1
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Trammel GL, Kuniyil R, Crook PF, Liu P, Brown MK. Nickel-Catalyzed Dearomative Arylboration of Indoles: Regioselective Synthesis of C2- and C3-Borylated Indolines. J Am Chem Soc 2021; 143:16502-16511. [PMID: 34582691 PMCID: PMC8781163 DOI: 10.1021/jacs.1c05902] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Indole dearomatization is an important strategy to access indolines: a motif present in a variety of natural products and biologically active molecules. Herein, a method for transition-metal catalyzed regioselective dearomative arylboration of indoles to generate diverse indolines is presented. The method accomplishes intermolecular dearomatization of simple indoles through a migratory insertion pathway on substrates that lack activating or directing groups on the C2- or C3-positions. Synthetically useful C2- and C3-borylated indolines can be accessed through a simple change in N-protecting group in high regio- and diastereoselectivities (up to >40:1 rr and >40:1 dr) from readily available starting materials. Additionally, the origin of regioselectivity was explored experimentally and computationally to uncover the remarkable interplay between carbonyl orientation of the N-protecting group on indole, electronics of the C2-C3 π-bond, and sterics. The method enabled the first enantioselective synthesis of (-)-azamedicarpin.
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Affiliation(s)
- Grace L Trammel
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave, Bloomington, Indiana 47405, United States
| | - Rositha Kuniyil
- Department of Chemistry, University of Pittsburgh, 219 Parkman Ave, Pittsburgh, Pennsylvania 15260, United States
| | - Phillip F Crook
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave, Bloomington, Indiana 47405, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Ave, Pittsburgh, Pennsylvania 15260, United States
| | - M Kevin Brown
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave, Bloomington, Indiana 47405, United States
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2
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Martín I, Aragoncillo C, Almendros P. Palladium‐Catalyzed Hydroarylation of Homopropargyl Iodoindoles with Concurrent Alkyl and Iodonium Migrations. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Irene Martín
- Instituto de Química Orgánica General, IQOG, CSIC Juan de la Cierva 3 28006 Madrid Spain
| | - Cristina Aragoncillo
- Grupo de Lactamas y Heterociclos Bioactivos Departamento de Química Orgánica Unidad Asociada al CSIC Facultad de Química Universidad Complutense de Madrid 28040 Madrid Spain
| | - Pedro Almendros
- Instituto de Química Orgánica General, IQOG, CSIC Juan de la Cierva 3 28006 Madrid Spain
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3
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González J, Allegue D, Fernández S, Rodríguez MA, Santamaría J, Ballesteros A. Divergent Gold‐Catalyzed Rearrangement of 1‐Alkenyl‐2‐alkynylcyclopropanes: Enyne Transformation Controlled by a Silicon Moiety. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jairo González
- Instituto de Química Organometálica “Enrique Moles” and Departamento de Química Orgánica e Inorgánica Universidad de Oviedo c/Julián Clavería 8 33007 Oviedo Spain
| | - Darío Allegue
- Instituto de Química Organometálica “Enrique Moles” and Departamento de Química Orgánica e Inorgánica Universidad de Oviedo c/Julián Clavería 8 33007 Oviedo Spain
| | - Sergio Fernández
- Instituto de Química Organometálica “Enrique Moles” and Departamento de Química Orgánica e Inorgánica Universidad de Oviedo c/Julián Clavería 8 33007 Oviedo Spain
| | - Miguel A. Rodríguez
- Departamento de Química Centro de Investigación en Síntesis Química Universidad de la Rioja 26006 Logroño Spain
| | - Javier Santamaría
- Instituto de Química Organometálica “Enrique Moles” and Departamento de Química Orgánica e Inorgánica Universidad de Oviedo c/Julián Clavería 8 33007 Oviedo Spain
| | - Alfredo Ballesteros
- Instituto de Química Organometálica “Enrique Moles” and Departamento de Química Orgánica e Inorgánica Universidad de Oviedo c/Julián Clavería 8 33007 Oviedo Spain
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4
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Zhou L, Yang L, Zhang Y, Kirillov AM, Fang R, Han B. Theoretical study on the mechanism and chemoselectivity in gold(i)-catalyzed cycloisomerization of β,β-disubstituted ortho-(alkynyl)styrenes. Org Chem Front 2019. [DOI: 10.1039/c9qo00534j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The mechanism and chemoselectivity of gold(i)-catalyzed cycloadditions of β,β-disubstituted ortho-(alkynyl)styrenes were explored by DFT calculations.
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Affiliation(s)
- Lin Zhou
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Li Yang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yanwen Zhang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Alexander M. Kirillov
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- Lisbon
- Portugal
| | - Ran Fang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Bing Han
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
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5
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Kuang J, Zhou T, You T, Chen J, Su C, Xia Y. Facile access to 1,3-diketones by gold(i)-catalyzed regioselective hydration of ynones. Org Biomol Chem 2019; 17:3940-3944. [DOI: 10.1039/c9ob00494g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A regioselective hydration of ynones was developed via gold catalysis, providing a simple, mild, and efficient method for the synthesis of a variety of 1,3-diketone derivatives.
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Affiliation(s)
- Jinqiang Kuang
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
- SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology
| | - Tao Zhou
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Tingjie You
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Jianhui Chen
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Chenliang Su
- SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education
- College of Optoelectronic Engineering
- Shenzhen University
- Shenzhen 518060
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
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6
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Lin Y, Zhou T, Guo W, Teng Z, Xia Y. The mechanism of the gold-catalyzed intramolecular [3 + 2]-cycloaddition of 1,6-diynes: a DFT study. Dalton Trans 2019; 48:5698-5704. [DOI: 10.1039/c9dt00553f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The mechanism and selectivity of the gold-catalyzed intramolecular cycloaddition of 1,6-diynes were unveiled by DFT calculations.
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Affiliation(s)
- Yongjia Lin
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Tao Zhou
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Wei Guo
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Zhenfang Teng
- Center for Modern Education Technology
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
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7
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Li Y, Tu PC, Zhou L, Kirillov AM, Fang R, Yang L. How Does the Catalyst Affect the Reaction Pathway? DFT Analysis of the Mechanism and Selectivity in the 1,6-Diyne Ester Cycloisomerization. Organometallics 2018. [DOI: 10.1021/acs.organomet.7b00813] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yunhe Li
- State
Key Laboratory of Applied Organic Chemistry and Key Laboratory of
Nonferrous Metals Chemistry and Resources Utilization of Gansu Province,
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Peng-Cheng Tu
- State
Key Laboratory of Applied Organic Chemistry and Key Laboratory of
Nonferrous Metals Chemistry and Resources Utilization of Gansu Province,
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Lin Zhou
- State
Key Laboratory of Applied Organic Chemistry and Key Laboratory of
Nonferrous Metals Chemistry and Resources Utilization of Gansu Province,
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Alexander M. Kirillov
- Centro
de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
| | - Ran Fang
- State
Key Laboratory of Applied Organic Chemistry and Key Laboratory of
Nonferrous Metals Chemistry and Resources Utilization of Gansu Province,
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Lizi Yang
- State
Key Laboratory of Applied Organic Chemistry and Key Laboratory of
Nonferrous Metals Chemistry and Resources Utilization of Gansu Province,
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
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8
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Fang R, Zhou L, Tu PC, Yang L. Gold(i)-catalyzed cycloisomerization of ortho-(alkynyl) styrenes: DFT analysis of the crucial role of SbF6− in the elimination of protons. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00367j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The mechanism, regioselectivity and role of SbF6− in the gold(i)-catalyzed reaction of o-(alkynyl) styrene are clarified through our DFT calculations.
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Affiliation(s)
- Ran Fang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Lin Zhou
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Peng-Cheng Tu
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Lizi Yang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
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9
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Qiao Y, Yang W, Wei D, Chang J. Theoretical investigations toward TMEDA-catalyzed [2 + 4] annulation of allenoate with 1-aza-1,3-diene: mechanism, regioselectivity, and role of the catalyst. RSC Adv 2016. [DOI: 10.1039/c6ra09507k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A computational study on the reaction between allenoate and 1-aza-1,3-diene catalyzed by TMEDA has been performed using the DFT method.
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Affiliation(s)
- Yan Qiao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Wanjing Yang
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Junbiao Chang
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
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10
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Dorel R, Echavarren AM. Gold(I)-Catalyzed Activation of Alkynes for the Construction of Molecular Complexity. Chem Rev 2015; 115:9028-72. [PMID: 25844920 PMCID: PMC4580024 DOI: 10.1021/cr500691k] [Citation(s) in RCA: 1311] [Impact Index Per Article: 145.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Indexed: 12/17/2022]
Affiliation(s)
- Ruth Dorel
- 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·lí Domingo s/n, 43007 Tarragona, Spain
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11
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Qiao Y, Wei D, Chang J. Insights into the Unexpected Chemoselectivity for the N-Heterocyclic Carbene-Catalyzed Annulation Reaction of Allenals with Chalcones. J Org Chem 2015; 80:8619-30. [PMID: 26270106 DOI: 10.1021/acs.joc.5b01222] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Lewis base N-heterocyclic carbene (NHC)-catalyzed annulation is the subject of extensive interest in synthetic chemistry, but the reaction mechanisms, especially the unexpected chemoselectivity of some of these reactions, are poorly understood. In this work, a systematic theoretical calculation has been performed on NHC-catalyzed annulation between allenals and chalcone. Multiple possible reaction pathways (A-E) leading to three different products have been characterized. The calculated results reveal that NHC is more likely to initiate the reaction by nucleophilic attack on the center carbon atom of the allene group but not the carbonyl carbon atom in allenals leading to the Breslow intermediate, which is remarkably different from the other NHC-catalyzed annulations of unsaturated aldehydes with chalcones. The computed energy profiles demonstrate that the most energetically favorable pathway (A) results in polysubstituted pyranyl aldehydes, which reasonably explains the observed chemoselectivity in the experiment. The observed chemoselectivity is demonstrated to be thermodynamically but not kinetically controlled, and the stability of the Breslow intermediate is the key for the possibility of homoenolate pathway D and enolate pathway E. This work can improve our understanding of the multiple competing pathways for NHC-catalyzed annulation reactions of unsaturated aldehydes with chalcones and provide valuable insights for predicting the chemoselectivity for this kind of reaction.
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Affiliation(s)
- Yan Qiao
- The College of Chemistry and Molecular Engineering and ‡Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University , Zhengzhou, Henan 450001, China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering and ‡Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University , Zhengzhou, Henan 450001, China
| | - Junbiao Chang
- The College of Chemistry and Molecular Engineering and ‡Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University , Zhengzhou, Henan 450001, China
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12
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Zheng L, Qiao Y, Lu M, Chang J. Theoretical investigations of the reaction between 1,4-dithiane-2,5-diol and azomethine imines: mechanisms and diastereoselectivity. Org Biomol Chem 2015; 13:7558-69. [DOI: 10.1039/c5ob00807g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The detailed mechanism of the DABCO-catalyzed reaction between 1,4-dithiane-2,5-diol and azomethine imines.
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Affiliation(s)
- Linjie Zheng
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Yan Qiao
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
| | - Mengxue Lu
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Junbiao Chang
- Department of Pathophysiology
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- China
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13
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Zhou T, Xia Y. Substrate-Dependent Mechanisms for the Gold(I)-Catalyzed Cycloisomerization of Silyl-Tethered Enynes: A Computational Study. Organometallics 2014. [DOI: 10.1021/om500499s] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Tao Zhou
- College
of Chemistry and
Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Yuanzhi Xia
- College
of Chemistry and
Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
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14
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Barbour PM, Marholz LJ, Chang L, Xu W, Wang X. Gold Approaches to Polycyclic Indole Alkaloids. CHEM LETT 2014. [DOI: 10.1246/cl.131230] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- P. Michael Barbour
- Department of Chemistry and Biochemistry, University of Colorado Boulder
| | - Laura J. Marholz
- Department of Chemistry and Biochemistry, University of Colorado Boulder
| | - Le Chang
- Department of Chemistry and Biochemistry, University of Colorado Boulder
| | - Wenqing Xu
- Department of Chemistry and Biochemistry, University of Colorado Boulder
| | - Xiang Wang
- Department of Chemistry and Biochemistry, University of Colorado Boulder
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15
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Fang R, Wei X, Yang L. The mechanism and regioselectivity of gold(i) or platinum(ii) catalyzed intramolecular hydroarylation to pyrrolopyridinones and pyrroloazepinones. Org Biomol Chem 2014; 12:8433-41. [DOI: 10.1039/c4ob00894d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Pyrrolopyridinones and pyrroloazepinones can be prepared through gold(i) or platinum(ii) catalysis. These interesting gold(i) or platinum(ii) catalyses are fully supported by a computational study justifying the formation of each intermediate.
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Affiliation(s)
- Ran Fang
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000, P. R. China
| | - Xiaoxiao Wei
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000, P. R. China
| | - Lizi Yang
- Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province and College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000, P. R. China
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16
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Yang L, Fang R. Mechanism of gold (I)-catalyzed double migration-benzannulation cascade toward naphthalenes: Deprotonation/protonation mediated by water. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcata.2013.08.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Alcaide B, Almendros P, Alonso JM, Cembellín S, Fernández I, del Campo TM, Torres MR. Iodine recycling via 1,3-migration in iodoindoles under metal catalysis. Chem Commun (Camb) 2013; 49:7779-81. [DOI: 10.1039/c3cc44073g] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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