1
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Manna A, Rohilla S, Singh VK. Enantioselective Synthesis of Thiazolopyran Derivatives via a Direct Vinylogous Michael- oxa-Michael Sequence. Org Lett 2024; 26:280-285. [PMID: 38127653 DOI: 10.1021/acs.orglett.3c03971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
An efficient diastereo- and enantioselective direct vinylogous Michael-oxa-Michael sequence between 5-alkenyl thiazolones and isopropylidene oxindoles has been developed. The reaction is catalyzed by a bifunctional squaramide catalyst that allows to access a wide range of densely substituted thiazolopyran derivatives containing a quaternary stereocenter. This protocol is flexible toward different sterically and electronically tuned substrates and is amenable to gram-scale synthesis and several synthetic transformations.
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Affiliation(s)
- Abhijit Manna
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
| | - Shweta Rohilla
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
| | - Vinod K Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
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2
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Huang BW, Han JL. Regioselectivity Switch between Enantioselective 1,2- and 1,4-Addition of Allyl Aryl Ketones with 2,3-Dioxopyrrolidines. J Org Chem 2023; 88:16376-16390. [PMID: 37948045 DOI: 10.1021/acs.joc.3c01885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
A vinylogous addition reaction of allyl aryl ketones with good yields and excellent regioselectivity catalyzed by squaramide catalysts has been developed. A series of chiral tertiary alcohols and bicyclic pyrrolidones could be synthesized in good to excellent yields, enantioselectivities, and diaseteroselectivities. Both experimental results and DFT calculations indicate that 1,2-addition reaction is favorable when the reaction is employed at a lower temperature, while the 1,4-addition/cyclization pathway is favorable when the reaction is employed at a higher temperature. Furthermore, the formation of compound 4 can potentially arise from either the 1,4-addition/cyclization pathway or retro-aldol reaction of compound 3, followed by subsequent 1,4-addition/cyclization.
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Affiliation(s)
- Bo-Wei Huang
- Department of Chemistry, National Chung Hsing University, Taichung City 40227 Taiwan, R.O.C
| | - Jeng-Liang Han
- Department of Chemistry, National Chung Hsing University, Taichung City 40227 Taiwan, R.O.C
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3
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Vinylogous Michael addition of nitroalkylideneoxindoles to isatylidene-malononitriles in the regio- and diastereoselective synthesis of dispirocyclopentylbisoxindoles. J CHEM SCI 2023. [DOI: 10.1007/s12039-022-02122-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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4
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Tsou YJ, Sathishkumar N, Chen IT, Lee TA, Chen HT, Han JL. Hydrogen-Bond-Donor-Directed Switching of Enantioselectivity in the Vinylogous Aldol-Cyclization Cascade Reaction of Prostereogenic 3-Alkylidene Oxindoles with Isatins and o-Quinones. J Org Chem 2022; 87:2520-2531. [PMID: 35084858 DOI: 10.1021/acs.joc.1c02421] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, we reported a hydrogen-bond-donor-directed enantiodivergent vinylogous aldol-cyclization cascade reaction of 3-alkylidene oxindoles with isatins and o-quinones. Both enantiomers can be prepared by thiourea or squaramide cinchona alkaloid bifunctional organocatalysts with the same quinine scaffold. Kinetic study data provided the possible reaction mechanism for the vinylogous aldol-cyclization cascade reaction. The DFT calculation data showed the geometry of the generated dienolates from pronucleophiles dominated the observed switch of enantioselectivity.
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Affiliation(s)
- Yun-Jie Tsou
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Nadaraj Sathishkumar
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan
| | - I-Ting Chen
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan
| | - Ting-An Lee
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan
| | - Hsin-Tsung Chen
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan
| | - Jeng-Liang Han
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan
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5
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Shikari A, Mandal K, Chopra D, Pan SC. Organocatalytic Asymmetric Synthesis of Cyclic Acetals with Spirooxindole Skeleton. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101057] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Amit Shikari
- Department of Chemistry Indian Institute of Technology Guwahati Assam 781039 India
| | - Koushik Mandal
- Department of Chemistry Indian Institute of Science Education and Research Bhopal 462066 India
| | - Deepak Chopra
- Department of Chemistry Indian Institute of Science Education and Research Bhopal 462066 India
| | - Subhas Chandra Pan
- Department of Chemistry Indian Institute of Technology Guwahati Assam 781039 India
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6
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Li H, Yin L. Research Progress of Copper-Catalyzed Direct Vinylogous Reactions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202201033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Xu JX, Jiang YS, Chen CH, Sathishkumar N, Chu KT, Chiang MH, Chen HT, Han JL. Enantioselective Organocatalytic Three-Component Vinylogous Michael/Aldol Tandem Reaction among 3-Alkylidene oxindoles, Methyleneindolinones, and Aldehydes. J Org Chem 2021; 87:197-210. [PMID: 34882415 DOI: 10.1021/acs.joc.1c02180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We reported a one-pot enantioselective three-component vinylogous Michael/aldol tandem reaction of prochiral 3-alkylidene oxindoles with methyleneindolinones and aldehydes using bifunctional organocatalysts. A variety of enantioenriched 3,3-disubstituted oxindoles 3 and spirolactones 4 were generated in moderate yields (up to 78%) with high stereoselectivities (up to >20:1 dr, >99% ee). Intriguingly, we observed that the aldol reaction with paraformaldehyde generates 3,3-disubstituted oxindoles 3 bearing a hydroxymethyl group, while the reaction with aliphatic aldehydes generates spirolactones 4.
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Affiliation(s)
- Jing-Xiang Xu
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan R.O.C
| | - Yi-Syun Jiang
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan R.O.C
| | - Chih-Hao Chen
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan R.O.C
| | - Nadaraj Sathishkumar
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan R.O.C
| | - Kai-Ti Chu
- Institute of Chemistry, Academia Sinica, Taipei City 11529, Taiwan R.O.C
| | - Ming-Hsi Chiang
- Institute of Chemistry, Academia Sinica, Taipei City 11529, Taiwan R.O.C
| | - Hsin-Tsung Chen
- Department of Chemistry, Chung Yuan Christian University, Taoyuan City 32023, Taiwan R.O.C
| | - Jeng-Liang Han
- Department of Chemistry, National Chung Hsing University, Taichung City 40227, Taiwan R.O.C
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8
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Tsou YJ, Guan RY, Han JL. Enantioselective organocatalytic vinylogous aldol-cyclization cascade reaction of 3-alkylidene oxindoles with o-quinones. Org Biomol Chem 2021; 19:5836-5843. [PMID: 34115083 DOI: 10.1039/d1ob00888a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Spirocyclic o-quinone analogues show a broad spectrum of applications as biologically active compounds. We herein report the chiral bifunctional squaramide catalysed asymmetric vinylogous aldol-cyclization cascade reaction between 3-alkylidene oxindoles and o-quinones. A wide range of enantioenriched spirocyclic o-quinone analogues with a quaternary stereocenter could be smoothly synthesized in good to excellent yields (up to 99%) with high enantioselectivities (up to 99%).
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Affiliation(s)
- Yun-Jie Tsou
- Department of Chemistry, National Chung Hsing University, Taichung City, 40227, Taiwan, Republic of China.
| | - Ren-You Guan
- Department of Chemistry, National Chung Hsing University, Taichung City, 40227, Taiwan, Republic of China.
| | - Jeng-Liang Han
- Department of Chemistry, National Chung Hsing University, Taichung City, 40227, Taiwan, Republic of China.
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9
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Wittmann S, Martzel T, Pham Truong CT, Toffano M, Oudeyer S, Guillot R, Bournaud C, Gandon V, Brière J, Vo‐Thanh G. Alkylidene Meldrum's Acids as Platforms for the Vinylogous Synthesis of Dihydropyranones. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Stéphane Wittmann
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Thomas Martzel
- Normandie Univ UNIROUEN INSA Rouen CNRS COBRA 76000 Rouen France
| | - Cong Thanh Pham Truong
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Martial Toffano
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Sylvain Oudeyer
- Normandie Univ UNIROUEN INSA Rouen CNRS COBRA 76000 Rouen France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Chloée Bournaud
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 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
| | | | - Giang Vo‐Thanh
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
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10
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Wittmann S, Martzel T, Pham Truong CT, Toffano M, Oudeyer S, Guillot R, Bournaud C, Gandon V, Brière J, Vo‐Thanh G. Alkylidene Meldrum's Acids as Platforms for the Vinylogous Synthesis of Dihydropyranones. Angew Chem Int Ed Engl 2021; 60:11110-11114. [DOI: 10.1002/anie.202014489] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Indexed: 02/02/2023]
Affiliation(s)
- Stéphane Wittmann
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Thomas Martzel
- Normandie Univ UNIROUEN INSA Rouen CNRS COBRA 76000 Rouen France
| | - Cong Thanh Pham Truong
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Martial Toffano
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Sylvain Oudeyer
- Normandie Univ UNIROUEN INSA Rouen CNRS COBRA 76000 Rouen France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Chloée Bournaud
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 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
| | | | - Giang Vo‐Thanh
- Institut de Chimie Moléculaire et des Matériaux d'Orsay CNRS UMR 8182 Université Paris Saclay 91405 Orsay Cedex France
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11
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Xu JX, Chu KT, Chiang MH, Han JL. Organocatalytic asymmetric allylic alkylation of 2-methyl-3-nitroindoles: a route to direct enantioselective functionalization of indole C(sp 3)-H bonds. Org Biomol Chem 2021; 19:1503-1507. [PMID: 33533776 DOI: 10.1039/d1ob00048a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We here described a direct catalytic asymmetric functionalization of 2-methylindoles using organocatalysis. An efficient asymmetric allylic alkylation reaction with respect to 2-methyl-3-nitroindoles and racemic Morita-Baylis-Hillman carbonate has been achieved by using a chiral biscinchona alkaloid catalyst, which provided the functionalized indole derivatives in good yields and enantioselectivities.
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Affiliation(s)
- Jing-Xiang Xu
- Department of Chemistry, National Chung Hsing University, Taichung City, 40227, Taiwan, Republic of China.
| | - Kai-Ti Chu
- Institute of Chemistry, Academia Sinica, Taipei City, 11529, Taiwan, Republic of China
| | - Ming-Hsi Chiang
- Institute of Chemistry, Academia Sinica, Taipei City, 11529, Taiwan, Republic of China
| | - Jeng-Liang Han
- Department of Chemistry, National Chung Hsing University, Taichung City, 40227, Taiwan, Republic of China.
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12
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Abstract
This review summaries recent synthetic developments towards spirocyclic oxindoles and applications as valuable medicinal and synthetic targets.
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Affiliation(s)
- Alexander J. Boddy
- Department of Chemistry
- Imperial College London
- Molecular Sciences Research Hub
- London W12 0BZ
- UK
| | - James A. Bull
- Department of Chemistry
- Imperial College London
- Molecular Sciences Research Hub
- London W12 0BZ
- UK
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13
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Jaiswal MK, Singh B, De S, Singh N, Singh RP. Stereoselective formal [3 + 3] annulation of 3-alkylidene-2-oxindoles with β,γ-unsaturated α-keto esters. Org Biomol Chem 2020; 18:9852-9862. [PMID: 33295933 DOI: 10.1039/d0ob02046j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
1,4-Diazabicyclo[2.2.2]octane (DABCO)-catalyzed [3 + 3] cycloaddition reaction of 3-alkylidene-2-oxindole and β,γ-unsaturated α-keto esters under mild reaction conditions afforded the spirocyclohexene-oxindole with excellent diastereoselectivity. The [3 + 3] annulation is found to proceed through a vinylogous Michael-aldol cascade reaction and it allows rapid access to a diverse set of highly functionalized spirocyclohexene-oxindoles. Also, a bioactivity study of the compounds on mammalian sarcoma cells has reflected cell growth inhibitory/anti-cancer properties.
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Affiliation(s)
- Manish K Jaiswal
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi - 110 016, India.
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14
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Jaiswal MK, Kumar R, Singh S, Jain S, Vanka K, Singh RP. The Vinylogous Michael Addition of 3‐Alkylidene‐2‐oxindoles to β,γ‐Unsaturated α‐Keto Esters by Bifunctional Cinchona Alkaloids. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000835] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Manish K. Jaiswal
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Rajesh Kumar
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Sanjay Singh
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Shailija Jain
- Physical and Materials Chemistry Division National Chemical Laboratory Dr. Homi Bhabha Road 411008 Pune India
| | - Kumar Vanka
- Physical and Materials Chemistry Division National Chemical Laboratory Dr. Homi Bhabha Road 411008 Pune India
| | - Ravi P. Singh
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
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15
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Curti C, Battistini L, Sartori A, Zanardi F. New Developments of the Principle of Vinylogy as Applied to π-Extended Enolate-Type Donor Systems. Chem Rev 2020; 120:2448-2612. [PMID: 32040305 PMCID: PMC7993750 DOI: 10.1021/acs.chemrev.9b00481] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 12/19/2022]
Abstract
The principle of vinylogy states that the electronic effects of a functional group in a molecule are possibly transmitted to a distal position through interposed conjugated multiple bonds. As an emblematic case, the nucleophilic character of a π-extended enolate-type chain system may be relayed from the legitimate α-site to the vinylogous γ, ε, ..., ω remote carbon sites along the chain, provided that suitable HOMO-raising strategies are adopted to transform the unsaturated pronucleophilic precursors into the reactive polyenolate species. On the other hand, when "unnatural" carbonyl ipso-sites are activated as nucleophiles (umpolung), vinylogation extends the nucleophilic character to "unnatural" β, δ, ... remote sites. Merging the principle of vinylogy with activation modalities and concepts such as iminium ion/enamine organocatalysis, NHC-organocatalysis, cooperative organo/metal catalysis, bifunctional organocatalysis, dicyanoalkylidene activation, and organocascade reactions represents an impressive step forward for all vinylogous transformations. This review article celebrates this evolutionary progress, by collecting, comparing, and critically describing the achievements made over the nine year period 2010-2018, in the generation of vinylogous enolate-type donor substrates and their use in chemical synthesis.
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Affiliation(s)
| | | | | | - Franca Zanardi
- Dipartimento di Scienze degli
Alimenti e del Farmaco, Università
di Parma, Parco Area delle Scienze 27A, 43124 Parma, Italy
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16
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Lei CW, Zhang CB, Wang ZH, Xie KX, Zhao JQ, Zhou MQ, Zhang XM, Xu XY, Yuan WC. Coumarin-3-formylpyrazoles as 3-carbon synthons in cyclocondensation for the synthesis of spiro-fused pentacyclic spirooxindoles. Org Biomol Chem 2020; 18:845-850. [PMID: 31932837 DOI: 10.1039/c9ob02434d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Coumarin-3-formylpyrazoles have been synthesized and applied as 3-carbon synthons in reaction with 3-hydroxyoxindoles by using DABCO as the catalyst. A range of structurally diverse spiro-fused pentacyclic spirooxindoles, bearing a spirooxindole-γ-lactone and a 3,4-dihydrocoumarin substructure, could be smoothly obtained in good to excellent yields (up to 99%) with excellent diastereoselectivities (all cases >20 : 1 dr). The asymmetric version of this tandem reaction was preliminarily investigated by using chiral organocatalysts.
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Affiliation(s)
- Chuan-Wen Lei
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China. and University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chuan-Bao Zhang
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China. and University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, China.
| | - Ke-Xin Xie
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, China.
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.
| | - Xiao-Mei Zhang
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.
| | - Xiao-Ying Xu
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China. and Institute for Advanced Study, Chengdu University, Chengdu, 610106, China.
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17
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Chang C, Sathishkumar N, Liao Y, Chen H, Han J. Solvent‐Dependent Enantiodivergent Friedel‐Crafts Reaction of Arylsulfonyl Indoles with 1‐Naphthols. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Chia‐Hao Chang
- Department of Chemistry and R&D Center for Membrane TechnologyChung Yuan Christian University 200 Chung Pei Road, Chung Li District Taoyuan City 32023 Taiwan
| | - Nadaraj Sathishkumar
- Department of Chemistry and R&D Center for Membrane TechnologyChung Yuan Christian University 200 Chung Pei Road, Chung Li District Taoyuan City 32023 Taiwan
| | - Yu‐Ting Liao
- Department of Chemistry and R&D Center for Membrane TechnologyChung Yuan Christian University 200 Chung Pei Road, Chung Li District Taoyuan City 32023 Taiwan
| | - Hsin‐Tsung Chen
- Department of Chemistry and R&D Center for Membrane TechnologyChung Yuan Christian University 200 Chung Pei Road, Chung Li District Taoyuan City 32023 Taiwan
| | - Jeng‐Liang Han
- Department of ChemistryNational Chung Hsing University 145 Xingda Rd., South Dist. Taichung City 402 Taiwan
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18
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Tanaka F, Pasha M, Sohail M. Intramolecular Oxa-Michael Reactions of Aldols Generated from Enones and Isatins to Afford Spirooxindole Tetrahydropyrans. HETEROCYCLES 2020. [DOI: 10.3987/com-19-s(f)26] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Han JL, Liao YT, Chang CH. Asymmetric Organocatalytic Conjugate Addition of Electron-Rich Phenols and 1,3-Dicarbonyls to Arylsulfonyl Indoles in an Oil-Water Biphasic System. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeng-Liang Han
- Department of Chemistry; National Chung Hsing University; 145 Xingda Rd., South Dist., Taichung City 402 Taiwan R.O.C
| | - Yu-Ting Liao
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
| | - Chia-Hao Chang
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
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20
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Ren JW, Zhao QL, Xiao JA, Xia PJ, Xiang HY, Chen XQ, Yang H. A One-Pot Ring-Opening/Ring-Closure Sequence for the Synthesis of Polycyclic Spirooxindoles. Chemistry 2019; 25:4673-4677. [PMID: 30840339 DOI: 10.1002/chem.201900409] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 02/15/2019] [Indexed: 12/16/2022]
Abstract
One-pot ring-opening/ring-closure process of combining methyleneindolinone with 3-aminooxindole has been developed in this work. Novel polycyclic spirooxindoles were efficiently assembled under mild conditions in high yields (up to 95 %) with moderate to good diastereoselectivities (up to >95:5 d.r.) through simple filtration.
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Affiliation(s)
- Ji-Wei Ren
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
| | - Qing-Lan Zhao
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
| | - Jun-An Xiao
- College of Chemistry and Materials Science, Nanning Normal University, Nanning, 530001, Guangxi, P.R. China
| | - Peng-Ju Xia
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
| | - Hao-Yue Xiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
| | - Xiao-Qing Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
| | - Hua Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, P.R. China
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21
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Ren JW, Zheng L, Ye ZP, Deng ZX, Xie ZZ, Xiao JA, Zhu FW, Xiang HY, Chen XQ, Yang H. Organocatalytic, Enantioselective, Polarity-Matched Ring-Reorganization Domino Sequence Based on the 3-Oxindole Scaffold. Org Lett 2019; 21:2166-2170. [PMID: 30908056 DOI: 10.1021/acs.orglett.9b00477] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A one-pot squaramide-catalyzed enantioselective ring-reorganization domino sequence (Michael addition/intramolecular ring-opening/lactamization) of 3-hydroxyoxindole and methyleneindolinone, which can be readily derived from 3-oxindole, has been established in this work. As a result, novel polycyclic quinolinone-spirooxindoles bearing three contiguous chiral centers were efficiently and step-economically assembled under mild conditions in high yields (up to 97%) with excellent enantioselectivities (up to >99% ee) and moderate to good diastereoselectivities (up to >95:5 dr).
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Affiliation(s)
- Ji-Wei Ren
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Lan Zheng
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Zhi-Peng Ye
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Zhi-Xiong Deng
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Zhen-Zhen Xie
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Jun-An Xiao
- College of Chemistry and Materials Science , Nanning Normal University , Nanning , Guangxi 530001 , P. R. China
| | - Fa-Wei Zhu
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Hao-Yue Xiang
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Xiao-Qing Chen
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Hua Yang
- College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
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22
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Chaudhari P, Hong BC, Wen CL, Lee GH. Asymmetric Synthesis of Spirocyclopentane Oxindoles Containing Four Consecutive Stereocenters and Quaternary α-Nitro Esters via Organocatalytic Enantioselective Michael-Michael Cascade Reactions. ACS OMEGA 2019; 4:655-667. [PMID: 31459355 PMCID: PMC6648780 DOI: 10.1021/acsomega.8b03049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 12/24/2018] [Indexed: 06/10/2023]
Abstract
An enantioselective domino Michael-Michael reaction of nitroolefins and 2-nitro-3-arylacrylates has been established, which provided a series of spirocyclopentane oxindoles with four consecutive stereocenters including quaternary α-nitro esters with good yields (up to 73%) and excellent enantioselectivities (up to 97% ee). The reaction was realized and optimized with the aid of a chiral squaramide-amine catalyst. The structures of 11 products were confirmed by single-crystal X-ray diffraction analysis.
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Affiliation(s)
- Prakash
D. Chaudhari
- Department
of Chemistry and Biochemistry, National
Chung Cheng University, Chia-Yi 621, Taiwan, ROC
| | - Bor-Cherng Hong
- Department
of Chemistry and Biochemistry, National
Chung Cheng University, Chia-Yi 621, Taiwan, ROC
| | - Chao-Lin Wen
- Department
of Chemistry and Biochemistry, National
Chung Cheng University, Chia-Yi 621, Taiwan, ROC
| | - Gene-Hsiang Lee
- Instrumentation
Center, National Taiwan University, Taipei 106, Taiwan, ROC
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23
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Liu XL, Zuo X, Wang JX, Chang SQ, Wei QD, Zhou Y. A bifunctional pyrazolone–chromone synthon directed organocatalytic double Michael cascade reaction: forging five stereocenters in structurally diverse hexahydroxanthones. Org Chem Front 2019. [DOI: 10.1039/c9qo00265k] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The merging of two or more known natural product-based scaffolds is a powerful and routine strategy to develop bioactive small molecules.
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Affiliation(s)
- Xiong-Li Liu
- College of Pharmaceutical Sciences
- Guizhou University of Chinese Medicine
- Guiyang
- P. R. China
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
| | - Xiong Zuo
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Jun-Xin Wang
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Shun-qin Chang
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Qi-Di Wei
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine
- Guizhou University
- Guiyang
- P. R. China
| | - Ying Zhou
- College of Pharmaceutical Sciences
- Guizhou University of Chinese Medicine
- Guiyang
- P. R. China
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24
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Liu M, Zhang X, Huang X, Dhawan G, Evans J, Kaur M, Jasinski JP, Zhang W. Recyclable Organocatalyst for One-Pot Asymmetric Synthesis of Dihydrofuranone and Tetrahydropyranone Spirooxindoles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801480] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Miao Liu
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
| | - Xiaofeng Zhang
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
| | - Xin Huang
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
- College of Chemistry and Life Sciences; Zhejiang Normal University; 321004 Jinhua China
| | - Gagan Dhawan
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
- Department of Biomedical Science; Acharya Narendra Dev College; University of Delhi; -110019 New Delhi India
| | - Jason Evans
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
| | - Manpreet Kaur
- Department of Chemistry; Keene State College; 229 Main Street 03435 Keene NH USA
| | - Jerry P. Jasinski
- Department of Chemistry; Keene State College; 229 Main Street 03435 Keene NH USA
| | - Wei Zhang
- Department of Chemistry; University of Massachusetts Boston; 100 Morrissey Boulevard 02125 Boston MA USA
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25
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26
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Crotti S, Di Iorio N, Mazzanti A, Righi P, Bencivenni G. Enantioselective Synthesis of Trifluoromethyl α,β-Unsaturated δ-Lactones via Vinylogous Aldol-Lactonization Cascade. J Org Chem 2018; 83:12440-12448. [DOI: 10.1021/acs.joc.8b01672] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Simone Crotti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Nicola Di Iorio
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Andrea Mazzanti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Paolo Righi
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Giorgio Bencivenni
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
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27
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Zhang HJ, Yin L. Asymmetric Synthesis of α,β-Unsaturated δ-Lactones through Copper(I)-Catalyzed Direct Vinylogous Aldol Reaction. J Am Chem Soc 2018; 140:12270-12279. [DOI: 10.1021/jacs.8b07929] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hai-Jun Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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28
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Mei GJ, Shi F. Catalytic asymmetric synthesis of spirooxindoles: recent developments. Chem Commun (Camb) 2018; 54:6607-6621. [DOI: 10.1039/c8cc02364f] [Citation(s) in RCA: 286] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The past four years have witnessed significant developments in the field of the catalytic asymmetric synthesis of spirooxindoles, and this feature article outlines the recent progress in this area, including the contributions of our group. This article is divided into sections according to the size and type of the generated spiro-ring fused at the C3-position of the oxindole core.
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Affiliation(s)
- Guang-Jian Mei
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Feng Shi
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
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