1
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Liang YE, Chang MY, Ho H, Chiou CT, Barve BD, Li WT. Palladium-Catalyzed Cascade Endo- dig Cycloisomerization and Olefination with Alkenes to Access Fused Oxatricyclic Compounds. Org Lett 2023; 25:8194-8198. [PMID: 37962852 DOI: 10.1021/acs.orglett.3c02896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
A novel cascade Pd(II)-catalyzed endo-dig cycloisomerization and olefination reaction of 2-benzyl-3-alkynyl chromones with activated/unactivated alkenes has been developed for the synthesis of fused oxatricyclic compounds. This concise one-pot synthetic approach was applied to the difunctionalization of unbiased alkynes based on 2-benzyl-3-(alkynyl)-4H-chromen-4-one via O-attack endo-dig cycloisomerization, followed by olefination with both activated and unactivated alkenes.
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Affiliation(s)
- Yi-En Liang
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
| | - Ming-Yiang Chang
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
| | - Hsi Ho
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
| | - Chun-Tang Chiou
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
| | - Balaji D Barve
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
| | - Wen-Tai Li
- National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei 112304, Taiwan, R.O.C
- Department of Chemistry, Tamkang University, New Taipei City 251301, Taiwan, R.O.C
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2
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Xiao JA, Cheng XL, Peng H, Liang JS, Luo XY, Su W. Diastereoselectivity-Switchable Gold-Catalyzed Formal [3+2]-Cycloadditions of N-2,2,2-Trifluoroethylisatin Ketimines with Yne-Enones. Chem Asian J 2021; 16:2435-2438. [PMID: 34337866 DOI: 10.1002/asia.202100591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/09/2021] [Indexed: 11/10/2022]
Abstract
The unexpected gold-catalyzed formal [3+2]-cycloaddition of N-2,2,2-trifluoroethylisatin ketimines with 2-(1-Alkynyl)-2-alken-1-ones is reported. Both diastereomers of the corresponding cycloadducts were formed in moderate to excellent yields with excellent diastereoselectivities by switching the catalytic system from mono-gold to gold/silver bimetallic catalytic system. The practicality of this protocol is demonstrated by scale-up reaction and the transformations of the cycloadduct.
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Affiliation(s)
- Jun-An Xiao
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
| | - Xiu-Liang Cheng
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
| | - Hai Peng
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
| | - Jin-Shao Liang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
| | - Xiao-Yan Luo
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
| | - Wei Su
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, 530001, Nanning, Guangxi, P. R. China
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3
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Qian D, Zhang J. Yne-Enones Enable Diversity-Oriented Catalytic Cascade Reactions: A Rapid Assembly of Complexity. Acc Chem Res 2020; 53:2358-2371. [PMID: 32998506 DOI: 10.1021/acs.accounts.0c00466] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A small-molecule collection with structural diversity and complexity is a prerequisite to using either drug candidates or chemical probes for drug discovery and chemical-biology investigations, respectively. Over the past 12 years, we have engaged in developing efficient diversity-oriented cascade strategies for the synthesis of topologically diverse skeletons incorporating biologically relevant structural motifs such as O- and N-heterocycles, fused polycycles, and multifunctionalized allenes. In particular, we have highlighted the use of simple, linear, and densely functionalized molecular platforms in these reactions.This account details our efforts in the design of novel molecular platforms for use in metal- and organo-catalyzed cascade reactions, which include 2-(1-alknyl)-2-alken-1-ones (yne-enones) for heterocyclization/cross-coupling cascades, heterocyclization/cycloaddition cascades, nucleophilic addition/cross-coupling cascades, nucleophilic addition/heterocyclization cascades, and so on. Moreover, this Account outlines corresponding mechanistic insights, computational information, and applications of these cascades in the construction of various highly substituted carbo- and heterocycles as well as highly functionalized acyclic compounds, e.g., allenes and dienes. In addition to yne-enones, we evolved the functional groups of our original yne-enones to provide a series of yne-enone variants, which resulted in products with complementary reactivities.The reactivity profile of the yne-enones is defined by the presence of an alkyne moiety and a conjugated enone unit and their mutual through-bond connectivity. Owing to the conceptually rapid development of carbophilic activation, we have identified a series of efficient catalytic systems consisting of metal catalysts, including Pd, Au, and Rh complexes, for diversity-oriented cascade catalysis, allowing various unprecedented reactions to be achieved through different-types of reaction intermediates, including all-carbon metal 1,n-dipoles, furan-based o-quinodimethanes (oQDMs), and allenyl-metal species. In addition to commonly known transition-metal catalytic activity, the Lewis acidity of these complexes is crucial to accomplish the corresponding transformation. In addition, highly enantioselective gold(I)-catalyzed heterocyclization/cycloaddition cascades of yne-enones and their variants were achieved by the application of bisphosphines (e.g., Cn-TunePhos), monophosphines, and our developed "Ming-Phos" as chiral ligands. Importantly, Ming-Phos ligands exhibited excellent performance in gold-catalyzed mechanistically distinct [3 + n]-cycloaddition reactions, in which the chiral sulfinamide moiety is possibly responsible for the interaction with the substrate to control enantioselectivity. Subsequently, we demonstrated that the easily prepared polymer-supported Ming-Phos ligand could be applied for heterogeneously gold(I)-catalyzed asymmetric cycloaddition with good stereocontrol. With metal-free catalysis, the divergent functionalization of yne-enones provides numerous synthetic outlets for structure diversification. For example, yne-enones are particularly attractive for use as precursors of various chiral and achiral heterocycles, such as pyrazoles, isoxazoles, pyrroles, and pyrans, etc.
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Affiliation(s)
- Deyun Qian
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, China
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4
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Pankova AS. Electrophile-Induced Reactions of Cross-Conjugated Enynones in the Synthesis of Heterocycles. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02739-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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5
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Affiliation(s)
- Jasper Biemolt
- Department of Chemistry & Pharmaceutical Sciences and Amsterdam; Institute for Molecules; Medicines & Systems; Vrije Universiteit Amsterdam; De Boelelaan 1108 1081HZ Amsterdam The Netherlands
| | - Eelco Ruijter
- Department of Chemistry & Pharmaceutical Sciences and Amsterdam; Institute for Molecules; Medicines & Systems; Vrije Universiteit Amsterdam; De Boelelaan 1108 1081HZ Amsterdam The Netherlands
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Zhu Y, Wang Z, Zhang J, Yu J, Yan L, Li Y, Chen L, Yan X. An Organocatalytic Synthesis of Chiral Pyrano[2,3-d
]pyrimidines through [3+3] Annulation of 1,3-Dimethyl-barbituric Acid with 2-(1-Alkynyl)-2-alken-1-ones. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701581] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Yali Zhu
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
| | - Zhonghe Wang
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
| | - Jing Zhang
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
| | - Jia Yu
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
| | - Lijuan Yan
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
| | - Yang Li
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
- Tianjin Engineering Research Center of Functional Fine Chemicals; 300350 Tianjin P. R. China
| | - Ligong Chen
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
- Tianjin Engineering Research Center of Functional Fine Chemicals; 300350 Tianjin P. R. China
| | - Xilong Yan
- School of Chemical Engineering and Technology; Tianjin University; Tianjin P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin P. R. China
- Tianjin Engineering Research Center of Functional Fine Chemicals; 300350 Tianjin P. R. China
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7
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Pathipati SR, Eriksson L, Selander N. Stereoselective synthesis of bicyclo[3.n.1]alkenone frameworks by Lewis acid-catalysis. Chem Commun (Camb) 2017; 53:11353-11356. [DOI: 10.1039/c7cc06400d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
An indium-catalysed α,α′-annulation of cyclic ketones and alkynyl enones, leading to bicyclo[3.n.1]alkenones, is presented.
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Affiliation(s)
- Stalin R. Pathipati
- Department of Organic Chemistry
- Stockholm University
- Arrhenius Laboratory
- Stockholm
- Sweden
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry
- Stockholm University
- Arrhenius Laboratory
- Stockholm
- Sweden
| | - Nicklas Selander
- Department of Organic Chemistry
- Stockholm University
- Arrhenius Laboratory
- Stockholm
- Sweden
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8
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Liu S, Yang P, Peng S, Zhu C, Cao S, Li J, Sun J. Gold-catalyzed sequential annulations towards 3,4-fused bi/tri-cyclic furans involving a [3+2+2]-cycloaddition. Chem Commun (Camb) 2017; 53:1152-1155. [DOI: 10.1039/c6cc09154g] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A gold-catalyzed [3+2+2]-cycloaddition towards polysubstituted furan compounds has been realized.
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Affiliation(s)
- Suna Liu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Pu Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
- School of Enviromental Science & Engineering
| | - Shiyong Peng
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Chenghao Zhu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Shengyu Cao
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Jian Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, and School of Pharmaceutical Engineering & Life Science
- Changzhou University
- Changzhou 213164
- P. R. China
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Pathipati SR, van der Werf A, Eriksson L, Selander N. Diastereoselective Synthesis of Cyclopenta[c]furans by a Catalytic Multicomponent Reaction. Angew Chem Int Ed Engl 2016; 55:11863-6. [PMID: 27538999 PMCID: PMC5113805 DOI: 10.1002/anie.201606108] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Indexed: 11/10/2022]
Abstract
A diastereoselective three-component reaction between alkynyl enones, aldehydes and secondary amines is reported. With the aid of a benign indium catalyst, a range of highly substituted cyclopenta[c]furan derivatives can be obtained in a single-step procedure. The formation of the stereodefined heterocyclic motifs takes place via in situ generation of enamines followed by two sequential cyclization steps.
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Affiliation(s)
- Stalin R Pathipati
- Department of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
| | - Angela van der Werf
- Department of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden
| | - Nicklas Selander
- Department of Organic Chemistry, Stockholm University, Arrhenius Laboratory, 10691, Stockholm, Sweden.
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10
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Pathipati SR, van der Werf A, Eriksson L, Selander N. Diastereoselective Synthesis of Cyclopenta[c]furans by a Catalytic Multicomponent Reaction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606108] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Stalin R. Pathipati
- Department of Organic Chemistry; Stockholm University; Arrhenius Laboratory; 10691 Stockholm Sweden
| | - Angela van der Werf
- Department of Organic Chemistry; Stockholm University; Arrhenius Laboratory; 10691 Stockholm Sweden
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry; Stockholm University; Arrhenius Laboratory; 10691 Stockholm Sweden
| | - Nicklas Selander
- Department of Organic Chemistry; Stockholm University; Arrhenius Laboratory; 10691 Stockholm Sweden
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11
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Wang L, Liu X, Wang M, Liu J. Copper(I)-Catalyzed Heterocyclization of α-Acyl-α-alkynyl Ketene Dithioacetals: Synthesis of 3-Cyanofurans. Org Lett 2016; 18:2162-5. [DOI: 10.1021/acs.orglett.6b00785] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lianjie Wang
- Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Xiaocui Liu
- Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Mang Wang
- Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Jun Liu
- Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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12
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Madich Y, Álvarez R, Aurrecoechea JM. Palladium-Catalyzed 6-endo-Selective Oxycyclization-Alkene Addition Cascades ofortho-Alkynylarylcarboxamides and α,β-Unsaturated Carbonyl Compounds. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500797] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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13
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Li W, Zhang J. Phosphine-Mediated Regio- and Stereoselective Hydrocarboxylation of Enynes. Org Lett 2013; 16:162-5. [DOI: 10.1021/ol4031556] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wenbo Li
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P.R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of
Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P.R. China
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