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de Carvalho RL, Wood JM, Almeida RG, Berry NG, da Silva Júnior EN, Bower JF. The Synthesis and Reactivity of Naphthoquinonynes. Angew Chem Int Ed Engl 2024; 63:e202400188. [PMID: 38445547 DOI: 10.1002/anie.202400188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/07/2024]
Abstract
The first systematic exploration of the synthesis and reactivity of naphthoquinonynes is described. Routes to two regioisomeric Kobayashi-type naphthoquinonyne precursors have been developed, and the reactivity of the ensuing 6,7- and 5,6-aryne intermediates has been investigated. Remarkably, these studies have revealed that a broad range of cycloadditions, nucleophile additions and difunctionalizations can be achieved while maintaining the integrity of the highly sensitive quinone unit. The methodologies offer a powerful diversity oriented approach to C6 and C7 functionalized naphthoquinones, which are typically challenging to access. From a reactivity viewpoint, the study is significant because it demonstrates that aryne-based functionalizations can be utilized strategically in the presence of highly reactive and directly competing functionality.
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Affiliation(s)
- Renato L de Carvalho
- Instituto de Ciências Exatas, Departamento de Química, Universidade Federal de Minas Gerais - UFMG, 31270-901, Belo, Horizonte - MG, Brazil
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, United Kingdom
| | - James M Wood
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, United Kingdom
- The Ferrier Research Institute, Victoria University of Wellington, Wellington, 6012, New Zealand
| | - Renata G Almeida
- Instituto de Ciências Exatas, Departamento de Química, Universidade Federal de Minas Gerais - UFMG, 31270-901, Belo, Horizonte - MG, Brazil
| | - Neil G Berry
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, United Kingdom
| | - Eufrânio N da Silva Júnior
- Instituto de Ciências Exatas, Departamento de Química, Universidade Federal de Minas Gerais - UFMG, 31270-901, Belo, Horizonte - MG, Brazil
| | - John F Bower
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, United Kingdom
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, United Kingdom
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2
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Hatch CE, Chain WJ. Electrochemically Enabled Total Syntheses of Natural Products. ChemElectroChem 2023; 10:e202300140. [PMID: 38106361 PMCID: PMC10723087 DOI: 10.1002/celc.202300140] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Indexed: 12/19/2023]
Abstract
Electrochemical techniques have helped to enable the total synthesis of natural products since the pioneering work of Kolbe in the mid 1800's. The electrochemical toolset grows every day and these new possibilities change the way chemists look at and think about natural products. This review provides a perspective on total syntheses wherein electrochemical techniques enabled the carbon─carbon bond formations in the skeletal assembly of important natural products, discussion of mechanistic details, and representative examples of the bond formations enabled over the last several decades. These bond formations are often distinctly different from those possible with conventional chemistries and allow assemblies complementary to other techniques.
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Affiliation(s)
- Chad E Hatch
- Chemical Biology, Memorial Sloan Kettering Cancer Center, 417 E. 68 St., New York, NY, 10065 (United States)
| | - William J Chain
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, DE, 19716 (United States)
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3
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Zhu XQ, Wang Q, Zhu J. Organocatalytic Enantioselective Diels-Alder Reaction of 2-Trifluoroacetamido-1,3-dienes with α,β-Unsaturated Ketones. Angew Chem Int Ed Engl 2023; 62:e202214925. [PMID: 36347807 DOI: 10.1002/anie.202214925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Indexed: 11/11/2022]
Abstract
We report herein the first examples of chiral phosphoric acid-catalyzed enantioselective Diels-Alder reactions between 2-trifluoroacetamido-1,3-dienes 1 and α,β-unsaturated carbonyl compounds 2. Polysubstituted 1-acetamido cyclohexenes 3 were formed in high yields with excellent diastereo- and enantioselectivities. The reaction proceeds through a stepwise process as shown by deuterium labelling experiments. A catalytic enantioselective three-component reaction of 1, 2 and ortho-hydroxybenzhydryl alcohols 4 was subsequently developed furnishing the densely functionalized hexahydroxanthenes 5 in a highly stereoselective manner. This multicomponent reaction generates four chemical bonds with concurrent creation of five contiguous stereocenters.
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Affiliation(s)
- Xin-Qi Zhu
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products (LSPN), Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
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4
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Naeini AA, Ziegelmeier AA, Chain WJ. Recent Developments with Icetexane Natural Products. Chem Biodivers 2022; 19:e202200793. [PMID: 36215180 PMCID: PMC11067433 DOI: 10.1002/cbdv.202200793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
Icetexane diterpenoids are a diverse family of natural products sourced from several species of terrestrial plants. Icetexanes exhibit a broad array of biological activities and together with their complex 6-7-6 tricyclic scaffolds, they have piqued the interest of synthetic organic chemists, natural products chemists, and biological investigators over the past four decades and were reviewed 13 years ago. This review summarizes icetexane natural products isolated since 2009, provides an overview of new synthetic approaches to the icetexane problem, and proposes an additional classification of icetexanes based on novel structures that are unlike previously isolated materials.
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Affiliation(s)
- Ali Amiri Naeini
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
| | - Alexandre A Ziegelmeier
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
| | - William J Chain
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
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5
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Moeinimehr M, Safaiee M, Zolfigol MA, Taherpour AA. Synthesis and Application of Nano Vanadium‐Oxo Pyridiniumporphyrazinato Sulfonic Acid for Synthesizing Pyrazole and Dihydropyrano
[2,3]
pyrazole Derivatives. ChemistrySelect 2022. [DOI: 10.1002/slct.202200849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mahtab Moeinimehr
- Department of Organic Chemistry Faculty of Chemistry Razi University Kermanshah 67149–67346 Iran
| | - Maliheh Safaiee
- Nahavand Higher Education Complex Bu-Ali Sina University, Hamedan Iran
| | - Mohammad Ali Zolfigol
- Department of Organic Chemistry Faculty of Chemistry Bu-Ali Sina University Hamedan 6517838683 Iran
| | - Avat Arman Taherpour
- Department of Organic Chemistry Faculty of Chemistry Razi University Kermanshah 67149–67346 Iran
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6
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Arora A, Singh K. Click Chemistry Mediated by Photochemical Energy. ChemistrySelect 2022. [DOI: 10.1002/slct.202200541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Amandeep Arora
- Department of Natural and Applied Science University of Dubuque 2000 University Ave. Dubuque, IA 52001 USA
| | - Kamaljeet Singh
- TLC Pharmaceutical Standards 130 Pony Drive, Newmarket ON Canada L3Y 7B6 USA
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7
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He Q, Cao L, Wei Y, Dake GR. Utility of 2‐Diphenylphosphoryloxy‐1,3‐Dienes in Multicomponent Hetero‐Diels–Alder Reactions to Construct Functionalized Six‐Membered Nitrogen Heterocycles. Chemistry 2022; 28:e202201328. [DOI: 10.1002/chem.202201328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Qiuyu He
- Department of Chemistry University of British Columbia, Vancouver 2036 Main Mall Vancouver, B.C. V6T 1Z1 Canada
| | - Lirong Cao
- Department of Chemistry University of British Columbia, Vancouver 2036 Main Mall Vancouver, B.C. V6T 1Z1 Canada
| | - Yiran Wei
- Department of Chemistry University of British Columbia, Vancouver 2036 Main Mall Vancouver, B.C. V6T 1Z1 Canada
| | - Gregory R. Dake
- Department of Chemistry University of British Columbia, Vancouver 2036 Main Mall Vancouver, B.C. V6T 1Z1 Canada
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8
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Seeman JI. The Many Chemists Who Could Have Proposed the Woodward-Hoffmann Rules But Didn't: The Organic Chemists Who Knew of the Smoking Guns. CHEM REC 2022; 22:e202200137. [PMID: 35876713 DOI: 10.1002/tcr.202200137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/28/2022] [Indexed: 11/08/2022]
Abstract
It is a reasonable question to ask, why, as of 1965 when the five Woodward-Hoffmann communications appeared, did no other organic chemist discover the orbital symmetry rules for pericyclic reactions? The previous two papers in this 27-paper series on the history of the Woodward-Hoffmann rules discussed the physical chemists, chemical physicists, and theoretical chemists who could have solved the pericyclic no-mechanism problem; and the organic chemists in whose laboratory many of the key hints to this problem were found but still did not solve the problem. The stories of 16 other chemists who knew of (at least portions of) the pericyclic no-mechanism problem are presented in this paper. Social, political, and scientific explanations are presented as partial rationalizations as to why none of these individuals - except Woodward with Hoffmann - solved the pericyclic no-mechanism problem.
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Affiliation(s)
- Jeffrey I Seeman
- Department of Chemistry, University of Richmond, Richmond, VA 23173, USA
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9
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Umekubo N, Han X, Mori N, Hayashi Y. Diphenylprolinol Silyl Ether Catalyzed Asymmetric Formal Carbo [3+3] Cycloaddition Reaction of Isopropylidenemalononitrile and α,β‐Unsaturated Aldehyde. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nariyoshi Umekubo
- Tohoku Daigaku Daigakuin Rigaku Kenkyuka Rigakubu Department of Chemistry JAPAN
| | - Xiaolei Han
- Tohoku Daigaku Daigakuin Rigaku Kenkyuka Rigakubu Department of Chemistry JAPAN
| | - Naoki Mori
- Tohoku Daigaku Daigakuin Rigaku Kenkyuka Rigakubu Department of Chemistry JAPAN
| | - Yujiro Hayashi
- Tohoku University Graduate School of Science Faculty of Science: Tohoku Daigaku Daigakuin Rigaku Kenkyuka Rigakubu Department of Chemistry 6-3, Aramaki-AzaAobaAobaku 980-8578 Sendai JAPAN
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10
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Synthesis of Substituted Tropones and Advancement for the Construction of Structurally Significant Skeletons. ChemistrySelect 2022. [DOI: 10.1002/slct.202200440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Dai M, Sun Z, Chen L. Palladium‐Catalyzed Regiodivergent Synthesis of 1,3‐Dienyl and Allyl Esters from Propargyl Esters. Angew Chem Int Ed Engl 2022; 61:e202203835. [DOI: 10.1002/anie.202203835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Indexed: 01/03/2023]
Affiliation(s)
- Mengfu Dai
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
| | - Zhimin Sun
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
| | - Liang‐An Chen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
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12
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Zhao H, Caldora HP, Turner O, Douglas JJ, Leonori D. A Desaturative Approach for Aromatic Aldehyde Synthesis via Synergistic Enamine, Photoredox and Cobalt Triple Catalysis. Angew Chem Int Ed Engl 2022; 61:e202201870. [PMID: 35196413 PMCID: PMC9311220 DOI: 10.1002/anie.202201870] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Indexed: 11/05/2022]
Abstract
Aromatic aldehydes are fundamental intermediates that are widely utilised for the synthesis of important materials across the broad spectrum of chemical industries. Accessing highly substituted derivatives can often be difficult as their functionalizations are generally performed via electrophilic aromatic substitution, SEAr. Here we provide an alternative and mechanistically distinct approach whereby aromatic aldehydes are assembled from saturated precursors via a desaturative process. This novel strategy harnesses the high‐fidelity of Diels–Alder cycloadditions to quickly construct multi‐substituted cyclohexenecarbaldehyde cores which undergo desaturation via the synergistic interplay of enamine, photoredox and cobalt triple catalysis.
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Affiliation(s)
- Huaibo Zhao
- Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Henry P Caldora
- Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK
| | - Oliver Turner
- Oncology R&DI Medicinal Chemistry, AstraZeneca, Darwin Building, Unit 310, Cambridge Science Park, Milton Road, Cambridge, CB4 0WG, UK
| | - James J Douglas
- Early Chemical Development, Pharmaceutical Sciences R&D, AstraZeneca, Macclesfield, UK
| | - Daniele Leonori
- Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.,Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
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13
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Karan G, Sahu S, Maji MS. Synthesis of Indolyl‐1,3‐Dienes from β‐Sulphonyl Aldehydes through One‐Pot Sequential Brønsted Acid/ Base Catalysis. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ganesh Karan
- Indian Institute of Technology Kharagpur Chemistry Indian Institute of Technology KharagpurDepartment of Chemistry 721302 Kharagpur INDIA
| | - Samrat Sahu
- Indian Institute of Technology Kharagpur Chemistry Indian Institute of Technology KharagpurDepartment of Chemistry 721302 Kharagpur INDIA
| | - Modhu Sudan Maji
- Indian Institute of Technology Kharagpur Chemistry Paschim Midnapore 721302 Kharagpur INDIA
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14
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Dai M, Sun Z, Chen L. Palladium‐Catalyzed Regiodivergent Synthesis of 1,3‐Dienyl and Allyl Esters from Propargyl Esters. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mengfu Dai
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
| | - Zhimin Sun
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
| | - Liang‐An Chen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Key Laboratory of Biofunctional Materials of Jiangsu Province School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 P. R. China
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15
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Zhao H, Caldora HP, Turner O, Douglas JJ, Leonori D. A Desaturative Approach for Aromatic Aldehyde Synthesis via Synergistic Enamine, Photoredox and Cobalt Triple Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Huaibo Zhao
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Henry P. Caldora
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
| | - Oliver Turner
- Oncology R&DI Medicinal Chemistry, AstraZeneca Darwin Building, Unit 310, Cambridge Science Park, Milton Road Cambridge CB4 0WG UK
| | - James J. Douglas
- Early Chemical Development, Pharmaceutical Sciences R&D AstraZeneca Macclesfield UK
| | - Daniele Leonori
- Department of Chemistry University of Manchester Oxford Road Manchester M13 9PL UK
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52056 Aachen Germany
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16
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Seeman JI. History of the Woodward-Hoffmann Rules. The No-Mechanism Puzzle. CHEM REC 2022; 22:e202100212. [PMID: 35174963 DOI: 10.1002/tcr.202100212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 11/13/2021] [Indexed: 11/11/2022]
Abstract
This is Paper 2 in the 27-paper series on the history of the development of the Woodward-Hoffmann rules. Paper 2 takes the reader back to the 1950s and early 1960s, before the publication of the first Woodward-Hoffmann paper in January 1965. The scope of the pericyclic no-mechanism problem is described along with many of the key "hints" or "clues" to orbital symmetry control that were available in the literature prior to 1965. A chronology of reactions with alternating stereospecificities is provided. A second chronology of alternating theoretical hints is provided, e. g., 4n+2 versus 4n. Another chronology is provided, that of the development of frontier molecular orbital theory, with and without phases and nodes. A tabulation is provided of 36 instances in which the MOs of 1,3-butadiene were reported in the literature. A knowledge of the MOs of 1,3-butadiene, plus a knowledge of some of the alternating stereospecific reactions, could have led many chemists to the solution of the pericyclic no-mechanism problem before Woodward and Hoffmann.
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Affiliation(s)
- Jeffrey I Seeman
- Department of Chemistry, University of Richmond, 23173, Richmond, VA, USA
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17
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Li Z, Jiang Y, Li Y, Zhang H, Li H, Yang S. Advances in Diels-Alder/aromatization of biomass furan derivatives towards renewable aromatic hydrocarbons. Catal Sci Technol 2022. [DOI: 10.1039/d1cy02122b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effective upgrading of renewable resources into high value-added chemicals is of great significance to achieve the sustainable economic development, as well as the implementation of carbon neutral technologies practically....
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18
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Odoh AS, Aidanpää L, Umekubo N, Matoba H, Mori N, Hayashi Y. Asymmetric Synthesis of Pentasubstituted Cyclohexanes through Diphenylprolinol Silyl Ether Mediated Domino Michael/Michael Reaction. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Amaechi Shedrack Odoh
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
| | - Louise Aidanpää
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
| | - Nariyoshi Umekubo
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
| | - Hiroaki Matoba
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
| | - Naoki Mori
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
| | - Yujiro Hayashi
- Department of Chemistry, Graduate School of Science Tohoku University 6-3 Aza-Aoba, Aramaki, Aoba-ku Sendai 980–8578 Japan
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19
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Mohamed Abdelmoniem A, Abdelshafy Abdelhamid I, Butenschön H. Bidirectional Synthesis, Photophysical and Electrochemical Characterization of Polycyclic Quinones Using Benzocyclobutenes and Benzodicyclobutenes as Precursors. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Amr Mohamed Abdelmoniem
- Institut für Organische Chemie Leibniz Universität Hannover Schneiderberg 1B 30167 Hannover Germany
- Department of Chemistry Faculty of Science Cairo University 12613 Giza A. R. Egypt
| | | | - Holger Butenschön
- Institut für Organische Chemie Leibniz Universität Hannover Schneiderberg 1B 30167 Hannover Germany
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20
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Lu Y, Xu M, Zhang Z, Zhang J, Cai Q. Catalytic Asymmetric Inverse‐Electron‐Demand Diels–Alder Reactions of 2‐Pyrones with Indenes: Total Syntheses of Cephanolides A and B. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202112223] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yang Lu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Meng‐Meng Xu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Zhi‐Mao Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Junliang Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Quan Cai
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
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21
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Castro‐Esteban J, Albrecht F, Fatayer S, Pérez D, Gross L, Peña D. An on‐surface Diels–Alder reaction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jesús Castro‐Esteban
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782- Santiago de Compostela Spain
| | | | | | - Dolores Pérez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782- Santiago de Compostela Spain
| | - Leo Gross
- IBM Research—Zurich 8803 Rüschlikon Switzerland
| | - Diego Peña
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782- Santiago de Compostela Spain
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22
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Cho S, McLaren EJ, Wang Q. Three‐Component Difunctionalization of Cyclohexenyl Triflates: Direct Access to Versatile Cyclohexenes via Cyclohexynes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Seoyoung Cho
- Department of Chemistry Duke University Durham NC 27708 USA
| | - E. J. McLaren
- Department of Chemistry Duke University Durham NC 27708 USA
| | - Qiu Wang
- Department of Chemistry Duke University Durham NC 27708 USA
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23
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Castro-Esteban J, Albrecht F, Fatayer S, Pérez D, Gross L, Peña D. An on-surface Diels-Alder reaction. Angew Chem Int Ed Engl 2021; 60:26346-26350. [PMID: 34664770 PMCID: PMC9298865 DOI: 10.1002/anie.202110311] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/10/2021] [Indexed: 11/19/2022]
Abstract
The Diels–Alder reaction is one of the most popular reactions in organic chemistry. However, its use in the field of on‐surface synthesis is hampered by the spatial restrictions of this cycloaddition reaction. Herein we selected a cyclic strained triyne to demonstrate an on‐surface hexadehydro‐Diels–Alder reaction in a single molecule. The reaction was studied in detail by means of atomic force microscopy (AFM) with CO‐functionalized tips. Our results pave the way to use this iconic pericyclic reaction for on‐surface synthesis, introducing the concept of atom economy in the field.
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Affiliation(s)
- Jesús Castro-Esteban
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782-, Santiago de Compostela, Spain
| | | | | | - Dolores Pérez
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782-, Santiago de Compostela, Spain
| | - Leo Gross
- IBM Research-Zurich, 8803, Rüschlikon, Switzerland
| | - Diego Peña
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782-, Santiago de Compostela, Spain
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24
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Cho S, McLaren EJ, Wang Q. Three-Component Difunctionalization of Cyclohexenyl Triflates: Direct Access to Versatile Cyclohexenes via Cyclohexynes. Angew Chem Int Ed Engl 2021; 60:26332-26336. [PMID: 34644004 DOI: 10.1002/anie.202109482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/27/2021] [Indexed: 11/06/2022]
Abstract
Difunctionalization of strained cyclic alkynes presents a powerful strategy to build richly functionalized cyclic alkenes in an expedient fashion. Herein we disclose an efficient and flexible approach to achieve carbohalogenation, dicarbofunctionalization, aminohalogenation and aminocarbonation of readily available cyclohexenyl triflates. We have demonstrated the novel use of zincate base/nucleophile system for effective formation of key cyclohexyne intermediates and selective addition of various carbon and nitrogen nucleophiles. Importantly, leveraging the resulting organozincates enables the incorporation of a broad range of electrophilic partners to deliver structurally diverse cyclohexene motifs. The importance and utility of this method is also exemplified by the modularity of this approach and the ease in which even highly complex polycyclic scaffolds can be accessed in one step.
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Affiliation(s)
- Seoyoung Cho
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - E J McLaren
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Qiu Wang
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
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25
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Beeck S, Ahles S, Wegner HA. Orthogonal Catalysis for an Enantioselective Domino Inverse-Electron Demand Diels-Alder/Substitution Reaction. Chemistry 2021; 28:e202104085. [PMID: 34813113 PMCID: PMC9299787 DOI: 10.1002/chem.202104085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Indexed: 11/13/2022]
Abstract
An enantioselective domino process for the synthesis of substituted 1,2‐dihydronaphthalenes has been developed by the combination of chiral amines and a bidentate Lewis acid in an orthogonal catalysis. This new method is based on an inverse electron‐demand Diels−Alder and a subsequent group exchange reaction. An enamine is generated in situ from an aldehyde and a chiral secondary amine catalyst that reacts with phthalazine, activated by the coordination to a bidentate Lewis acid catalyst. The absolute configuration of the product is controlled by chiral information provided by the amine. The formed ortho‐quinodimethane intermediate is then transformed via a group exchange reaction with thiols. The new method shows a broad scope and tolerates a wide range of functional groups with enantiomeric ratios up to 91 : 9. All‐in‐all, this enantioselective synthesis tool provides an easy access to complex 1,2‐dihydronaphthalenes starting from readily available phthalazine, aldehydes and thiols in a combinatorial way.
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Affiliation(s)
- Sebastian Beeck
- Justus Liebig University Giessen, Institute of Organic Chemistry, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
| | - Sebastian Ahles
- Justus Liebig University Giessen, Institute of Organic Chemistry, Heinrich-Buff-Ring 17, 35392, Giessen, Germany
| | - Hermann A Wegner
- Justus Liebig University Giessen, Institute of Organic Chemistry, Heinrich-Buff-Ring 17, 35392, Giessen, Germany.,Justus Liebig University Giessen, Center for Materials Research (LaMa), Heinrich-Buff-Ring 16, 35392, Giessen, Germany
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26
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Lu Y, Xu MM, Zhang ZM, Zhang J, Cai Q. Catalytic Asymmetric Inverse-Electron-Demand Diels-Alder Reactions of 2-Pyrones with Indenes: Total Syntheses of Cephanolides A and B. Angew Chem Int Ed Engl 2021; 60:26610-26615. [PMID: 34668619 DOI: 10.1002/anie.202112223] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/11/2021] [Indexed: 12/15/2022]
Abstract
An inverse-electron-demand Diels-Alder (IEDDA) reaction could complement the conventional normal-electron-demand Diels-Alder reaction in the synthesis of six-membered carbocycles. However, catalytic asymmetric all-carbon-based IEDDA reactions are underdeveloped. Herein, we disclosed a copper-catalyzed asymmetric IEDDA reaction using electron-deficient 3-carboalkoxyl-2-pyrones and electronically unbiased indenes as reactants. This method enables the rapid and enantioselective construction of a wide range of hexahydrofluorenyl bridged-lactone scaffolds. Using this method, asymmetric total syntheses of cephanolides A and B were accomplished.
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Affiliation(s)
- Yang Lu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis, Fudan University, 220 Handan Rd., Shanghai, 200433, China
| | - Meng-Meng Xu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis, Fudan University, 220 Handan Rd., Shanghai, 200433, China
| | - Zhi-Mao Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis, Fudan University, 220 Handan Rd., Shanghai, 200433, China
| | - Junliang Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis, Fudan University, 220 Handan Rd., Shanghai, 200433, China
| | - Quan Cai
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis, Fudan University, 220 Handan Rd., Shanghai, 200433, China
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27
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Mali G, Chauhan ANS, Chavan KA, Erande RD. Development and Applications of Double Diels‐Alder Reaction in Organic Synthesis. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ghanshyam Mali
- Department of Chemistry Indian Institute of Technology Jodhpur Jodhpur 342037 India
| | | | - Kailas Arjun Chavan
- Department of Chemistry Indian Institute of Technology Jodhpur Jodhpur 342037 India
| | - Rohan D. Erande
- Department of Chemistry Indian Institute of Technology Jodhpur Jodhpur 342037 India
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28
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Ohmura S, Isogai R, Ishihara K. Radical Cation [4+2] Cycloaddition of Non‐Conjugated Tetrasubstituted Alkenes by an FeCl
3
/AgSbF
6
Co‐Initiator. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shuhei Ohmura
- Graduate School of Engineering Nagoya University Furo-cho, Chikusa, Nagoya 464-8603 Japan
| | - Ryosuke Isogai
- Graduate School of Engineering Nagoya University Furo-cho, Chikusa, Nagoya 464-8603 Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering Nagoya University Furo-cho, Chikusa, Nagoya 464-8603 Japan
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29
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Laina‐Martín V, Fernández‐Salas JA, Alemán J. Organocatalytic Strategies for the Development of the Enantioselective Inverse-electron-demand Hetero-Diels-Alder Reaction. Chemistry 2021; 27:12509-12520. [PMID: 34132427 PMCID: PMC8456916 DOI: 10.1002/chem.202101696] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Indexed: 12/20/2022]
Abstract
Cycloaddition reactions, in particular Diels-Alder reactions, have attracted a lot of attention from organic chemists since they represent one of the most powerful methodologies for the construction of carbon-carbon bonds. In particular, inverse-electron-demand hetero-Diels-Alder reactions have been an important breakthrough for the synthesis of heterocyclic compounds. Among all their variants, the organocatalytic enantioselective version has been widely explored since the asymmetric construction of diversely functionalized scaffolds under reaction conditions encompassed within the green chemistry field is of great interest. In this review, a profound revision on the latest advances on the organocatalytic asymmetric inverse-electron demand hetero-Diels-Alder reaction is shown.
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Affiliation(s)
- Víctor Laina‐Martín
- Departamento de Química Orgánica (módulo 1) Facultad de CienciasUniversidad Autónoma de Madrid28049-MadridSpain
| | - Jose A. Fernández‐Salas
- Departamento de Química Orgánica (módulo 1) Facultad de CienciasUniversidad Autónoma de Madrid28049-MadridSpain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid28049-MadridSpain
| | - José Alemán
- Departamento de Química Orgánica (módulo 1) Facultad de CienciasUniversidad Autónoma de Madrid28049-MadridSpain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid28049-MadridSpain
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30
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Abstract
The Pd-catalyzed carbon-carbon bond formation pioneered by Heck in 1969 has dominated medicinal chemistry development for the ensuing fifty years. As the demand for more complex three-dimensional active pharmaceuticals continues to increase, preparative enzyme-mediated assembly, by virtue of its exquisite selectivity and sustainable nature, is poised to provide a practical and affordable alternative for accessing such compounds. In this minireview, we summarize recent state-of-the-art developments in practical enzyme-mediated assembly of carbocycles. When appropriate, background information on the enzymatic transformation is provided and challenges and/or limitations are also highlighted.
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Affiliation(s)
- Weijin Wang
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Douglass F Taber
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Hans Renata
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA
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31
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Barløse CL, Østergaard NL, Bitsch RS, Iversen MV, Jørgensen KA. A Direct Organocatalytic Enantioselective Route to Functionalized
trans
‐Diels–Alder Products Having the Norcarane Scaffold. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Casper L. Barløse
- Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
| | - Niklas L. Østergaard
- Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
| | - René S. Bitsch
- Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
| | - Marc V. Iversen
- Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
| | - Karl Anker Jørgensen
- Department of Chemistry Aarhus University Langelandsgade 140 8000 Aarhus C Denmark
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32
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Barløse CL, Østergaard NL, Bitsch RS, Iversen MV, Jørgensen KA. A Direct Organocatalytic Enantioselective Route to Functionalized trans-Diels-Alder Products Having the Norcarane Scaffold. Angew Chem Int Ed Engl 2021; 60:18318-18327. [PMID: 34080269 DOI: 10.1002/anie.202106598] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/02/2021] [Indexed: 11/07/2022]
Abstract
An enantioselective methodology to construct trans-Diels-Alder scaffolds by organocatalysis with excellent selectivity, high yield and up to five contiguous stereocenters is presented. The reaction concept integrates the halogen effect and a novel discovered pseudo-halogen effect to direct an endo-selective, secondary-amine catalyzed Diels-Alder reaction allowing for the subsequent formation of trans-Diels-Alder cycloadducts featuring the norcarene scaffold. The methodology relies on the reaction between an in situ generated trienamine and an α-brominated or α-pseudo-halogenated enone to form a fleeting cis-Diels-Alder intermediate. The endo-transition state-enhanced by the (pseudo-)halogen effect-sets the stereochemistry that allows for a subsequent SN 2-like reaction at a tertiary center to obtain the trans-Diels-Alder scaffold. The mechanism was investigated and supported by experimental results as well as computational studies.
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Affiliation(s)
- Casper L Barløse
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Niklas L Østergaard
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - René S Bitsch
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Marc V Iversen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Karl Anker Jørgensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
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33
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Jessen BM, Taarning E, Madsen R. Synthesis, Stability, and Diels‐Alder Reactions of Methyl 2‐Oxobut‐3‐enoate. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Bo M. Jessen
- Department of Chemistry Technical University of Denmark 2800 Kgs. Lyngby Denmark
| | - Esben Taarning
- Haldor Topsøe A/S Haldor Topsøes Allé 1 2800 Kgs. Lyngby Denmark
| | - Robert Madsen
- Department of Chemistry Technical University of Denmark 2800 Kgs. Lyngby Denmark
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34
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Rivera‐Chao E, Fañanás‐Mastral M. Stereoselective Synthesis of Highly Substituted 1,3-Dienes via "à la carte" Multifunctionalization of Borylated Dendralenes. Angew Chem Int Ed Engl 2021; 60:16922-16927. [PMID: 34043856 PMCID: PMC8362018 DOI: 10.1002/anie.202104741] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/12/2021] [Indexed: 01/05/2023]
Abstract
Despite the high relevance of 1,3-dienes, stereoselective methods to access tetrasubstituted conjugated dienes are still scarce. We here report an efficient and modular approach that provides access to multifunctional tetrasubstituted 1,3-dienes with excellent levels of regio- and stereoselectivity. This methodology is based on a tetracomponent reaction between a borylated dendralene, an organolithium reagent and two different electrophiles. Mechanistic studies reveal that this transformation proceeds through a regio- and stereoselective carbolithiation/electrophilic trapping of an in situ formed dendralenic boron-ate complex, followed by a stereoretentive halodeborylation. The ease in which complex structural dienes can be accessed and their synthetic versatility highlight the importance and utility of this method.
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Affiliation(s)
- Eva Rivera‐Chao
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Martín Fañanás‐Mastral
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
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35
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Rivera‐Chao E, Fañanás‐Mastral M. Stereoselective Synthesis of Highly Substituted 1,3‐Dienes via “à la carte” Multifunctionalization of Borylated Dendralenes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104741] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Eva Rivera‐Chao
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Martín Fañanás‐Mastral
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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36
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Strauss MA, Kohrs D, Ruhl J, Wegner HA. Mechanistic Study of Domino Processes Involving the Bidentate Lewis Acid Catalyzed Inverse Electron‐Demand Diels−Alder Reaction. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Marcel A. Strauss
- Institute of Organic Chemistry Justus Liebig University Giessen Heinrich-Buff-Ring 17 35392 Giessen Germany
- Center for Materials Research (LaMa) Justus Liebig University Giessen Heinrich-Buff-Ring 16 35392 Giessen Germany
| | - Daniel Kohrs
- Institute of Organic Chemistry Justus Liebig University Giessen Heinrich-Buff-Ring 17 35392 Giessen Germany
- Center for Materials Research (LaMa) Justus Liebig University Giessen Heinrich-Buff-Ring 16 35392 Giessen Germany
| | - Julia Ruhl
- Institute of Organic Chemistry Justus Liebig University Giessen Heinrich-Buff-Ring 17 35392 Giessen Germany
- Center for Materials Research (LaMa) Justus Liebig University Giessen Heinrich-Buff-Ring 16 35392 Giessen Germany
| | - Hermann A. Wegner
- Institute of Organic Chemistry Justus Liebig University Giessen Heinrich-Buff-Ring 17 35392 Giessen Germany
- Center for Materials Research (LaMa) Justus Liebig University Giessen Heinrich-Buff-Ring 16 35392 Giessen Germany
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37
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Vermeeren P, Tiezza MD, van Dongen M, Fernández I, Bickelhaupt FM, Hamlin TA. Lewis Acid-Catalyzed Diels-Alder Reactions: Reactivity Trends across the Periodic Table. Chemistry 2021; 27:10610-10620. [PMID: 33780068 PMCID: PMC8360170 DOI: 10.1002/chem.202100522] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Indexed: 12/20/2022]
Abstract
The catalytic effect of various weakly interacting Lewis acids (LAs) across the periodic table, based on hydrogen (Group 1), pnictogen (Group 15), chalcogen (Group 16), and halogen (Group 17) bonds, on the Diels-Alder cycloaddition reaction between 1,3-butadiene and methyl acrylate was studied quantum chemically by using relativistic density functional theory. Weakly interacting LAs accelerate the Diels-Alder reaction by lowering the reaction barrier up to 3 kcal mol-1 compared to the uncatalyzed reaction. The reaction barriers systematically increase from halogen
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Affiliation(s)
- Pascal Vermeeren
- Department of Theoretical ChemistryAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdam Center for Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081 HVAmsterdam (TheNetherlands
| | - Marco Dalla Tiezza
- Department of Theoretical ChemistryAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdam Center for Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081 HVAmsterdam (TheNetherlands
| | - Michelle van Dongen
- Department of Theoretical ChemistryAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdam Center for Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081 HVAmsterdam (TheNetherlands
| | - Israel Fernández
- Departamento de Química Orgánica I and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de Ciencias QuímicasUniversidad Complutense de Madrid28040MadridSpain
| | - F. Matthias Bickelhaupt
- Department of Theoretical ChemistryAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdam Center for Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081 HVAmsterdam (TheNetherlands
- Institute for Molecules and MaterialsRadboud UniversityHeyendaalseweg 1356525 AJNijmegen (TheNetherlands
| | - Trevor A. Hamlin
- Department of Theoretical ChemistryAmsterdam Institute of Molecular and Life Sciences (AIMMS)Amsterdam Center for Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081 HVAmsterdam (TheNetherlands
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38
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Peixoto PA, El Assal M, Chataigner I, Castet F, Cornu A, Coffinier R, Bosset C, Deffieux D, Pouységu L, Quideau S. Bispericyclic Diels-Alder Dimerization of ortho-Quinols in Natural Product (Bio)Synthesis: Bioinspired Chemical 6-Step Synthesis of (+)-Maytenone. Angew Chem Int Ed Engl 2021; 60:14967-14974. [PMID: 33851775 DOI: 10.1002/anie.202103410] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Indexed: 12/15/2022]
Abstract
Many natural products of plant or microbial origins are derived from enzymatic dearomative oxygenation of 2-alkylphenolic precursors into 6-alkyl-6-hydroxycyclohexa-2,4-dienones. These so-called ortho-quinols cyclodimerize via a remarkably selective bispericyclic Diels-Alder reaction. Whether or not the intervention of catalytic or dirigent proteins is involved during this final step of the biosynthesis of these natural products, this cyclodimerization of ortho-quinols can be chemically reproduced in the laboratory with the same strict level of site-specific regioselectivity and stereoselectivity. This unique yet unified process, which finds its rationale in the inherent chemical reactivity of those ortho-quinols, is illustrated herein by an efficient and bioinspired first chemical synthesis of one of the most structurally complex and synthetically challenging examples of such natural cyclodimers, the bisditerpenoid (+)-maytenone.
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Affiliation(s)
- Philippe A Peixoto
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Mourad El Assal
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Isabelle Chataigner
- Laboratoire COBRA (CNRS-UMR 6014), Normandie Université, INSA Rouen, UNIROUEN, 1 rue Tesnière, 76821, Mont-Saint-Aignan Cedex, France.,Present address: Sorbonne Université, LCT (CNRS-UMR 7616), 4 place Jussieu, 75052, Paris Cedex, France
| | - Frédéric Castet
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Anaëlle Cornu
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Romain Coffinier
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Cyril Bosset
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Denis Deffieux
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Laurent Pouységu
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France
| | - Stéphane Quideau
- Univ. Bordeaux, ISM (CNRS-UMR 5255), 351 cours de la Libération, 33405, Talence Cedex, France.,Institut Universitaire de France, 1 rue Descartes, 75231, Paris Cedex 05, France
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39
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Peixoto PA, El Assal M, Chataigner I, Castet F, Cornu A, Coffinier R, Bosset C, Deffieux D, Pouységu L, Quideau S. Bispericyclic Diels–Alder Dimerization of
ortho
‐Quinols in Natural Product (Bio)Synthesis: Bioinspired Chemical 6‐Step Synthesis of (+)‐Maytenone. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Philippe A. Peixoto
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Mourad El Assal
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Isabelle Chataigner
- Laboratoire COBRA (CNRS-UMR 6014) Normandie Université INSA Rouen UNIROUEN 1 rue Tesnière 76821 Mont-Saint-Aignan Cedex France
- Present address: Sorbonne Université LCT (CNRS-UMR 7616) 4 place Jussieu 75052 Paris Cedex France
| | - Frédéric Castet
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Anaëlle Cornu
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Romain Coffinier
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Cyril Bosset
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Denis Deffieux
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Laurent Pouységu
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
| | - Stéphane Quideau
- Univ. Bordeaux ISM (CNRS-UMR 5255) 351 cours de la Libération 33405 Talence Cedex France
- Institut Universitaire de France 1 rue Descartes 75231 Paris Cedex 05 France
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40
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Sicignano M, Rodríguez RI, Alemán J. Recent Visible Light and Metal Free Strategies in [2+2] and [4+2] Photocycloadditions. European J Org Chem 2021; 2021:3303-3321. [PMID: 34248414 PMCID: PMC8252406 DOI: 10.1002/ejoc.202100518] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/17/2021] [Indexed: 01/17/2023]
Abstract
When aiming to synthesize molecules with elevated molecular complexity starting from relatively simple starting materials, photochemical transformations represent an open avenue to circumvent analogous multistep procedures. Specifically, light-mediated cycloadditions remain as powerful tools to generate new bonds begotten from non-very intuitive disconnections, that alternative thermal protocols would not offer. In response to the current trend in both industrial and academic research pointing towards green and sustainable processes, several strategies that meet these requirements are currently available in the literature. This Minireview summarizes [2+2] and [4+2] photocycloadditions that do not require the use of metal photocatalysts by means of alternative strategies. It is segmented according to the cycloaddition type in order to give the reader a friendly approach and we primarily focus on the most recent developments in the field carried out using visible light, a general overview of the mechanism in each case is offered as well.
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Affiliation(s)
- Marina Sicignano
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
| | - Ricardo I. Rodríguez
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
| | - José Alemán
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid28049MadridSpain
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41
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Marsden SR, Mestrom L, Wijma HJ, Noordam SJ, McMillan DGG, Hanefeld U. Thermodynamics Determine the Diastereochemical Outcome of Catalytic Reactions. ChemCatChem 2021. [DOI: 10.1002/cctc.202100178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Stefan R. Marsden
- Biokatalyse, Afdeling Biotechnologie Technische Universiteit Delft van der Maasweg 9 2629HZ Delft The Netherlands
| | - Luuk Mestrom
- Biokatalyse, Afdeling Biotechnologie Technische Universiteit Delft van der Maasweg 9 2629HZ Delft The Netherlands
| | - Hein J. Wijma
- Groningen Biomolecular Sciences and Biotechnology Institute Faculty of Science and Engineering University of Groningen Nijenborgh 4 9747AG Groningen The Netherlands
| | - Sander J. Noordam
- Biokatalyse, Afdeling Biotechnologie Technische Universiteit Delft van der Maasweg 9 2629HZ Delft The Netherlands
| | - Duncan G. G. McMillan
- Biokatalyse, Afdeling Biotechnologie Technische Universiteit Delft van der Maasweg 9 2629HZ Delft The Netherlands
| | - Ulf Hanefeld
- Biokatalyse, Afdeling Biotechnologie Technische Universiteit Delft van der Maasweg 9 2629HZ Delft The Netherlands
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42
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Affiliation(s)
- Thiemo Arndt
- Department of Chemistry University of Cologne Greinstraße 4 50939 Köln Germany
| | - Philip K. Wagner
- Department of Chemistry University of Cologne Greinstraße 4 50939 Köln Germany
| | - Jonas J. Koenig
- Department of Chemistry University of Cologne Greinstraße 4 50939 Köln Germany
| | - Martin Breugst
- Department of Chemistry University of Cologne Greinstraße 4 50939 Köln Germany
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43
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Uceda RG, Roldan‐Molina E, Navarro JAR, Oltra JE. The Aza Diels‐Alder Reaction on Brominated Conjugated Dienes. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rafael G. Uceda
- Department of Organic Chemistry Faculty of Sciences University of Granada Campus Fuentenueva s/n, 18071 Granada Spain
| | - Esther Roldan‐Molina
- Department of Inorganic Chemistry Faculty of Sciences University of Granada Campus Fuentenueva s/n, 18071 Granada Spain
| | - Jorge A. R. Navarro
- Department of Inorganic Chemistry Faculty of Sciences University of Granada Campus Fuentenueva s/n, 18071 Granada Spain
| | - J. Enrique Oltra
- Department of Organic Chemistry Faculty of Sciences University of Granada Campus Fuentenueva s/n, 18071 Granada Spain
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44
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Vermeeren P, Hamlin TA, Bickelhaupt FM, Fernández I. Bifunctional Hydrogen Bond Donor-Catalyzed Diels-Alder Reactions: Origin of Stereoselectivity and Rate Enhancement. Chemistry 2021; 27:5180-5190. [PMID: 33169912 PMCID: PMC8049058 DOI: 10.1002/chem.202004496] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Indexed: 11/11/2022]
Abstract
The selectivity and rate enhancement of bifunctional hydrogen bond donor-catalyzed Diels-Alder reactions between cyclopentadiene and acrolein were quantum chemically studied using density functional theory in combination with coupled-cluster theory. (Thio)ureas render the studied Diels-Alder cycloaddition reactions exo selective and induce a significant acceleration of this process by lowering the reaction barrier by up to 7 kcal mol-1 . Our activation strain and Kohn-Sham molecular orbital analyses uncover that these organocatalysts enhance the Diels-Alder reactivity by reducing the Pauli repulsion between the closed-shell filled π-orbitals of the diene and dienophile, by polarizing the π-orbitals away from the reactive center and not by making the orbital interactions between the reactants stronger. In addition, we establish that the unprecedented exo selectivity of the hydrogen bond donor-catalyzed Diels-Alder reactions is directly related to the larger degree of asynchronicity along this reaction pathway, which is manifested in a relief of destabilizing activation strain and Pauli repulsion.
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Affiliation(s)
- Pascal Vermeeren
- Department of Theoretical ChemistryAmsterdam Institute of, Molecular and Life Sciences (AIMMS)Amsterdam Center for, Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081HVAmsterdamThe Netherlands
| | - Trevor A. Hamlin
- Department of Theoretical ChemistryAmsterdam Institute of, Molecular and Life Sciences (AIMMS)Amsterdam Center for, Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081HVAmsterdamThe Netherlands
| | - F. Matthias Bickelhaupt
- Department of Theoretical ChemistryAmsterdam Institute of, Molecular and Life Sciences (AIMMS)Amsterdam Center for, Multiscale Modeling (ACMM)Vrije Universiteit AmsterdamDe Boelelaan 10831081HVAmsterdamThe Netherlands
- Institute for Molecules and Materials (IMM)Radboud UniversityHeyendaalseweg 1356525AJNijmegenThe Netherlands
| | - Israel Fernández
- Departamento de Química Orgánica ICentro de Innovación, en Química Avanzada (ORFEO-CINQA)Facultad de Ciencias QuímicasUniversidad Complutense de Madrid28040MadridSpain
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45
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Hari DP, Pisella G, Wodrich MD, Tsymbal AV, Tirani FF, Scopelliti R, Waser J. Low-Temperature Intramolecular [4+2] Cycloaddition of Allenes with Arenes for the Synthesis of Diene Ligands. Angew Chem Int Ed Engl 2021; 60:5475-5481. [PMID: 33216417 DOI: 10.1002/anie.202012299] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Indexed: 11/08/2022]
Abstract
The intramolecular [4+2] cycloaddition between arenes and allenes first reported by Himbert gives rapid access to rigid polycyclic scaffolds. Herein, we report a one-pot oxyalkynylation/cycloaddition reaction proceeding under mild conditions (23-90 °C) and providing complex polycyclic architectures with high efficiency, and atom and step economy. The bicyclo[2.2.2]octadiene products were obtained with a wide variety of useful functional groups and were successfully applied as chiral ligands for metal catalysis. Computational studies gave a first rationalization of the low activation energy for the cycloaddition based on counter-intuitive favorable dispersive interactions in the transition state.
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Affiliation(s)
- Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 1402, 1015, Lausanne, Switzerland.,Present address: School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Guillaume Pisella
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 1402, 1015, Lausanne, Switzerland
| | - Matthew D Wodrich
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 1402, 1015, Lausanne, Switzerland
| | - Artem V Tsymbal
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 1402, 1015, Lausanne, Switzerland
| | - Farzaneh Fadaei Tirani
- Institute of Chemistry and Chemical Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC-GE, BCH 2111, 1015, Lausanne, Switzerland
| | - Rosario Scopelliti
- Institute of Chemistry and Chemical Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC-GE, BCH 2111, 1015, Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 1402, 1015, Lausanne, Switzerland
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46
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Yan P, Zhong C, Zhang J, Liu Y, Fang H, Lu P. 3‐(Methoxycarbonyl)Cyclobutenone as a Reactive Dienophile in Enantioselective Diels–Alder Reactions Catalyzed by Chiral Oxazaborolidinium Ions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Peng Yan
- Department of Research Center for Molecular Recognition and Synthesis Department of Chemistry Fudan University 220 Handan Lu Shanghai 200433 P. R. China
| | - Changxu Zhong
- Department of Research Center for Molecular Recognition and Synthesis Department of Chemistry Fudan University 220 Handan Lu Shanghai 200433 P. R. China
| | - Jie Zhang
- College of Chemistry and Life Advanced Institute of Materials Science Changchun University of Technology Changchun 130012 P. R. China
| | - Yu Liu
- College of Chemistry and Life Advanced Institute of Materials Science Changchun University of Technology Changchun 130012 P. R. China
| | - Huayi Fang
- School of Materials Science and Engineering Tianjin Key Lab for Rare Earth Materials and Applications Nankai University Tianjin 300350 P. R. China
| | - Ping Lu
- Department of Research Center for Molecular Recognition and Synthesis Department of Chemistry Fudan University 220 Handan Lu Shanghai 200433 P. R. China
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47
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Yan P, Zhong C, Zhang J, Liu Y, Fang H, Lu P. 3-(Methoxycarbonyl)Cyclobutenone as a Reactive Dienophile in Enantioselective Diels-Alder Reactions Catalyzed by Chiral Oxazaborolidinium Ions. Angew Chem Int Ed Engl 2021; 60:4609-4613. [PMID: 33201584 DOI: 10.1002/anie.202014308] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/16/2020] [Indexed: 11/06/2022]
Abstract
Cyclobutenone has been used as a highly reactive dienophile in Diels-Alder reactions, however, no enantioselective example has been reported. We disclose herein a chiral oxazaborolidine-aluminum bromide catalyzed enantioselective Diels-Alder reaction of 3-alkoxycarbonyl cyclobutenone with a variety of dienes. Furthermore, a total synthesis of (-)-kingianin F was completed for the first time via enantioenriched cycloadduct bicyclo[4.2.0]octane derivative.
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Affiliation(s)
- Peng Yan
- Department of Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, 200433, P. R. China
| | - Changxu Zhong
- Department of Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, 200433, P. R. China
| | - Jie Zhang
- College of Chemistry and Life, Advanced Institute of Materials Science, Changchun University of Technology, Changchun, 130012, P. R. China
| | - Yu Liu
- College of Chemistry and Life, Advanced Institute of Materials Science, Changchun University of Technology, Changchun, 130012, P. R. China
| | - Huayi Fang
- School of Materials Science and Engineering, Tianjin Key Lab for Rare Earth Materials and Applications, Nankai University, Tianjin, 300350, P. R. China
| | - Ping Lu
- Department of Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, 200433, P. R. China
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48
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Hari DP, Pisella G, Wodrich MD, Tsymbal AV, Tirani FF, Scopelliti R, Waser J. Low‐Temperature Intramolecular [4+2] Cycloaddition of Allenes with Arenes for the Synthesis of Diene Ligands. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
- Present address: School of Chemistry University of Bristol, Cantock's Close Bristol BS8 1TS UK
| | - Guillaume Pisella
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Matthew D. Wodrich
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Artem V. Tsymbal
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
| | - Farzaneh Fadaei Tirani
- Institute of Chemistry and Chemical Engineering Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC-GE, BCH 2111 1015 Lausanne Switzerland
| | - Rosario Scopelliti
- Institute of Chemistry and Chemical Engineering Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC-GE, BCH 2111 1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis Ecole Polytechnique Fédérale de Lausanne EPFL SB ISIC LCSO, BCH 1402 1015 Lausanne Switzerland
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49
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Huang G, Kouklovsky C, Torre A. Inverse‐Electron‐Demand Diels–Alder Reactions of 2‐Pyrones: Bridged Lactones and Beyond. Chemistry 2021; 27:4760-4788. [DOI: 10.1002/chem.202003980] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Guanghao Huang
- Université Paris-Saclay CNRS Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Cyrille Kouklovsky
- Université Paris-Saclay CNRS Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Aurélien Torre
- Université Paris-Saclay CNRS Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) 15, rue Georges Clémenceau 91405 Orsay Cedex France
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50
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Maier J, Deutsch M, Merz J, Ye Q, Diamond O, Schilling M, Friedrich A, Engels B, Marder TB. Highly Conjugated π-Systems Arising from Cannibalistic Hexadehydro-Diels-Alder Couplings: Cleavage of C-C Single and Triple Bonds. Chemistry 2020; 26:15989-16000. [PMID: 32619049 PMCID: PMC7756338 DOI: 10.1002/chem.202002511] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Indexed: 11/30/2022]
Abstract
We have investigated the cannibalistic self-trapping reaction of an ortho-benzyne derivative generated from 1,11-bis(p-tolyl)undeca-1,3,8,10-tetrayne in an HDDA reaction. Without adding any specific trapping agent, the highly reactive benzyne is trapped by another bisdiyne molecule in at least three different modes. We have isolated and characterized the resulting products and performed high-level calculations concerning the reaction mechanism. During the cannibalistic self-trapping process, either a C≡C triple bond or an sp-sp3 C-C single bond is cleaved. Up to seven rings and nine C-C bonds are formed starting from two 1,11-bis(p-tolyl)undeca-1,3,8,10-tetrayne molecules. Our experiments and calculations provide considerable insight into the variety of reaction pathways which the ortho-benzyne derivative, generated from a bisdiyne, can take when reacting with another bisdiyne molecule.
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Affiliation(s)
- Jan Maier
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Marian Deutsch
- Institut für Physikalische und Theoretische Chemie, Julius-Maximilians-Universität WürzburgEmil-Fischer-Straße 4297074WürzburgGermany
| | - Julia Merz
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Qing Ye
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
- Southern University of Science and TechnologyNo 1088, Xueyuan Rd.Xili, Nanshan DistrictShenzhen, GuangdongP. R. China
| | - Oliver Diamond
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Maja‐Tessa Schilling
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Alexandra Friedrich
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
| | - Bernd Engels
- Institut für Physikalische und Theoretische Chemie, Julius-Maximilians-Universität WürzburgEmil-Fischer-Straße 4297074WürzburgGermany
| | - Todd B. Marder
- Institut für Anorganische Chemie and Institute for Sustainable Chemistry &, Catalysis with Boron (ICB)Julius-Maximilians-Universität WürzburgAm Hubland97074WürzburgGermany
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