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Garay-Talero A, Goulart TAC, Gallo RDC, Pinheiro RDC, Hoyos-Orozco C, Jurberg ID, Gamba-Sánchez D. An aza-Robinson Annulation Strategy for the Synthesis of Fused Bicyclic Amides: Synthesis of (±)-Coniceine and Quinolizidine. Org Lett 2023; 25:7940-7945. [PMID: 37877616 PMCID: PMC10630962 DOI: 10.1021/acs.orglett.3c02798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Indexed: 10/26/2023]
Abstract
An aza-Robinson annulation strategy is described using a NaOEt-catalyzed conjugate addition of cyclic imides onto vinyl ketones, followed by a TfOH-mediated intramolecular aldol condensation to afford densely functionalized fused bicyclic amides. The potential use of these amides in the synthesis of alkaloids is demonstrated by the sequential conversion of appropriate precursors to (±)-coniceine and quinolizidine in two additional steps, thus allowing their preparation in overall 40 and 44% yields, respectively.
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Affiliation(s)
- Alexander Garay-Talero
- Laboratory
of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de los Andes, Cra 1 No. 18A-12 Q:305, 111711 Bogota, Colombia
| | - Tales A. C. Goulart
- Institute
of Chemistry, State University of Campinas, Rua Monteiro Lobato 270, 13083-862 Campinas, SP, Brazil
| | - Rafael D. C. Gallo
- Institute
of Chemistry, State University of Campinas, Rua Monteiro Lobato 270, 13083-862 Campinas, SP, Brazil
| | - Roberto do C. Pinheiro
- Institute
of Chemistry, State University of Campinas, Rua Monteiro Lobato 270, 13083-862 Campinas, SP, Brazil
| | - Catalina Hoyos-Orozco
- Laboratory
of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de los Andes, Cra 1 No. 18A-12 Q:305, 111711 Bogota, Colombia
| | - Igor D. Jurberg
- Institute
of Chemistry, State University of Campinas, Rua Monteiro Lobato 270, 13083-862 Campinas, SP, Brazil
| | - Diego Gamba-Sánchez
- Laboratory
of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de los Andes, Cra 1 No. 18A-12 Q:305, 111711 Bogota, Colombia
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2
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Coelho A, Behr JB, Vasse JL. Access to 5-bromopentanal and 6-bromohexanal derivatives via the bromination/hydrolysis of C,O-bis-zirconocenes generated from unsaturated Weinreb amides. Org Biomol Chem 2022; 20:5803-5811. [PMID: 35833893 DOI: 10.1039/d2ob01073a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Access to 5-bromopentanal and 6-bromohexanal derivatives from Weinreb amides is described. The method relies on the sequential C-bromination/zircona-aminal hydrolysis of bis-C,O-zirconocenes, which are generated in situ from unsaturated Weinreb amides using Schwartz's reagent. Synthetic illustrations of such bromo-aldehydes, which can act as carbocycle and heterocycle precursors, are also presented.
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Affiliation(s)
- Aurélien Coelho
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Jean-Bernard Behr
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Jean-Luc Vasse
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
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3
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Shao BR, Shi L, Zhou YG. Asymmetric hydrogenation of O-/N-functional group substituted arenes. Chem Commun (Camb) 2021; 57:12741-12753. [PMID: 34762082 DOI: 10.1039/d1cc04722a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Asymmetric hydrogenation of aromatic compounds represents one of the most straightforward synthetic methods to construct important chiral cyclic skeletons that are often found in biologically active agents and natural products. So far, the most successful examples in this field are largely limited to aromatics containing alkyl and aryl substituted groups due to the poor functional-group tolerance of hydrogenation. Direct asymmetric hydrogenation of functionalized aromatics provides enormous potential for expanding the structural diversity of reductive products of planar aromatic compounds, which is highly desirable and has not been well studied. This feature article focuses on the progress in catalytic asymmetric hydrogenation and transfer hydrogenation of O/N substituted arenes.
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Affiliation(s)
- Bing-Ru Shao
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, P. R. China.
| | - Lei Shi
- State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, P. R. China.
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China.
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4
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Zheng LS, Wang F, Ye XY, Chen GQ, Zhang X. Asymmetric Hydrogenation of 2-Aryl-3-phthalimidopyridinium Salts: Synthesis of Piperidine Derivatives with Two Contiguous Stereocenters. Org Lett 2020; 22:8882-8887. [PMID: 33147038 DOI: 10.1021/acs.orglett.0c03261] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Asymmetric hydrogenation of 2-aryl-3-phthalimidopyridinium salts catalyzed by the Ir/SegPhos catalytic system was described, leading to the corresponding chiral piperidine derivatives bearing two contiguous chiral centers, with high levels of enantioselectivities and diastereoselectivities. A gram-scale experiment has demonstrated the utility of this approach. The phthaloyl group could be easily removed and then smoothly converted to key intermediate (+)-CP-99994 as one of the neurokinin 1 receptor antagonists.
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Affiliation(s)
- Long-Sheng Zheng
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People's Republic of China
| | - Fangyuan Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People's Republic of China.,School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China
| | - Xiang-Yu Ye
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People's Republic of China
| | - Gen-Qiang Chen
- Shenzhen Grubbs Institute and Department of Chemistry and Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518000, People's Republic of China
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5
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Tsutsumi T, Namba K. Total Synthesis of Epilupinine: Synthetic Strategy of Fused Bicyclic Skeleton Containing Nitrogen. CHEM LETT 2020. [DOI: 10.1246/cl.200340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Tomohiro Tsutsumi
- Graduate School of Pharmaceutical Sciences and Research Cluster on “Innovative Chemical Sensing”, Tokushima University, 1-78-1 Shomachi, Tokushima 770-8505, Japan
| | - Kosuke Namba
- Graduate School of Pharmaceutical Sciences and Research Cluster on “Innovative Chemical Sensing”, Tokushima University, 1-78-1 Shomachi, Tokushima 770-8505, Japan
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6
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Hayashi Y, Odoh AS, Kranidiotis‐Hisatomi N. Asymmetric Michael Reaction of Aldehydes and α‐Cyano α,β‐Unsaturated Esters Catalyzed by Diphenylprolinol Silyl Ether; a Facile Asymmetric Route to 3,4,5‐Trisubstituted Piperidines. ChemCatChem 2020. [DOI: 10.1002/cctc.202000113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yujiro Hayashi
- Department of Chemistry Graduate School of Science Tohoku University 6-3 Aza-Aoba Aramaki Aoba-ku, Sendai 980-8578 Japan
| | - Amaechi Shedrack Odoh
- Department of Chemistry Graduate School of Science Tohoku University 6-3 Aza-Aoba Aramaki Aoba-ku, Sendai 980-8578 Japan
| | - Nektarios Kranidiotis‐Hisatomi
- Department of Chemistry Graduate School of Science Tohoku University 6-3 Aza-Aoba Aramaki Aoba-ku, Sendai 980-8578 Japan
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7
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Rogier J, Anani L, Coelho A, Massicot F, Machado-Rodrigues C, Behr JB, Vasse JL. Homoallylic amines as efficient chiral inducing frameworks in the conjugate addition of amides to α,β-unsaturated esters. An entry to enantio-enriched diversely substituted amines. Org Biomol Chem 2020; 18:2632-2636. [PMID: 31998930 DOI: 10.1039/d0ob00034e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The diastereoselective conjugate addition of secondary homoallylamines, obtained in the enantioenriched form via allylmetallation of imines, to α,β-unsaturated esters is reported. This method allows access to valuable building blocks as well as heterocyclic skeletons, providing tertiary amines bearing two chains integrating a stereogenic center adjacent to the nitrogen atom.
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Affiliation(s)
- Johann Rogier
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Lilia Anani
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Aurélien Coelho
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Fabien Massicot
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Carine Machado-Rodrigues
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Jean-Bernard Behr
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
| | - Jean-Luc Vasse
- Institut de Chimie Moléculaire de Reims, CNRS (UMR 7312) and Université de Reims Champagne Ardenne, 51687 Reims Cedex 2, France.
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8
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Quevedo-Acosta Y, Jurberg ID, Gamba-Sánchez D. Activating Imides with Triflic Acid: A General Intramolecular Aldol Condensation Strategy Toward Indolizidine, Quinolizidine, and Valmerin Alkaloids. Org Lett 2020; 22:239-243. [PMID: 31845813 DOI: 10.1021/acs.orglett.9b04199] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A simple, inexpensive, step economic, and highly modular synthetic strategy to access izidine alkaloids is described. The key step is a TfOH-promoted intramolecular aldol condensation between enol and cyclic imide moieties. This cyclization strategy can be employed within an aza-Robinson annulation framework and represents a general tool to build fused bicyclic amines. To illustrate the power of this method, we describe the preparation of (±)-coniceine, (±)-quinolizidine, (±)-tashiromine, (±)-epilupinine, and the core of (±)-valmerins.
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Affiliation(s)
- Yovanny Quevedo-Acosta
- Institute of Chemistry , State University of Campinas , Rua Monteiro Lobato 270 , 13083-862 Campinas , São Paulo , Brazil
- Laboratory of Organic Synthesis, Bio and Organocatalysis, Chemistry Department , Universidad de los Andes , Cra 1 No. 18A-12 Q:305 , 111711 Bogotá , Colombia
| | - Igor D Jurberg
- Institute of Chemistry , State University of Campinas , Rua Monteiro Lobato 270 , 13083-862 Campinas , São Paulo , Brazil
| | - Diego Gamba-Sánchez
- Laboratory of Organic Synthesis, Bio and Organocatalysis, Chemistry Department , Universidad de los Andes , Cra 1 No. 18A-12 Q:305 , 111711 Bogotá , Colombia
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9
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Tsutsumi T, Karanjit S, Nakayama A, Namba K. A Concise Asymmetric Total Synthesis of (+)-Epilupinine. Org Lett 2019; 21:2620-2624. [PMID: 30963767 DOI: 10.1021/acs.orglett.9b00607] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Asymmetric total synthesis of (+)-epilupinine was achieved in just three steps using only commercially available common reagents. The total synthesis involved alkylations of N-nosylamide, ozone oxidation, and sequential reactions of the removal of the nosyl group, intramolecular dehydrative condensation, intramolecular Mannich reaction catalyzed by l-proline, and a reduction.
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Affiliation(s)
- Tomohiro Tsutsumi
- Graduate School of Pharmaceutical Science and Research Cluster on "Innovative Chemical Sensing" , Tokushima University , 1-78-1 Shomachi , Tokushima 770-8505 , Japan
| | - Sangita Karanjit
- Graduate School of Pharmaceutical Science and Research Cluster on "Innovative Chemical Sensing" , Tokushima University , 1-78-1 Shomachi , Tokushima 770-8505 , Japan
| | - Atsushi Nakayama
- Graduate School of Pharmaceutical Science and Research Cluster on "Innovative Chemical Sensing" , Tokushima University , 1-78-1 Shomachi , Tokushima 770-8505 , Japan
| | - Kosuke Namba
- Graduate School of Pharmaceutical Science and Research Cluster on "Innovative Chemical Sensing" , Tokushima University , 1-78-1 Shomachi , Tokushima 770-8505 , Japan
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10
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Preparation of 2,3-trans-substituted piperidines from optically active β-amino-α-methylene esters: Synthesis of optically active (2S,3R)-(−)-epi-CP-99,994. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.06.054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Divergent syntheses of L-733, 060 and CP-122721 from functionalized pieridinones made by one-pot tandem cyclization. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.02.057] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Nebe M, Opatz T. Synthesis of Piperidines and Dehydropiperidines. ADVANCES IN HETEROCYCLIC CHEMISTRY 2017. [DOI: 10.1016/bs.aihch.2016.10.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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13
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Iimuro A, Higashida K, Kita Y, Mashima K. Asymmetric Hydrogenation of 3-Amido-2-arylpyridinium Salts by Triply Chloride-Bridged Dinuclear Iridium Complexes Bearing Enantiopure Diphosphine Ligands: Synthesis of Neurokinin-1 Receptor Antagonist Derivatives. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600203] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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14
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Dolfen J, Vervisch K, De Kimpe N, D'hooghe M. LiAlH4
-Induced Selective Ring Rearrangement of 2-(2-Cyanoethyl)aziridines toward 2-(Aminomethyl)pyrrolidines and 3-Aminopiperidines as Eligible Heterocyclic Building Blocks. Chemistry 2016; 22:4945-51. [DOI: 10.1002/chem.201504853] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Jeroen Dolfen
- SynBioC Research Group; Department of Sustainable Organic Chemistry and Technology; Faculty of Bioscience Engineering; Ghent University; Coupure Links 653 9000 Ghent Belgium
| | - Karel Vervisch
- SynBioC Research Group; Department of Sustainable Organic Chemistry and Technology; Faculty of Bioscience Engineering; Ghent University; Coupure Links 653 9000 Ghent Belgium
| | - Norbert De Kimpe
- SynBioC Research Group; Department of Sustainable Organic Chemistry and Technology; Faculty of Bioscience Engineering; Ghent University; Coupure Links 653 9000 Ghent Belgium
| | - Matthias D'hooghe
- SynBioC Research Group; Department of Sustainable Organic Chemistry and Technology; Faculty of Bioscience Engineering; Ghent University; Coupure Links 653 9000 Ghent Belgium
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15
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Yamagiwa N, Watanuki S, Nishina T, Suto Y, Iwasaki G. Asymmetric Synthesis of CP-99,994 by Ring-expanding Amination of Monosubstituted Prolinols. CHEM LETT 2016. [DOI: 10.1246/cl.150940] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Sayaka Watanuki
- Faculty of Pharmacy, Takasaki University of Health and Welfare
| | | | - Yutaka Suto
- Faculty of Pharmacy, Takasaki University of Health and Welfare
| | - Genji Iwasaki
- Faculty of Pharmacy, Takasaki University of Health and Welfare
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16
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Semina E, Colpaert F, Van Hecke K, De Kimpe N, Mangelinckx S. Asymmetric Synthesis of δ-Chloro-β-amino-N-sulfinyl Imidates as Versatile Chiral Building Blocks for the Synthesis of 2,3-Disubstituted Piperidines. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500466] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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17
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Abstract
This review of simple indolizidine and quinolizidine alkaloids (i.e., those in which the parent bicyclic systems are in general not embedded in polycyclic arrays) is an update of the previous coverage in Volume 55 of this series (2001). The present survey covers the literature from mid-1999 to the end of 2013; and in addition to aspects of the isolation, characterization, and biological activity of the alkaloids, much emphasis is placed on their total synthesis. A brief introduction to the topic is followed by an overview of relevant alkaloids from fungal and microbial sources, among them slaframine, cyclizidine, Steptomyces metabolites, and the pantocins. The important iminosugar alkaloids lentiginosine, steviamine, swainsonine, castanospermine, and related hydroxyindolizidines are dealt with in the subsequent section. The fourth and fifth sections cover metabolites from terrestrial plants. Pertinent plant alkaloids bearing alkyl, functionalized alkyl or alkenyl substituents include dendroprimine, anibamine, simple alkaloids belonging to the genera Prosopis, Elaeocarpus, Lycopodium, and Poranthera, and bicyclic alkaloids of the lupin family. Plant alkaloids bearing aryl or heteroaryl substituents include ipalbidine and analogs, secophenanthroindolizidine and secophenanthroquinolizidine alkaloids (among them septicine, julandine, and analogs), ficuseptine, lasubines, and other simple quinolizidines of the Lythraceae, the simple furyl-substituted Nuphar alkaloids, and a mixed quinolizidine-quinazoline alkaloid. The penultimate section of the review deals with the sizable group of simple indolizidine and quinolizidine alkaloids isolated from, or detected in, ants, mites, and terrestrial amphibians, and includes an overview of the "dietary hypothesis" for the origin of the amphibian metabolites. The final section surveys relevant alkaloids from marine sources, and includes clathryimines and analogs, stellettamides, the clavepictines and pictamine, and bis(quinolizidine) alkaloids.
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18
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Suryavanshi PA, Sridharan V, Maiti S, Menéndez JC. Fully diastereoselective synthesis of polysubstituted, functionalized piperidines and decahydroquinolines based on multicomponent reactions catalyzed by cerium(IV) ammonium nitrate. Chemistry 2014; 20:8791-9. [PMID: 24909665 DOI: 10.1002/chem.201402607] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Indexed: 11/05/2022]
Abstract
The cerium(IV) ammonium nitrate (CAN)-catalyzed, three-component reaction between primary amines, β-dicarbonyl compounds, and α,β-unsaturated aldehydes in ethanol heated to reflux, constitutes a general, one-pot synthesis of 1,4-dihydropyridines. Their reduction with sodium triacetoxyborohydride furnished piperidine derivatives bearing up to five substituents with full diastereoselectivity in a hitherto inaccessible stereochemical arrangement. The reaction proceeded with no significant loss of enantiomeric purity under mild reduction conditions that are compatible with several functional groups that are normally sensitive to reduction. Octahydroquinolin-5-one derivatives, which were prepared by a modified version of the initial multicomponent reaction, were not suitable substrates for the sodium triacetoxyborohydride mediated reduction, but they were transformed into the corresponding decahydroquinolines, including a precursor of the amphibian alkaloid pumiliotoxin C, by catalytic hydrogenation under a variety of conditions.
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Affiliation(s)
- Padmakar A Suryavanshi
- Departmento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, Plaza de Ramón y Cajal sn, 28040 Madrid (Spain), Fax: (+34) 91-3941822
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19
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Thorat RG, Pansare SV. A General Approach to 1-Hydroxymethylquinolizidine and 8-Hydroxymethylindolizidine Stereoisomers: Synthesis of (+)-Epitashiromine and Formal Syntheses of (+)-Epilupinine and (+)-Tashiromine. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301078] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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20
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Electroreductive intramolecular coupling of aliphatic cyclic imides with α,β-unsaturated esters and ketones: unusual methyl-alkoxy exchange in silyl ketene acetals. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.04.047] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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A hydrozirconation/iodination-mediated access to tetrahydroquinolizinium salts. Application to the synthesis of Lupinine and (−)-Epiquinamide. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.073] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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22
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Kumar I, Ramaraju P, Mir NA, Singh D, Gupta VK, Rajnikant. Highly enantioselective [4+2] annulation via organocatalytic Mannich-reductive cyclization: one-pot synthesis of functionalized piperidines. Chem Commun (Camb) 2013; 49:5645-7. [DOI: 10.1039/c3cc42431f] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Katsumura S, Kobayashi T, Sakaguchi T. One-Pot Asymmetric 6π-Azaelectrocyclization as a New Strategy for Alkaloid Synthesis. HETEROCYCLES 2013. [DOI: 10.3987/rev-12-761] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Sultane PR, Bhat RG. Stereoselective Approach to cis-2,3-Disubstituted Piperidines via Reduction of N-Acyliminium Ion Intermediate: Enantioselective Synthesis of (+)-(2S,3S)-CP-99,994. J Org Chem 2012. [DOI: 10.1021/jo302181k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Prakash R. Sultane
- Mendeleev Block, Department
of Chemistry, Indian Institute of Science Education and Research (IISER), Pune, Maharashtra, 411008, India
| | - Ramakrishna G. Bhat
- Mendeleev Block, Department
of Chemistry, Indian Institute of Science Education and Research (IISER), Pune, Maharashtra, 411008, India
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25
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The conjugate addition of enantiomerically pure lithium amides as chiral ammonia equivalents part II: 2005−2011. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.08.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Lemonnier G, Charette AB. Grob Fragmentation of 2-Azabicyclo[2.2.2]oct-7-ene: Tool for the Stereoselective Synthesis of Polysubstituted Piperidines. J Org Chem 2012; 77:5832-7. [DOI: 10.1021/jo300690h] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gérald Lemonnier
- Centre in Green Chemistry
and Catalysis, Department
of Chemistry, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal QC H3C 3J7, Canada
| | - André B. Charette
- Centre in Green Chemistry
and Catalysis, Department
of Chemistry, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal QC H3C 3J7, Canada
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Kobayashi T, Hasegawa F, Hirose Y, Tanaka K, Mori H, Katsumura S. Stereocontrolled Synthesis of Substituted Chiral Piperidines viaOne-Pot Asymmetric 6π-Azaelectrocyclization: Asymmetric Syntheses of(−)-Dendroprimine, (+)-7-Epidendroprimine, (+)-5-Epidendroprimine, and (+)-5,7-Epidendroprimine. J Org Chem 2012; 77:1812-32. [DOI: 10.1021/jo202350z] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Toyoharu Kobayashi
- School of Science and Technology, Kwansei Gakuin University, Gakuen 2-1, Sanda, Hyogo 669-1337, Japan.
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28
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Pansare SV, Paul EK. Synthesis of (+)-L-733,060, (+)-CP-99,994 and (2S,3R)-3-hydroxypipecolic acid: application of an organocatalytic direct vinylogous aldol reaction. Org Biomol Chem 2012; 10:2119-25. [PMID: 22294285 DOI: 10.1039/c2ob06644k] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The γ-butenolide obtained from an organocatalyzed, direct vinylogous aldol reaction of γ-crotonolactone and benzaldehyde serves as the key starting material in the expedient synthesis of a 3-hydroxy-2-phenyl piperidine intermediate which is converted to the target 2,3-disubstituted piperidines.
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Affiliation(s)
- Sunil V Pansare
- Department of Chemistry, Memorial University, St. John's, Newfoundland, Canada, A1B 3X7.
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29
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Juaristi E, Vargas-Caporali J, Cruz-Hernández C. Synthesis of Versatile Bifunctional Derivatives of Chiral Diamines Obtained through Anchimerically Assisted Nucleophilic Substitution Reactions on Diastereomeric Phenylprolinols. HETEROCYCLES 2012. [DOI: 10.3987/com-12-s(n)82] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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31
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Cutter AC, Miller IR, Keily JF, Bellingham RK, Light ME, Brown RCD. Total Syntheses of (−) Epilupinine and (−)-Tashiromine Using Imino-Aldol Reactions. Org Lett 2011; 13:3988-91. [DOI: 10.1021/ol2015048] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Amanda C. Cutter
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
| | - Iain R. Miller
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
| | - John F. Keily
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
| | - Richard K. Bellingham
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
| | - Mark E. Light
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
| | - Richard C. D. Brown
- The School of Chemistry, The University of Southampton, Highfield, Southampton SO17 1BJ, U.K., Prosidion Ltd., Transport Way, Cowley, Oxford OX4 6LT, U.K., and Chemical Development, GlaxoSmithKline Pharmaceuticals, The Old Powder Mills, Leigh, Tonbridge, Kent TN11 9AN, U.K
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32
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Su D, Wang X, Shao C, Xu J, Zhu R, Hu Y. Total Synthesis of (+)-Epilupinine via An Intramolecular Nitrile Oxide-Alkene Cycloaddition. J Org Chem 2010; 76:188-94. [DOI: 10.1021/jo101910r] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Deyong Su
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Xinyan Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Changwei Shao
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Jimin Xu
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Rui Zhu
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Yuefei Hu
- Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
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33
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Lemonnier G, Charette AB. Stereoselective Synthesis of 2,3,6-Trisubstituted Tetrahydropyridines via Tf2O-Mediated Grob Fragmentation: Access to Indolizidines (−)-209I and (−)-223J. J Org Chem 2010; 75:7465-7. [DOI: 10.1021/jo1015344] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Gérald Lemonnier
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada H3C 3J7
| | - André B. Charette
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada H3C 3J7
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34
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Delaye PO, Pradhan TK, Lambert É, Vasse JL, Szymoniak J. Diastereoselective Access to Enantiomerically Pure cis-2,3-Disubstituted Pyrrolidines. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000255] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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35
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Shen Y, Cui S, Wang J, Chen X, Lu P, Wang Y. Copper-Catalyzed Three-Component Synthesis of 2-Iminodihydrocoumarins and 2-Iminocoumarins. Adv Synth Catal 2010. [DOI: 10.1002/adsc.200900890] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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36
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Delaye PO, Vasse JL, Szymoniak J. Asymmetric synthesis of proline-based conformationally constrained tryptophan mimetic. Org Biomol Chem 2010; 8:3635-7. [DOI: 10.1039/c0ob00118j] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Davis FA, Zhang Y. Asymmetric synthesis of (2S,3R)-(-)-epi-CP-99,994 using sulfinimine-derived anti-2,3-diamino esters. Tetrahedron Lett 2009; 50:5205-5207. [PMID: 20161386 DOI: 10.1016/j.tetlet.2009.06.125] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A differentially protected C-3 N-sulfinyl, C-2 N,N-(diphenylmethylene) 2,3-diamino ester was employed in the synthesis of the amino piperidine (2S,3R)-(-)-epi-CP-99,994. Key steps in the synthesis included the chemoselective hydrolysis of the C-2 N,N-(diphenylmethylene) group and its reprotection as a dibenzylamino group.
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Affiliation(s)
- Franklin A Davis
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
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38
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Fu R, Zhao B, Shi Y. Synthesis of (+)-CP-99,994 via Pd(0)-catalyzed asymmetric allylic and homoallylic C-H Diamination of terminal olefin. J Org Chem 2009; 74:7577-80. [PMID: 19778085 PMCID: PMC2752905 DOI: 10.1021/jo9015584] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This paper describes an asymmetric synthesis of the potent substance P receptor antagonist (+)-CP-99,994 from 4-phenyl-1-butene via Pd(0)-catalyzed asymmetric allylic and homoallylic C-H diamination.
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Affiliation(s)
- Renzhong Fu
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Baoguo Zhao
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
| | - Yian Shi
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523
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39
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Davies SG, Garner AC, Nicholson RL, Osborne J, Roberts PM, Savory ED, Smith AD, Thomson JE. Doubly diastereoselective [3,3]-sigmatropic aza-Claisen rearrangements. Org Biomol Chem 2009; 7:2604-11. [PMID: 19503936 DOI: 10.1039/b902753j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The doubly diastereoselective [3,3]-sigmatropic aza-Claisen rearrangement of silylketene aminals derived from 5-substituted (3S,4E,alphaR)-1-benzyloxy-3-[N-acyl-N-(alpha-methylbenzyl)amino]pent-4-enes furnishes 2,3-disubstituted (R)-N-alpha-methylbenzyl (2S,3R,4E)-7-benzyloxyhept-4-enamides in >90% de under the "matched" control of both stereogenic centres. Rearrangement of the "mismatched" diastereomeric (3R,4E,alphaR)-substrates proceeds with low diastereoselectivity. The substrate scope of the doubly diastereoselective rearrangement of the "matched" substrates in which two new stereogenic centres are created has been delineated.
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Affiliation(s)
- Stephen G Davies
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford, OX1 3TA, UK.
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40
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Amorde SM, Jewett IT, Martin SF. Iminium Ion Cascade Reactions: Stereoselective Synthesis of Quinolizidines and Indolizidines. Tetrahedron 2009; 65:3222-3231. [PMID: 20890382 PMCID: PMC2947323 DOI: 10.1016/j.tet.2008.10.074] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A novel iminium ion cascade reaction has been developed that allows for the stereoselective synthesis of a variety of substituted aza-fused bicycles. The combination of amino allylsilanes and aldehydes (or ketones) was used to synthesize a number of quinolizidines and indolizidines in an one-pot reaction sequence. This technology has been used to effect the facile syntheses of several indolizidine and quinolizidine natural products including, (±)-epilupinine, (±)-tashiromine, and (-)-epimyrtine. Substrate scope has been examined varying the type of amino allylsilanes (primary, secondary and conjugated) and carbonyl compounds (aldehydes and ketones) to give a variety of fused ring structures. Varying the components chosen allows for the inclusion of synthetically useful functional groups at different positions on the core structure. The methodology has been used to construct the tricyclic core structures present in the cylindricine family and halichlorine.
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Affiliation(s)
- Shawn M. Amorde
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300 Austin, TX 78712-0165
| | - Ivan T. Jewett
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300 Austin, TX 78712-0165
| | - Stephen F. Martin
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300 Austin, TX 78712-0165
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41
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Stephens BE, Liu F. A regio- and diastereoselective intramolecular nitrone cycloaddition for practical 3- and 2,3-disubstituted piperidine synthesis from gamma-butyrolactone. J Org Chem 2009; 74:254-63. [PMID: 19053606 DOI: 10.1021/jo8018285] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A fast and efficient route for diversity-oriented synthesis of 3- and 2,3-disubstituted piperidines, featuring an intramolecular nitrone cycloaddition with high regio- and diastereoselectivity, was achieved in six steps and 36-66% overall yield from commercially available gamma-butyrolactone or 1,4-butanediol. A new N-alkenyl nitrone enoate was used in this intramolecular nitrone cycloaddition, and the regioselectivity, diastereoselectivity, and reversibility of this cycloaddition were investigated.
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Affiliation(s)
- Benjamin E Stephens
- Department of Chemistry & Biomolecular Sciences, Macquarie University, Sydney, NSW 2109, Australia
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42
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Pelletier G, Larivée A, Charette AB. Highly Regioselective Intermolecular Arylation of 1,2,3,4-Tetrahydropyridines. Org Lett 2008; 10:4791-4. [DOI: 10.1021/ol8018709] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Guillaume Pelletier
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada H3C 3J7
| | - Alexandre Larivée
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada H3C 3J7
| | - André B. Charette
- Département de Chimie, Université de Montréal, P.O. Box 6128, Station Downtown, Montréal, Québec, Canada H3C 3J7
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