1
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Berrino E, Cantin T, Artault M, Beck S, Jessen C, Marrot J, Guégan F, Mingot A, Kornath A, Thibaudeau S. Accumulation, Characterization and Reactivity of Chiral Ammonium-Carboxonium Dications in Superacid. Angew Chem Int Ed Engl 2024; 63:e202404066. [PMID: 38587216 DOI: 10.1002/anie.202404066] [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: 02/29/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/09/2024]
Abstract
The accumulation of chiral ammonium-oxocarbenium dications in superacid is evidenced by low-temperature NMR spectroscopy, X-ray diffraction analysis and confirmed by DFT calculations. Its potential for the diastereoselective remote hydrofunctionalization of non-activated alkene is also explored.
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Affiliation(s)
- Emanuela Berrino
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
| | - Thomas Cantin
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
| | - Maxime Artault
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
| | - Stefanie Beck
- Department of Chemistry, Ludwig-Maximilian University of Munich, Butenandtstr. 5-13, D-81377, München, Germany
| | - Christoph Jessen
- Department of Chemistry, Ludwig-Maximilian University of Munich, Butenandtstr. 5-13, D-81377, München, Germany
| | - Jérôme Marrot
- UMR CNRS 8180, 45 avenue des États-Unis, 78035, Versailles Cedex, France
| | - Frédéric Guégan
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
| | - Agnès Mingot
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
| | - Andreas Kornath
- Department of Chemistry, Ludwig-Maximilian University of Munich, Butenandtstr. 5-13, D-81377, München, Germany
| | - Sébastien Thibaudeau
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel, Brunet, 86073 Poitiers cedex 9, France
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2
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Artault M, Cantin T, Longuet M, Vitse K, Mbengo CDM, Guégan F, Michelet B, Martin-Mingot A, Thibaudeau S. Exploring Superacid-Promoted Skeletal Reorganization of Aliphatic Nitrogen-Containing Compounds. Angew Chem Int Ed Engl 2024; 63:e202316458. [PMID: 37984060 DOI: 10.1002/anie.202316458] [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: 10/31/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
Here we report a method to reorganize the core structure of aliphatic unsaturated nitrogen-containing substrates exploiting polyprotonation in superacid solutions. The superelectrophilic activation of N-isopropyl systems allows for the selective formal Csp3 -H activation/cyclization or homologation / functionalization of nitrogen-containing substrates. This study also reveals that this skeletal reorganization can be controlled through protonation interplay. The mechanism of this process involves an original sequence of C-N bond cleavage, isopropyl cation generation and subsequent C-N bond and C-C bond formation. This was demonstrated through in situ NMR analysis and labelling experiments, also confirmed by DFT calculations.
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Affiliation(s)
- Maxime Artault
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Thomas Cantin
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Mélissa Longuet
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Kassandra Vitse
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | | | - Frédéric Guégan
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Bastien Michelet
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Agnès Martin-Mingot
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
| | - Sébastien Thibaudeau
- IC2MP UMR CNRS 7285, Université de Poitiers, 4 rue Michel Brunet, 86073, Poitiers cedex 9, France
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3
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Appert E, Martin‐Mingot A, Karam O, Zunino F, Michelet B, Bouazza F, Thibaudeau S. Superacid‐Mediated Late‐Stage Aromatic Polydeuteration of Pharmaceuticals. Chemistry 2022; 28:e202201583. [DOI: 10.1002/chem.202201583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Indexed: 12/15/2022]
Affiliation(s)
- Emeline Appert
- Superacid Group – Organic Synthesis Team IC2MP Université de Poitiers, UMR-CNRS 7285 4 rue Michel Brunet, TSA 51106 86073 Poitiers Cedex 9 France
- @rtMolecule 1 rue Georges Bonnet, Bâtiment B37 86000 Poitiers France
| | - Agnès Martin‐Mingot
- Superacid Group – Organic Synthesis Team IC2MP Université de Poitiers, UMR-CNRS 7285 4 rue Michel Brunet, TSA 51106 86073 Poitiers Cedex 9 France
| | - Omar Karam
- @rtMolecule 1 rue Georges Bonnet, Bâtiment B37 86000 Poitiers France
| | - Fabien Zunino
- @rtMolecule 1 rue Georges Bonnet, Bâtiment B37 86000 Poitiers France
| | - Bastien Michelet
- Superacid Group – Organic Synthesis Team IC2MP Université de Poitiers, UMR-CNRS 7285 4 rue Michel Brunet, TSA 51106 86073 Poitiers Cedex 9 France
| | - Fodil Bouazza
- @rtMolecule 1 rue Georges Bonnet, Bâtiment B37 86000 Poitiers France
| | - Sébastien Thibaudeau
- Superacid Group – Organic Synthesis Team IC2MP Université de Poitiers, UMR-CNRS 7285 4 rue Michel Brunet, TSA 51106 86073 Poitiers Cedex 9 France
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4
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Ranjith J, Jeong Y, Kim H, Ha HJ. α‐ Aziridinyl Carbenium Ion Intermediate and Stereoselective Dehydroxylative Diarylation of Aziridin‐2‐yl Carboxaldehyde. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200186] [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)
- Jala Ranjith
- Hankuk University of Foreign Studies Chemistry KOREA, REPUBLIC OF
| | - Yeolib Jeong
- Korea Advanced Institute of Science and Technology Chemistry KOREA, REPUBLIC OF
| | - Hyunwoo Kim
- Korean Advanced Institute of Science: Korea Advanced Institute of Science and Technology Chemistry KOREA, REPUBLIC OF
| | - Hyun-Joon Ha
- Hankuk University of Foreign Studies Department of Chemistry and Protein Research Center for Bio-Industry Yongin 449-791 Kyunggi-Do KOREA, REPUBLIC OF
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5
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Sunke R, Ahmed Khan S, Kumara Swamy KC. Pd-catalysed intramolecular transformations of indolylbenzenesulfonamides: ortho-sulfonamido-bi(hetero)aryls via C2-arylation and polycyclic sultams via C3 arylation. Org Biomol Chem 2022; 20:9148-9160. [DOI: 10.1039/d2ob01610a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Indolyl substituted iodo-sulfonamides deliver 2-aryl(sulfonamido)indoles in the presence of Pd(OAc)2/Ph3P/Et3N; the same reactants, using Pd(OAc)2/Ph3P/K2CO3, afford indole-fused sultams.
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Affiliation(s)
- Rajnikanth Sunke
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, Telangana, India
| | - Shabbir Ahmed Khan
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, Telangana, India
| | - K. C. Kumara Swamy
- School of Chemistry, University of Hyderabad, Hyderabad 500 046, Telangana, India
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6
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Liu A, Guo T, Zhang S, Yang H, Zhang Q, Chai Y, Zhang S. Structurally Diverse Synthesis of Five-, Six-, and Seven-Membered Benzosultams through Electrochemical Cyclization. Org Lett 2021; 23:6326-6331. [PMID: 34342457 DOI: 10.1021/acs.orglett.1c02128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have developed a metal- and oxidant-free approach to structurally diverse synthesis of benzosultams from aryl sulfonamides through an electrochemical cyclization. Upon variation of the ortho substituent on aryl sulfonamides, five-, six-, and seven-membered benzosultams were efficiently assembled in an atom- and resource-economic manner. The generality of the process is demonstrated by the formation of five- to seven-membered cyclic products from 42 substrates bearing substituents with different electronic effects and steric hindrance.
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Affiliation(s)
- Aiyun Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Tiantian Guo
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Shuangshuang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Han Yang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Qi Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Yonghai Chai
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
| | - Shengyong Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an, Shaanxi 710119, P. R. China.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi 710119, P. R. China
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7
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Bourbon P, Appert E, Martin-Mingot A, Michelet B, Thibaudeau S. Complementary Site-Selective Sulfonylation of Aromatic Amines by Superacid Activation. Org Lett 2021; 23:4115-4120. [PMID: 33999645 DOI: 10.1021/acs.orglett.1c00994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Under superacidic conditions, aniline and indole derivatives are sulfonylated at low temperature with easy-to-access arenesulfonic acids or arenesulfonyl hydrazides. By modification of the functional-group directing effect through protonation, this method allows nonclassical site functionalization by overcoming the innate regioselectivity of electrophilic aromatic substitution. This superacid-mediated sulfonylation of arenes is complementary to existing methods and can be applied, through protection by protonation, to the late-stage site-selective functionalization of natural alkaloids and active pharmaceutical ingredients.
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Affiliation(s)
- Paul Bourbon
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Lab - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France
| | - Emeline Appert
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Lab - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France.,@rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000 Poitiers, France
| | - Agnès Martin-Mingot
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Lab - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France
| | - Bastien Michelet
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Lab - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France
| | - Sébastien Thibaudeau
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Lab - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France
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8
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Kasakado T, Hyodo M, Furuta A, Kamardine A, Ryu I, Fukuyama T. Flow
Friedel–Crafts
alkylation of
1‐adamantanol
with arenes using
HO‐SAS
as an immobilized acid catalyst. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.202000518] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Takayoshi Kasakado
- Organization for Research Promotion Osaka Prefecture University Sakai Japan
| | - Mamoru Hyodo
- Organization for Research Promotion Osaka Prefecture University Sakai Japan
| | - Akihiro Furuta
- Department of Chemistry Graduate School of Science, Osaka Prefecture University Sakai Japan
| | - Aina Kamardine
- Department of Chemistry Graduate School of Science, Osaka Prefecture University Sakai Japan
| | - Ilhyong Ryu
- Organization for Research Promotion Osaka Prefecture University Sakai Japan
- Department of Applied Chemistry National Chiao Tung University Hsinchu Taiwan
| | - Takahide Fukuyama
- Department of Chemistry Graduate School of Science, Osaka Prefecture University Sakai Japan
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