiérrez del Campo
- Utrecht
University, Organic Chemistry
and Catalysis, Debye Institute for Nanomaterials Science, Faculty
of Science, Universiteitsweg
99, 3584 CG Utrecht, The Netherlands
| | - Martin Lutz
- Utrecht
University, Crystal and Structural
Chemistry, Bijvoet Center for Biomolecular Research, Faculty of Science, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Marc-Etienne Moret
- Utrecht
University, Organic Chemistry
and Catalysis, Debye Institute for Nanomaterials Science, Faculty
of Science, Universiteitsweg
99, 3584 CG Utrecht, The Netherlands
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6
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Low CH, Rosenberg JN, Lopez MA, Agapie T. Oxidative Coupling with Zr(IV) Supported by a Noninnocent Anthracene-Based Ligand: Application to the Catalytic Cotrimerization of Alkynes and Nitriles to Pyrimidines. J Am Chem Soc 2018; 140:11906-11910. [PMID: 30153728 DOI: 10.1021/jacs.8b07418] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We report the synthesis and reactivity of Zr complexes supported by a 9,10-anthracenediyl-linked bisphenoxide ligand, L. ZrIVLBn2 (1) undergoes facile photolytic reduction with concomitant formation of bibenzyl and ZrIVL(THF)3 (2), which displays a two-electron reduced anthracene moiety. Leveraging ligand-stored reducing equivalents, 2 promotes the oxidative coupling of internal and terminal alkynes to isolable zirconacyclopentadiene complexes, demonstrating the reversible utilization of anthracene as a redox reservoir. With diphenylacetylene under CO, cyclopentadienone is formed stoichiometrically. 2 is competent for the catalytic formation of pyrimidines from alkynes and nitriles. Mechanistic studies suggest that selectivity for pyrimidine originates from preferred formation of an azazirconacyclopentadiene intermediate, which reacts preferentially with nitriles over alkynes.
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Affiliation(s)
- Choon Heng Low
- Division of Chemistry and Chemical Engineering , California Institute of Technology , 1200 East California Boulevard MC 127-72 , Pasadena , California 91125 , United States
| | - Jeffrey N Rosenberg
- Division of Chemistry and Chemical Engineering , California Institute of Technology , 1200 East California Boulevard MC 127-72 , Pasadena , California 91125 , United States
| | - Marco A Lopez
- Division of Chemistry and Chemical Engineering , California Institute of Technology , 1200 East California Boulevard MC 127-72 , Pasadena , California 91125 , United States
| | - Theodor Agapie
- Division of Chemistry and Chemical Engineering , California Institute of Technology , 1200 East California Boulevard MC 127-72 , Pasadena , California 91125 , United States
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7
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Affiliation(s)
- Johannes Teske
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55, DE- 70569 Stuttgart Germany
| | - Bernd Plietker
- Institut für Organische Chemie; Universität Stuttgart; Pfaffenwaldring 55, DE- 70569 Stuttgart Germany
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8
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Brenna D, Villa M, Gieshoff TN, Fischer F, Hapke M, Jacobi von Wangelin A. Iron-Catalyzed Cyclotrimerization of Terminal Alkynes by Dual Catalyst Activation in the Absence of Reductants. Angew Chem Int Ed Engl 2017; 56:8451-8454. [DOI: 10.1002/anie.201705087] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Davide Brenna
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Matteo Villa
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Tim N. Gieshoff
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Fabian Fischer
- Johannes Kepler University of Linz; Austria
- Leibniz Institute of Catalysis; Rostock Germany
| | - Marko Hapke
- Johannes Kepler University of Linz; Austria
- Leibniz Institute of Catalysis; Rostock Germany
| | - Axel Jacobi von Wangelin
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
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9
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Brenna D, Villa M, Gieshoff TN, Fischer F, Hapke M, Jacobi von Wangelin A. Iron-Catalyzed Cyclotrimerization of Terminal Alkynes by Dual Catalyst Activation in the Absence of Reductants. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705087] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Davide Brenna
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Matteo Villa
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Tim N. Gieshoff
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
| | - Fabian Fischer
- Johannes Kepler University of Linz; Austria
- Leibniz Institute of Catalysis; Rostock Germany
| | - Marko Hapke
- Johannes Kepler University of Linz; Austria
- Leibniz Institute of Catalysis; Rostock Germany
| | - Axel Jacobi von Wangelin
- Institute of Organic Chemistry; University of Regensburg; Universitaetsstrasse 31 93040 Regensburg Germany
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10
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Wang L, Cheng J, Deng L. A square planar iron(II) biphenyl-2,2′-diyl complex with NHC ligation: Synthesis, characterization, and its reactivity toward unsaturated organic substrates. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.08.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Burcher B, Sanders KJ, Benda L, Pintacuda G, Jeanneau E, Danopoulos AA, Braunstein P, Olivier-Bourbigou H, Breuil PAR. A Straightforward Access to Stable, 16 Valence-electron Phosphine-Stabilized Fe 0 Olefin Complexes and their Reactivity. Organometallics 2017; 36:605-613. [PMID: 31031510 DOI: 10.1021/acs.organomet.6b00803] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The use of the dialkene divinyltetramethyldisiloxane (dvtms) allows easy access to the reactive 16 valence-electron complexes [Fe0(L-L)(dvtms)], (L-L) = dppe (1,2-bis(diphenylphosphino)ethane), (1), dppp (1,2-bis(diisopropylphosphino)propane), (2), pyNMeP(iPr)2 (N-(diisopropylphosphino)-N-methylpyridin-2-amine), (4), dipe (1,2-bis(diisopropylphosphino)ethane), (5), and [Fe0(L)2(dvtms)], L = PMe3, (3), by a mild reductive route using AlEt2(OEt) as reducing agent. In contrast, by the same methodology, the 18 valence-electron complexes [Fe0(L-L)2(ethylene)], (L-L) = dppm (1,2-bis(diphenylphosphino)methane), 6, (L-L) = dppa (1,2-bis(diphenylphosphino)amine) 7 or (L-L)=dppe, 8, were obtained, which do not contain dvtms. In addition, a combined DFT and solid-state paramagnetic NMR methodology is introduced for the structure determination of 5. A comparative study of the reactivity of 1,2,4-6 and 8 with 3-hexyne highlights emerging mechanistic implications for C-C coupling reactions using these complexes as catalysts.
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Affiliation(s)
- Benjamin Burcher
- IFP Energies nouvelles, Rond-point de l'échangeur de Solaize, BP 3, 69360 Solaize, France
| | - Kevin J Sanders
- Institut des Sciences Analytiques, UMR 5280 CNRS, Université de Lyon, École Normale Supérieure de Lyon, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Ladislav Benda
- Institut des Sciences Analytiques, UMR 5280 CNRS, Université de Lyon, École Normale Supérieure de Lyon, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Guido Pintacuda
- Institut des Sciences Analytiques, UMR 5280 CNRS, Université de Lyon, École Normale Supérieure de Lyon, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Erwann Jeanneau
- Centre de Diffractométrie Henri Longchambon, Site CLEA - Bât. ISA, 3ème étage, 5 rue de La Doua, 69100 Villeurbanne, France
| | - Andreas A Danopoulos
- Université de Strasbourg, CNRS, CHIMIE UMR 7177, Laboratoire de Chimie de Coordination, 4 rue Blaise Pascal, CS90032, 67081 Strasbourg, France
| | - Pierre Braunstein
- Université de Strasbourg, CNRS, CHIMIE UMR 7177, Laboratoire de Chimie de Coordination, 4 rue Blaise Pascal, CS90032, 67081 Strasbourg, France
| | | | - Pierre-Alain R Breuil
- IFP Energies nouvelles, Rond-point de l'échangeur de Solaize, BP 3, 69360 Solaize, France
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12
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Spahn NA, Nguyen MH, Renner J, Lane TK, Louie J. Regioselective Iron-Catalyzed [2 + 2 + 2] Cycloaddition Reaction Forming 4,6-Disubstituted 2-Aminopyridines from Terminal Alkynes and Cyanamides. J Org Chem 2016; 82:234-242. [DOI: 10.1021/acs.joc.6b02374] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nathan A. Spahn
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Minh H. Nguyen
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Jonas Renner
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Timothy K. Lane
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Janis Louie
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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13
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Rivada-Wheelaghan O, Chakraborty S, Shimon LJW, Ben-David Y, Milstein D. Z-Selective (Cross-)Dimerization of Terminal Alkynes Catalyzed by an Iron Complex. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601382] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Subrata Chakraborty
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
| | - Linda J. W. Shimon
- Chemical Research Support; Weizmann Institute of Science; 71600 Rehovot Israel
| | - Yehoshoa Ben-David
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
| | - David Milstein
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
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14
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Rivada-Wheelaghan O, Chakraborty S, Shimon LJW, Ben-David Y, Milstein D. Z-Selective (Cross-)Dimerization of Terminal Alkynes Catalyzed by an Iron Complex. Angew Chem Int Ed Engl 2016; 55:6942-5. [DOI: 10.1002/anie.201601382] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Indexed: 11/10/2022]
Affiliation(s)
| | - Subrata Chakraborty
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
| | - Linda J. W. Shimon
- Chemical Research Support; Weizmann Institute of Science; 71600 Rehovot Israel
| | - Yehoshoa Ben-David
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
| | - David Milstein
- Department of Organic Chemistry; Weizmann Institute of Science; 76100 Rehovot Israel
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15
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Chowdhury H, Chatterjee N, Goswami A. An Eco-Friendly Route toN-Arylindoles by Iron-Catalyzed [2+2+2] Cycloaddition of Diynes with (Indol-1-yl)alkynes. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501166] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Nakajima K, Takata S, Sakata K, Nishibayashi Y. Synthesis of Phosphabenzenes by an Iron-Catalyzed [2+2+2] Cycloaddition Reaction of Diynes with Phosphaalkynes. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502531] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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17
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Nakajima K, Takata S, Sakata K, Nishibayashi Y. Synthesis of Phosphabenzenes by an Iron-Catalyzed [2+2+2] Cycloaddition Reaction of Diynes with Phosphaalkynes. Angew Chem Int Ed Engl 2015; 54:7597-601. [DOI: 10.1002/anie.201502531] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Indexed: 11/08/2022]
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18
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Affiliation(s)
- Ingmar Bauer
- Department Chemie, Technische Universität Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Hans-Joachim Knölker
- Department Chemie, Technische Universität Dresden, Bergstraße 66, 01069 Dresden, Germany
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19
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Lane TK, Nguyen MH, D'Souza BR, Spahn NA, Louie J. The iron-catalyzed construction of 2-aminopyrimidines from alkynenitriles and cyanamides. Chem Commun (Camb) 2014; 49:7735-7. [PMID: 23877441 DOI: 10.1039/c3cc44422h] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Several cycloaddition catalysts and reagents were surveyed for their effectiveness toward cyclizing alkynenitriles with cyanamides. Catalytic amounts of FeI2, (iPr)PDAI and Zn were found to effectively catalyze the [2+2+2] cycloaddition of a variety of cyanamides and alkynenitriles to afford bicyclic 2-aminopyrimidines.
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Affiliation(s)
- Timothy K Lane
- The University of Utah, 315 S. 1400 E. RM. 2020, Salt Lake City, UT 84102, USA
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20
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Minakawa M, Ishikawa T, Namioka J, Hirooka S, Zhou B, Kawatsura M. Iron-catalyzed [2 + 2 + 2] cycloaddition of trifluoromethyl group substituted unsymmetrical internal alkynes. RSC Adv 2014. [DOI: 10.1039/c4ra06973k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Iron-catalyzed [2 + 2 + 2] intermolecular cycloaddition of trifluoromethyl group substituted unsymmetrical internal alkynes afforded the corresponding trifluoromethyl group substituted benzene derivatives in high yield with excellent selectivity.
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Affiliation(s)
- Maki Minakawa
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
| | - Tomoki Ishikawa
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
| | - Junya Namioka
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
| | - Souichirou Hirooka
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
| | - Biao Zhou
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
| | - Motoi Kawatsura
- Department of Chemistry
- College of Humanities & Science
- Nihon University
- Tokyo 156-8550, Japan
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21
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Rassadin VA, Nicolas E, Six Y. Ti(OiPr)4/nBuLi: an attractive reagent system for [2+2+2] cyclotrimerisation reactions. Chem Commun (Camb) 2014; 50:7666-9. [DOI: 10.1039/c4cc02698e] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Silica nanoparticles immobilized benzoylthiourea ferrous complex as an efficient and reusable catalyst for one-pot synthesis of benzopyranopyrimidines. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcata.2013.05.023] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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24
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Chang MY, Chan CK, Lin SY, Wu MH. One-pot synthesis of multisubstituted quaterphenyls and cyclopropanes. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.09.060] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Wang C, Wang D, Xu F, Pan B, Wan B. Iron-Catalyzed Cycloaddition Reaction of Diynes and Cyanamides at Room Temperature. J Org Chem 2013; 78:3065-72. [DOI: 10.1021/jo400057t] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Chunxiang Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023,
China
| | - Dongping Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023,
China
| | - Fen Xu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023,
China
| | - Bin Pan
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023,
China
| | - Boshun Wan
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023,
China
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Xi C, Sun Z, Liu Y. Cyclotrimerization of terminal alkynes catalyzed by the system of NiCl2/Zn and (benzimidazolyl)-6-(1-(arylimino)ethyl)pyridines. Dalton Trans 2013; 42:13327-30. [DOI: 10.1039/c3dt51674a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Rodrigo SK, Powell IV, Coleman MG, Krause JA, Guan H. Efficient and regioselective nickel-catalyzed [2 + 2 + 2] cyclotrimerization of ynoates and related alkynes. Org Biomol Chem 2013; 11:7653-7. [DOI: 10.1039/c3ob41872c] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lane TK, D'Souza BR, Louie J. Iron-catalyzed formation of 2-aminopyridines from diynes and cyanamides. J Org Chem 2012; 77:7555-63. [PMID: 22845666 DOI: 10.1021/jo3012418] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Diynes and cyanamides undergo an iron-catalyzed [2 + 2 + 2] cycloaddition to form highly substituted 2-aminopyridines in an atom-efficient manner that is both high yielding and regioselective. This system was also used to cyclize two terminal alkynes and a cyanamide to afford a 2,4,6-trisubstituted pyridine product regioselectively.
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Affiliation(s)
- Timothy K Lane
- Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112-0850, USA
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Wang C, Li X, Wu F, Wan B. A Simple and Highly Efficient Iron Catalyst for a [2+2+2] Cycloaddition to Form Pyridines. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201102001] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Wang C, Li X, Wu F, Wan B. A Simple and Highly Efficient Iron Catalyst for a [2+2+2] Cycloaddition to Form Pyridines. Angew Chem Int Ed Engl 2011; 50:7162-6. [DOI: 10.1002/anie.201102001] [Citation(s) in RCA: 174] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2011] [Indexed: 11/06/2022]
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