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Hansjacob P, Leroux FR, Gandon V, Donnard M. Palladium-Catalyzed Silylcyanation of Ynamides: Regio- and Stereoselective Access to Tetrasubstituted 3-Silyl-2-Aminoacrylonitriles. Angew Chem Int Ed Engl 2022; 61:e202200204. [PMID: 35060272 DOI: 10.1002/anie.202200204] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Indexed: 01/02/2023]
Abstract
The palladium-catalyzed silylcyanation of ynamides is described. This reaction is fully regioselective, delivering tetrasubstituted 2-aminoacrylonitriles derivatives exclusively. Unexpectedly, the nature (aryl or alkyl) of the substituent located at the β-position of the ynamide directly controls the stereoselectivity. The reaction tolerates a number of functional groups and can be considered as the first general access to fully substituted 2-aminoacrylonitriles. Given the singular reactivity observed, a computational study was performed to shed light on the mechanism of this intriguing transformation. Relying on the specific reactivity of the newly installed vinylsilane functionality, the scope of 2-aminoacrylonitriles has been enlarged by postfunctionalization.
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Affiliation(s)
- Pierre Hansjacob
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
| | - Frédéric R Leroux
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405, Orsay cedex, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, 91128, Palaiseau cedex, France
| | - Morgan Donnard
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042), Université de Strasbourg, Université de Haute-Alsace, CNRS, 67000, Strasbourg, France
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2
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Chen F, Zheng Y, Yang H, Yang Q, Wu L, Zhou N. Iron‐Catalyzed Silylation and Spirocyclization of Biaryl‐Ynones: A Radical Cascade Process toward Silylated Spiro[5.5]trienones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Fei Chen
- Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs Anyang Key Laboratory of New Functional Complex Materials College of Chemistry and Chemical Engineering Anyang Normal University Anyang 455000 People's Republic of China
| | - Yang Zheng
- Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs Anyang Key Laboratory of New Functional Complex Materials College of Chemistry and Chemical Engineering Anyang Normal University Anyang 455000 People's Republic of China
| | - Hao Yang
- Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs Anyang Key Laboratory of New Functional Complex Materials College of Chemistry and Chemical Engineering Anyang Normal University Anyang 455000 People's Republic of China
| | - Qing‐Yun Yang
- Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs Anyang Key Laboratory of New Functional Complex Materials College of Chemistry and Chemical Engineering Anyang Normal University Anyang 455000 People's Republic of China
| | - Lu‐Yan Wu
- Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs Anyang Key Laboratory of New Functional Complex Materials College of Chemistry and Chemical Engineering Anyang Normal University Anyang 455000 People's Republic of China
| | - Nengneng Zhou
- Key Laboratory of Functionalized Molecular Solids, Ministry of Education Anhui Key Laboratory of Molecule-Based Materials College of Chemistry and Materials Science Anhui Normal University Wuhu 241000 People's Republic of China
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3
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Hansjacob P, Leroux FR, Gandon V, Donnard M. Palladium‐Catalyzed Silylcyanation of Ynamides: Regio‐ and Stereoselective Access to Tetrasubstituted 3‐Silyl‐2‐Aminoacrylonitriles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200204] [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)
- Pierre Hansjacob
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
| | - Frédéric R. Leroux
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris-Saclay Bâtiment 420 91405 Orsay cedex France
- Laboratoire de Chimie Moléculaire (LCM) CNRS UMR 9168 Ecole Polytechnique Institut Polytechnique de Paris route de Saclay 91128 Palaiseau cedex France
| | - Morgan Donnard
- Laboratoire d'Innovation Moléculaire et Applications (UMR 7042) Université de Strasbourg Université de Haute-Alsace CNRS 67000 Strasbourg France
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4
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Cui WC, Zhao W, Gao M, Liu W, Wang S, Liang Y, Yao ZJ. Diastereoselective Synthesis of Polysubstituted Piperidines through Visible-Light-Driven Silylative Cyclization of Aza-1,6-Dienes: Experimental and DFT Studies. Chemistry 2019; 25:16506-16510. [PMID: 31544271 DOI: 10.1002/chem.201903440] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/19/2019] [Indexed: 01/24/2023]
Abstract
A visible-light-driven radical silylative cyclization of aza-1,6-dienes featuring an acrylonitrile or acrylate moiety and an electron-neutral olefin was developed, which allows for stereoselective synthesis of densely functionalized piperidines in a highly atom-economical manner. Depending on the substitution pattern of the electron-neutral olefin, poor-to-excellent diastereoselectivity was observed. It was suggested that the 6-exo-trig cyclization was initiated by a chemoselective addition of silyl radical toward electron-deficient olefin and the geometry of the remaining olefin is closely associated with the cis-stereoselectivity. DFT calculations supported that a transition state with a cyano group locating at the axial position of the forming piperidine ring might be involved, in which either the increase of 1,3-diaxial repulsion or the lack of hydrogen bonding interaction will diminish diastereoselectivity.
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Affiliation(s)
- Wei-Chen Cui
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Wenxuan Zhao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Ming Gao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Wei Liu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Shaozhong Wang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Yong Liang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Zhu-Jun Yao
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
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5
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He T, Liu LC, Guo L, Li B, Zhang QW, He W. Rhodium-Catalyzed Intermolecular trans
-Disilylation of Alkynones with Unactivated Disilanes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804223] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Tao He
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Li-Chuan Liu
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Le Guo
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Bin Li
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Qing-Wei Zhang
- Department of Chemistry; University of Science and Technology of China; Hefei 230026 China
| | - Wei He
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
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6
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He T, Liu LC, Guo L, Li B, Zhang QW, He W. Rhodium-Catalyzed Intermolecular trans
-Disilylation of Alkynones with Unactivated Disilanes. Angew Chem Int Ed Engl 2018; 57:10868-10872. [PMID: 29956433 DOI: 10.1002/anie.201804223] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Tao He
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Li-Chuan Liu
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Le Guo
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Bin Li
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
| | - Qing-Wei Zhang
- Department of Chemistry; University of Science and Technology of China; Hefei 230026 China
| | - Wei He
- School of Pharmaceutical Sciences and MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology; Tsinghua University; Beijing 100084 P. R. China
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7
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Baldassari LL, de la Torre A, Li J, Lüdtke DS, Maulide N. Ynamide Preactivation Allows a Regio- and Stereoselective Synthesis of α,β-Disubstituted Enamides. Angew Chem Int Ed Engl 2017; 56:15723-15727. [PMID: 29032598 DOI: 10.1002/anie.201709128] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Indexed: 12/13/2022]
Abstract
A novel ynamide preactivation strategy enables the use of otherwise incompatible reagents and allows preparation of α,β-disubstituted enamides with high regio- and stereoselectivity. Mechanistic analysis reveals the intermediacy of a triflate-bound intermediate as a solution-stable, effective keteniminium reservoir, whilst still allowing subsequent addition of organometallic reagents.
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Affiliation(s)
- Lucas L Baldassari
- Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, 91501-970, Porto Alegre, RS, Brazil
| | - Aurélien de la Torre
- Institute of Organic Chemistry, University of Vienna, Währinger Strassee 38, 1090, Vienna, Austria
| | - Jing Li
- Institute of Organic Chemistry, University of Vienna, Währinger Strassee 38, 1090, Vienna, Austria
| | - Diogo S Lüdtke
- Institute of Chemistry, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, 91501-970, Porto Alegre, RS, Brazil
| | - Nuno Maulide
- Institute of Organic Chemistry, University of Vienna, Währinger Strassee 38, 1090, Vienna, Austria
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8
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Baldassari LL, de la Torre A, Li J, Lüdtke DS, Maulide N. Regio- und stereoselektive Synthese α,β-disubstituierter Enamide durch Voraktivierung von Inamiden. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709128] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Lucas L. Baldassari
- Institute of Chemistry; Universidade Federal do Rio Grande do Sul; Av. Bento Gonçalves 9500 91501-970 Porto Alegre RS Brasilien
| | - Aurélien de la Torre
- Institut für Organische Chemie; Universität Wien; Währinger Straße 38 1090 Wien Österreich
| | - Jing Li
- Institut für Organische Chemie; Universität Wien; Währinger Straße 38 1090 Wien Österreich
| | - Diogo S. Lüdtke
- Institute of Chemistry; Universidade Federal do Rio Grande do Sul; Av. Bento Gonçalves 9500 91501-970 Porto Alegre RS Brasilien
| | - Nuno Maulide
- Institut für Organische Chemie; Universität Wien; Währinger Straße 38 1090 Wien Österreich
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9
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Siva Reddy A, Kumara Swamy KC. Ethanol as a Hydrogenating Agent: Palladium-Catalyzed Stereoselective Hydrogenation of Ynamides To Give Enamides. Angew Chem Int Ed Engl 2017; 56:6984-6988. [DOI: 10.1002/anie.201702277] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Alla Siva Reddy
- School of Chemistry; University of Hyderabad; Hyderabad- 500046 India
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10
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Siva Reddy A, Kumara Swamy KC. Ethanol as a Hydrogenating Agent: Palladium-Catalyzed Stereoselective Hydrogenation of Ynamides To Give Enamides. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702277] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Alla Siva Reddy
- School of Chemistry; University of Hyderabad; Hyderabad- 500046 India
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11
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Ahmad M, Gaumont AC, Durandetti M, Maddaluno J. Direct Syn
Addition of Two Silicon Atoms to a C≡C Triple Bond by Si−Si Bond Activation: Access to Reactive Disilylated Olefins. Angew Chem Int Ed Engl 2017; 56:2464-2468. [DOI: 10.1002/anie.201611719] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 12/21/2016] [Indexed: 01/05/2023]
Affiliation(s)
- Maha Ahmad
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Annie-Claude Gaumont
- Normandie Université; UNICAEN; ENSICAEN, CNRS, LCMT (UMR 6507 & FR 3038); 14000 Caen France
| | - Muriel Durandetti
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Jacques Maddaluno
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
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12
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Ahmad M, Gaumont AC, Durandetti M, Maddaluno J. Direct Syn
Addition of Two Silicon Atoms to a C≡C Triple Bond by Si−Si Bond Activation: Access to Reactive Disilylated Olefins. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611719] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Maha Ahmad
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Annie-Claude Gaumont
- Normandie Université; UNICAEN; ENSICAEN, CNRS, LCMT (UMR 6507 & FR 3038); 14000 Caen France
| | - Muriel Durandetti
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
| | - Jacques Maddaluno
- Normandie Université; UNIROUEN; INSA Rouen, CNRS, COBRA (UMR 6014 & FR 3038); 76000 Rouen France
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Shaya J, Fontaine-Vive F, Michel BY, Burger A. Rational Design of Push-Pull Fluorene Dyes: Synthesis and Structure-Photophysics Relationship. Chemistry 2016; 22:10627-37. [PMID: 27304218 DOI: 10.1002/chem.201600581] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Indexed: 12/22/2022]
Abstract
Our work surveyed experimental and theoretical investigations to construct highly emissive D-π-A (D=donor, A=acceptor) fluorenes. The synthetic routes were optimised to be concise and gram-scalable. The molecular design was first rationalised by varying the electron-withdrawing group from an aldehyde, ketotriazole or succinyl to methylenemalonitrile or benzothiadiazole. The electron-donating group was next varied from aliphatic or aromatic amines to saturated cyclic amines ranging from aziridine to azepane. Spectroscopic studies correlated with TD-DFT calculations provided the optimised structures. The selected push-pull dyes exhibited visible absorptions, significant brightness, important solvatofluorochromism, mega-Stokes shifts (>250 nm) and dramatic shifts in emission to the near-infrared. The current library includes the comprehensive characterization of 16 prospective dyes for fluorescence applications. Among them, several fluorene derivatives bearing different conjugation anchors were tested for coupling and demonstrated to preserve the photophysical responses once further bound.
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Affiliation(s)
- Janah Shaya
- Institut de Chimie de Nice, UMR 7272, Université de Nice Sophia Antipolis, CNRS, Parc Valrose, 06108, Nice Cedex 2, France
| | - Fabien Fontaine-Vive
- Institut de Chimie de Nice, UMR 7272, Université de Nice Sophia Antipolis, CNRS, Parc Valrose, 06108, Nice Cedex 2, France
| | - Benoît Y Michel
- Institut de Chimie de Nice, UMR 7272, Université de Nice Sophia Antipolis, CNRS, Parc Valrose, 06108, Nice Cedex 2, France
| | - Alain Burger
- Institut de Chimie de Nice, UMR 7272, Université de Nice Sophia Antipolis, CNRS, Parc Valrose, 06108, Nice Cedex 2, France.
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