1
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Laha B, Suresh A, Namboothiri INN. Regio- and stereoselective synthesis of functionalized tetrahydro-benzochromenes and hexahydrochromenochromenones via [4 + 2] annulation of curcumins with nitrochromenes. Org Biomol Chem 2023; 21:1872-1877. [PMID: 36779639 DOI: 10.1039/d2ob02211g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
A base-mediated regio- and stereoselective synthesis of functionalized tetrahydro-6H-benzo[c]chromenes and hexahydro-1H,6H-chromeno[6,5-c]chromenone is disclosed here. It involves a [4 + 2] annulation via cascade double and triple Michael reactions between curcumins and nitrochromenes in the presence of Cs2CO3 and DBU, respectively, at room temperature, and it offers a diverse array of products as single regio- and diastereomers in excellent yields under mild conditions. Preliminary studies towards developing an enantioselective version under organocatalytic conditions met with only limited success but revealed a potentially interesting kinetic resolution pathway.
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Affiliation(s)
- Banamali Laha
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
| | - Alati Suresh
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
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2
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Yu Q, Zhang J, Wu F, Liu X, Wang C, Zhang J, Rong L. Propargyl Chalcones' Radical Annulation/Sulfonation Reaction: Efficient Synthesis of Benzo[ b]oxepin-5(2 H)-one and Chromane Derivatives. J Org Chem 2022; 87:7136-7149. [PMID: 35607936 DOI: 10.1021/acs.joc.2c00361] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A novel and facile methodology for the synthesis of sulfonated benzo[b]oxepinone and chromane derivatives was reported by the reaction of propargyl chalcones with arylsulfonyl chloride via radical cascade annulation/sulfonation under laboratory conditions. Readily available propargyl chalcones, commercialized arylsulfonyl chloride, and simple reaction conditions make this six(seven)-membered oxygen-containing heterocycles' synthetic strategy more attractive and with significant application values.
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Affiliation(s)
- Qiuyu Yu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Jinghang Zhang
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Fan Wu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Xiaoqin Liu
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
| | - Chang Wang
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China.,School of Pharmaceutical Sciences, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250117, Shandong, PR China
| | - Jinpeng Zhang
- Key Lab of Environment and Health, School of Public Health, Xuzhou Medical University, Xuzhou 221004, Jiangsu, PR China
| | - Liangce Rong
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, PR China
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3
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Das S. 3-Nitrochromenes in the synthesis of fused- and spiro scaffolds: Recent progress. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2026397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Suven Das
- Department of Chemistry, Rishi Bankim Chandra College for Women, Naihati, India
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4
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Zimnitskiy NS, Barkov A, Kochnev IA, Kutyashev I, Korotaev VY, Sosnovskikh V. Highly diastereoselective annulation of 2-substituted 3-nitro-2H-chromenes with hemicurcuminoids and curcuminoids via a double and triple Michael reaction cascade. NEW J CHEM 2022. [DOI: 10.1039/d2nj02019j] [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
The K2CO3-catalysed double Michael addition of (E)-1,5-diaryl- and 1-alkyl-5-arylpent-4-ene-1,3-diones to 2-trifluoromethyl- and 2-phenyl-substituted 3-nitro-2H-chromenes in dichloromethane at room temperature for 48 h results in 10-aroyl(acyl)-7-aryl-6a-nitro-6,6a,7,8,10,10a-hexahydro-9H-benzo[c]chromen-9-ones in 75-98% yields as individual...
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5
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Ballini R, Palmieri A, Petrini M. Catalysts’ evolution in the asymmetric conjugate addition of nitroalkanes to electron-poor alkenes. Org Chem Front 2022. [DOI: 10.1039/d2qo01341j] [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
This review provides a journey of the catalyst usage for the enantioselective conjugate addition of nitroalkanes to electron-poor olefins from the early attempts to the latest achievements. Selected applications are also reported.
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Affiliation(s)
- Roberto Ballini
- School of Science and Technology, Chemistry Division, University of Camerino, CHIP, Via Madonna delle Carceri, 62032 Camerino, MC, Italy
| | - Alessandro Palmieri
- School of Science and Technology, Chemistry Division, University of Camerino, CHIP, Via Madonna delle Carceri, 62032 Camerino, MC, Italy
| | - Marino Petrini
- School of Science and Technology, Chemistry Division, University of Camerino, CHIP, Via Madonna delle Carceri, 62032 Camerino, MC, Italy
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6
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Gudise VB, Settipalli PC, Reddy YP, Anwar S. Organocascade Synthesis of Spiro[chroman‐3,2′‐indanedione] Scaffolds via [4+2] or [1+1+4] Cyclisation. ChemistrySelect 2021. [DOI: 10.1002/slct.202103885] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Veera Babu Gudise
- Division of Chemistry Department of Sciences and Humanities Vignan's Foundation for Science Technology and Research Vadlamudi, Guntur 522 213 Andhra Pradesh India
| | - Poorna Chandrasekhar Settipalli
- Division of Chemistry Department of Sciences and Humanities Vignan's Foundation for Science Technology and Research Vadlamudi, Guntur 522 213 Andhra Pradesh India
| | - Yeruva Pavankumar Reddy
- Division of Chemistry Department of Sciences and Humanities Vignan's Foundation for Science Technology and Research Vadlamudi, Guntur 522 213 Andhra Pradesh India
| | - Shaik Anwar
- Division of Chemistry Department of Sciences and Humanities Vignan's Foundation for Science Technology and Research Vadlamudi, Guntur 522 213 Andhra Pradesh India
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7
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Enantiodivergent synthesis of tricyclic chromans: Remote nucleophilic groups switch selectivity in catalytic asymmetric cascade reactions of trifunctional substrates. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.04.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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8
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Diastereoselective [3 + 3] cycloaddition reaction of 2-arylideneindan-1,3-diones with β-naphthols: Efficient assemble of immunosuppressive pentacyclic chromanes. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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9
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Nunes PSG, Vidal HDA, Corrêa AG. Recent advances in catalytic enantioselective multicomponent reactions. Org Biomol Chem 2020; 18:7751-7773. [PMID: 32966520 DOI: 10.1039/d0ob01631d] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multicomponent reactions (MCRs) undoubtedly correspond to one of the synthetic strategies that best fit the new demands of chemistry for presenting high atom economy and enabling molecular diversity. However, many challenges still exist when products possessing stereogenic centres are formed. The field of asymmetric catalytic reactions has achieved significant progress in recent decades; new applications for chiral ligands and catalysts have been demonstrated and new catalysts have been specifically designed for challenging chemical conversions. In this sense, highly efficient approaches for classic multicomponent reactions such as the Ugi reaction and a number of new asymmetric MCRs have been described. In this review we discuss the recent developments that enable catalytic enantioselective MCRs including the proposed mechanistic pathways.
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Affiliation(s)
- Paulo Sérgio Gonçalves Nunes
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry, Federal University of São Carlos, São Carlos, SP 13565-905, Brazil.
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10
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Recent Advances in Organocatalyzed Asymmetric Synthesis of Benzopyran and Benzodihydropyran (Chromane) Nuclei. Symmetry (Basel) 2019. [DOI: 10.3390/sym11121510] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Benzopyran and benzodihydropyran (chromane) nuclei are the core structure of many natural products, in particular flavonoids. Many compounds possessing this structure are nutraceuticals, pharmaceutical nutrients. Therefore, benzopyran and chromane scaffolds are important building blocks in organic synthesis and many efforts have been made to set up efficient methods for their synthesis. In particular, asymmetric methods are of great importance, being natural products, and generally chiral substances. This review aims to cover literature in the range 2017–first half of 2019.
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11
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Jakkampudi S, Parella R, Arman HD, Zhao JCG. Diastereodivergent Synthesis of Hexahydro-6H-benzo[c]chromen-6-one Derivatives Catalyzed by Modularly Designed Organocatalysts. Chemistry 2019; 25:7515-7520. [PMID: 30895663 PMCID: PMC6548622 DOI: 10.1002/chem.201806447] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Indexed: 11/09/2022]
Abstract
The diastereodivergent synthesis of hexahydro-6H-benzo[c]chromen-6-one derivatives with good to high diastereoselectivities (up to 98:2 d.r.) and enantioselectivities (up to >99 % ee) has been achieved by using a domino Michael/Michael/hemiacetalization reaction between trans-2-hydroxy-β-nitrostyrenes and trans-7-oxo-5-heptenals followed by oxidation. With use of appropriate modularly designed organocatalysts (MDOs) that are self-assembled in situ from amino acid derivatives and cinchona alkaloid derivatives, two different diastereomers of the desired hexahydro-6H-benzo[c]chromen-6-ones are obtained from the same substrates.
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Affiliation(s)
- Satish Jakkampudi
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249-0698, USA
| | - Ramarao Parella
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249-0698, USA
| | - Hadi D Arman
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249-0698, USA
| | - John C-G Zhao
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas, 78249-0698, USA
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12
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Bakthadoss M, Jayakumar S, Raman S, Devaraj A, Sharada DS. A novel multicomponent quadruple/double quadruple domino reaction: highly efficient synthesis of polyheterocyclic architectures. Org Biomol Chem 2019; 17:3884-3893. [PMID: 30574986 DOI: 10.1039/c8ob02970a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel multicomponent quadruple domino reaction (MCQDR) for the assembly of structurally complex molecular architectures via the formation of three rings and three contiguous stereogenic centers has been accomplished with high regio- and diastereoselectivity. Solvents, catalysts and work-up were not required to obtain the target molecules. In addition, this new protocol is also extended for the multicomponent double quadruple domino reaction (MCDQDR) to create novel polyheterocyclic architectures in an orthogonal manner.
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Affiliation(s)
- Manickam Bakthadoss
- Department of Chemistry, Pondicherry University, Puducherry - 605 014, India.
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13
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Zheng J, He M, Xie B, Yang L, Hu Z, Zhou HB, Dong C. Enantioselective synthesis of novel pyrano[3,2-c]chromene derivatives as AChE inhibitors via an organocatalytic domino reaction. Org Biomol Chem 2019; 16:472-479. [PMID: 29265146 DOI: 10.1039/c7ob02794j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of optically active pyrano[3,2-c]chromenes have been synthesized through an asymmetric domino reaction of 4-hydroxy-2H-chromen-2-ones with malononitriles. The targeted molecules were obtained in excellent yields and enantioselectivities (up to 94% yield, 99% ee). The AChE inhibitory activity studies revealed that compounds 4n (IC50 = 21.3 μM) and 4p (IC50 = 19.2 μM) displayed potent acetylcholinesterase inhibition. In most cases, the S-enantiomers were superior to the corresponding R-enantiomers. Moreover, molecular modelling provides a practical method for understanding the enantioselective discrimination of AChE with these kinds of compounds.
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Affiliation(s)
- Jie Zheng
- State Key Laboratory of Virology, Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China.
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14
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Korotaev VY, Kutyashev IB, Barkov AY, Sosnovskikh VY. Recent advances in the chemistry of 3-nitro-2H- and 3-nitro-4H-chromenes. RUSSIAN CHEMICAL REVIEWS 2019. [DOI: 10.1070/rcr4840] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Bhattacharya A, mani Shukla P, Kumar Kaushik L, Maji B. Synthesis of chromans and kinetic resolution of 2-aryl-3-nitro-2H-chromenes via the NHC-bound azolium homoenolate pathway. Org Chem Front 2019. [DOI: 10.1039/c9qo00868c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Herein, an effective kinetic resolution (KR) of racemate 2-aryl-3-nitro-2H-chromenes to afford synthetically valuable chromans and 2H-chromenes through an NHC-bound acyl azolium homoenolate pathway has been demonstrated.
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Affiliation(s)
- Aditya Bhattacharya
- Department of Chemistry
- Indira Gandhi National Tribal University
- Amarkantak-484886
- India
| | | | - Lalit Kumar Kaushik
- Department of Chemistry
- Indira Gandhi National Tribal University
- Amarkantak-484886
- India
| | - Biswajit Maji
- Department of Chemistry
- Indira Gandhi National Tribal University
- Amarkantak-484886
- India
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16
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Chennapuram M, Owolabi IA, Seki C, Okuyama Y, Kwon E, Uwai K, Tokiwa M, Takeshita M, Nakano H. New Hybrid-type Squaramide-Fused Amino Alcohol Organocatalyst for Enantioselective Domino Michael Addition/Cyclization Reaction of Oxoindolines with Cyclic 1,3-Diketones. ACS OMEGA 2018; 3:11718-11726. [PMID: 31459268 PMCID: PMC6645594 DOI: 10.1021/acsomega.8b01271] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 09/03/2018] [Indexed: 05/04/2023]
Abstract
The new hybrid-type squaramide-fused amino alcohol containing both a Brønsted basic site and hydrogen-bonding sites in the molecule showed a high catalytic activity as an organocatalyst in the enantioselective domino Michael addition/cyclization reaction of oxoindolines with cyclic 1,3-diketones to afford the chiral spiro-conjugated oxindoles featuring 2-aminopyrans fusing with carbo-heterocyclic ring systems with excellent chemical yields (up to 98%) and enantioselectivities (up to 95% ee). The obtained chiral spiro-conjugated 2-aminopyrans bearing quaternary stereogenic carbon center could be used as synthetic precursors for several natural products that have a broad spectrum of fascinating biological activities.
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Affiliation(s)
- Madhu Chennapuram
- Division
of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan
| | - Isiaka Alade Owolabi
- Division
of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan
| | - Chigusa Seki
- Division
of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan
| | - Yuko Okuyama
- Tohoku
Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Eunsang Kwon
- Research
and Analytical Centre for Giant Molecules, Graduate School of Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Koji Uwai
- Division
of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan
| | - Michio Tokiwa
- Tokiwakai
Group, 62 Numajiri, Tsuduri-chou Uchigo, Iwaki 973-8053, Japan
| | | | - Hiroto Nakano
- Division
of Sustainable and Environmental Engineering, Graduate School of Engineering, Muroran Institute of Technology, 27-1 Mizumoto-cho, Muroran 050-8585, Japan
- E-mail: . http://www3.muroran-it.ac.jp/hnakano/
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17
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Asymmetric synthesis and biological evaluation of 3-nitro-2H-chromenes as potential antibacterial agents. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.07.046] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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18
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Xiao W, Zhou Z, Yang QQ, Du W, Chen YC. Organocatalytic Asymmetric Four-Component [5+1+1+1] Cycloadditions via a Quintuple Cascade Process. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800636] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wei Xiao
- Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu 610041 People's Republic of China
| | - Zhi Zhou
- Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu 610041 People's Republic of China
| | - Qian-Qian Yang
- Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu 610041 People's Republic of China
| | - Wei Du
- Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu 610041 People's Republic of China
| | - Ying-Chun Chen
- Department of Medicinal Chemistry; West China School of Pharmacy; Sichuan University; Chengdu 610041 People's Republic of China
- College of Pharmacy; Third Military Medical University; Chongqing 400038 People's Republic of China
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19
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Navaratne PV, Grenning AJ. Tetrahydrobenzochromene Synthesis Enabled by a Deconjugative Alkylation/Tsuji-Saegusa-Ito Oxidation on Knoevenagel Adducts. Org Lett 2018; 20:4566-4570. [PMID: 30009612 DOI: 10.1021/acs.orglett.8b01857] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A modular and practical route to versatile cyano-1,3-dienes by a sequence involving deconjugative alkylation and "Tsuji-Saegusa-Ito oxidation" is reported. In this letter, the versatility of the products is also explored, including a route to benzochromene scaffolds common to many natural products.
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Affiliation(s)
- Primali V Navaratne
- Department of Chemistry , University of Florida , P.O. Box 117200, Gainesville , Florida 32611-7200 , United States
| | - Alexander J Grenning
- Department of Chemistry , University of Florida , P.O. Box 117200, Gainesville , Florida 32611-7200 , United States
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20
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Shukla RK, Pal K, Volla CMR. PdII
-Catalyzed Cascade Synthesis of Chromane Derivatives Initiated by cis
-Chloropalladation or trans
-Acetoxypalladation. Chem Asian J 2018; 13:2435-2439. [DOI: 10.1002/asia.201800649] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/22/2018] [Indexed: 12/23/2022]
Affiliation(s)
- Rahul K. Shukla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Kuntal Pal
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
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21
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Wang W, Bai X, Jin S, Guo J, Zhao Y, Miao H, Zhu Y, Wang Q, Bu Z. An Unexpected FeCl3-Catalyzed Cascade Reaction of Indoles and o-Hydroxychalcones for the Assembly of Chromane-Bridged Polycyclic Indoles. Org Lett 2018; 20:3451-3454. [DOI: 10.1021/acs.orglett.8b01107] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Wenbo Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Xuguan Bai
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Shaojing Jin
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Jiaomei Guo
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Yang Zhao
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Hongjie Miao
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Yanshuo Zhu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Qilin Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Zhanwei Bu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
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22
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Pawar TJ, Jiang H, Vázquez MA, Villegas Gómez C, Cruz Cruz D. Aminocatalytic Privileged Diversity-Oriented Synthesis (ApDOS): An Efficient Strategy to Populate Relevant Chemical Spaces. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800273] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tushar J. Pawar
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Hao Jiang
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Miguel A. Vázquez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Clarisa Villegas Gómez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - David Cruz Cruz
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
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23
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Guo J, Bai X, Wang Q, Bu Z. Diastereoselective Construction of Indole-Bridged Chroman Spirooxindoles through a TfOH-Catalyzed Michael Addition-Inspired Cascade Reaction. J Org Chem 2018. [DOI: 10.1021/acs.joc.8b00035] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Jiaomei Guo
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Xuguan Bai
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Qilin Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
| | - Zhanwei Bu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
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24
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Kumar M, Chauhan P, Bailey SJ, Jafari E, von Essen C, Rissanen K, Enders D. Organocatalytic Oxa-Michael/Michael/Michael/Aldol Condensation Quadruple Domino Sequence: Asymmetric Synthesis of Tricyclic Chromanes. Org Lett 2018; 20:1232-1235. [DOI: 10.1021/acs.orglett.8b00175] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Mukesh Kumar
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Pankaj Chauhan
- Department of Chemistry, Indian Institute of Tecnology Jammu, Jagti, NH-44, Nagrota, Jammu (J & K) 181221, India
| | - Stephen J. Bailey
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Ehsan Jafari
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Carolina von Essen
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, 40014 Jyväskylä, Finland
| | - Kari Rissanen
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, 40014 Jyväskylä, Finland
| | - Dieter Enders
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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25
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Guo JM, Wang WB, Guo J, Zhu YS, Bai XG, Jin SJ, Wang QL, Bu ZW. Diastereoselective construction of 4-indole substituted chromans bearing a ketal motif through a three-component Friedel–Crafts alkylation/ketalization sequence. RSC Adv 2018; 8:15641-15651. [PMID: 35539466 PMCID: PMC9080074 DOI: 10.1039/c8ra02481b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 04/13/2018] [Indexed: 01/09/2023] Open
Abstract
The first TfOH-catalyzed three-component Friedel–Crafts alkylation/ketalization sequence of indoles, alcohols and ortho-hydroxychalcones was developed to afford a wide range of 4-indole substituted chromans bearing a ketal motif in 77–99% yields. Notably, only a simple filtration was needed to purify them. By altering methanol to CHCl3, 2,4-bisindole substituted chroman with the same indole substituent at the C2 and C4 positions was afforded. Moreover, 2,4-bisindole substituted chromans with different indole substituents could be obtained by treatment of 4-indole monosubstituted chromans with another indole molecule. The first TfOH-catalyzed three-component Friedel–Crafts alkylation/ketalization sequence of indoles, alcohols and ortho-hydroxychalcones was developed to afford a wide range of 4-indole substituted chromans bearing a ketal motif in 77–99% yields.![]()
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Affiliation(s)
- Jiao-Mei Guo
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Wen-Bo Wang
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Jia Guo
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Yan-Shuo Zhu
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Xu-Guan Bai
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Shao-Jing Jin
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Qi-Lin Wang
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
| | - Zhan-Wei Bu
- Institute of Functional Organic Molecular Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng 475004
- China
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26
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Wu S, Zhu G, Wei S, Chen H, Qu J, Wang B. Organocatalytic [3 + 2] cycloaddition of oxindole-based azomethine ylides with 3-nitrochromenes: a facile approach to enantioenriched polycyclic spirooxindole-chromane adducts. Org Biomol Chem 2018; 16:807-815. [DOI: 10.1039/c7ob03051g] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An organocatalytic asymmetric [3 + 2] cycloaddition of oxindole-based azomethine ylides with 3-nitro-2H-chromenes is reported, delivering densely functionalized polycyclic spirooxindole-chromane adducts.
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Affiliation(s)
- Shiqi Wu
- School of Petroleum and Chemical Engineering
- Dalian University of Technology
- Panjin 124221
- P. R. China
| | - Guodong Zhu
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Shiqiang Wei
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Hongbo Chen
- School of Petroleum and Chemical Engineering
- Dalian University of Technology
- Panjin 124221
- P. R. China
| | - Jingping Qu
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals
- School of Pharmaceutical Science and Technology
- Dalian University of Technology
- Dalian 116024
- P. R. China
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27
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Maity R, Pan SC. Organocatalytic asymmetric Michael/hemiacetalization/acyl transfer reaction of α-nitroketones with o-hydroxycinnamaldehydes: synthesis of 2,4-disubstituted chromans. Org Biomol Chem 2018; 16:1598-1608. [DOI: 10.1039/c8ob00078f] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An organocatalytic asymmetric synthesis of 2,4-disubstituted chroman compounds has been developed via a Michael/hemiketalization/acyl transfer reaction between o-hydroxycinnamaldehydes and α-nitroketones.
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Affiliation(s)
- Rajendra Maity
- Department of Chemistry
- Indian Institute of Technology Guwahati
- India
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28
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Evans CS, Davis LO. Recent Advances in Organocatalyzed Domino C-C Bond-Forming Reactions. Molecules 2017; 23:E33. [PMID: 29295474 PMCID: PMC5943935 DOI: 10.3390/molecules23010033] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 12/19/2017] [Accepted: 12/22/2017] [Indexed: 01/16/2023] Open
Abstract
Reactions that form a C-C bond make up a foundational pillar of synthetic organic chemistry. In addition, organocatalysis has emerged as an easy, environmentally-friendly way to promote this type of bond formation. Since around 2000, organocatalysts have been used in a variety of C-C bond-forming reactions including Michael and aldol additions, Mannich-type reactions, and Diels-Alder reactions, to name a few. Many of these methodologies have been refined and further developed to include cascade and domino processes. This review will focus on recent advances in this area with an emphasis on methodologies having applications in the synthesis of biologically-significant compounds.
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Affiliation(s)
- Cleo S Evans
- Department of Chemistry and Biochemistry, Berry College, P.O. Box 495016, Mt. Berry, GA 30149, USA.
| | - Lindsey O Davis
- Department of Chemistry and Biochemistry, Berry College, P.O. Box 495016, Mt. Berry, GA 30149, USA.
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29
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Tian JM, Yuan YH, Xie YY, Zhang SY, Ma WQ, Zhang FM, Wang SH, Zhang XM, Tu YQ. Catalytic Asymmetric Cascade Using Spiro-Pyrrolidine Organocatalyst: Efficient Construction of Hydrophenanthridine Derivatives. Org Lett 2017; 19:6618-6621. [PMID: 29181982 DOI: 10.1021/acs.orglett.7b03330] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A newly developed SPD (spiro-pyrrolidine) organocatalyst has been demonstrated to enable an asymmetric aza-Michael/Michael/aldol cyclization cascade, in which two six-membered rings (B/C) and three stereocenters have been constructed in a catalytic one-step process. It is so far the most efficient method for construction of hydrophenanthridine derivatives featuring high enantioselectivity. The trans- or cis-fused B/C-rings can be selectively assembled in a substrate-controlled manner. Moreover, this cascade could magnify to gram scale without loss of enanioselectivity.
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Affiliation(s)
- Jin-Miao Tian
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Yong-Hai Yuan
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
| | - Yu-Yang Xie
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Shu-Yu Zhang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Wen-Qiang Ma
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
| | - Fu-Min Zhang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
| | - Shao-Hua Wang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
| | - Xiao-Ming Zhang
- State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
| | - Yong-Qiang Tu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, China.,State Key Laboratory of Applied Organic Chemistry, School of Chemistry and Chemical Engineering, Lanzhou University , Lanzhou 730000, China
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30
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Chauhan P, Mahajan S, Enders D. Achieving Molecular Complexity via Stereoselective Multiple Domino Reactions Promoted by a Secondary Amine Organocatalyst. Acc Chem Res 2017; 50:2809-2821. [PMID: 29125741 DOI: 10.1021/acs.accounts.7b00406] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In the last two decades, organocatalysis has emerged as an intensively investigated and rapidly growing area of research facilitating many known and many new transformations to provide efficient novel entries to complex molecules of high stereochemical purity. The organocatalysts have not only shown their efficiency for catalyzing the reactions in which one bond is formed, but they have also been effectively exploited in various versions of one-pot reactions. Domino reactions are one of the most important classes of one-pot reactions, where the target structure can be obtained in one pot without changing any reaction conditions while each reaction occurs as a consequence of the intermediates generated in previous steps. Owing to the synthetic importance and operational advantages associated with the use of organocatalysts and the development of domino reactions, various asymmetric transformations leading to a complex structure of choice have been explored. The early era of organocatalysis exhibits a limited growth in the development of asymmetric domino reactions with special emphasis on two reactions occurring one after the other. In 2006, our group made a step forward to develop more complex domino reactions catalyzed by a secondary amine organocatalyst, wherein three reactions take place in one pot to provide cyclohexene carbaldehydes bearing four stereogenic centers with excellent stereocontrol. This triggered our interest to develop new organocatalytic domino sequences, especially for multiple domino reactions. After our seminal contribution, domino reactions catalyzed by secondary amine organocatalysts not only became more popular, but they also could be catalyzed by other classes of organocatalysts, such as bifunctional hydrogen bonding catalysts, chiral Brønsted acids, and N-heterocyclic carbenes. The mode of activation in this triple domino reaction relied on the sequential generation of enamine and iminium intermediates using a proline-based chiral secondary amine organocatalyst. By employing this strategy, we have developed several triple domino reactions leading to the formation of carbo- and heterocyclic structures bearing multiple stereogenic centers with excellent levels of stereoselectivities. The applications of the secondary amine organocatalysts have been further extended to more complex quadruple domino sequences. Moreover, these multiple domino sequences have been combined successfully with other transformations in one pot to create densely functionalized polycyclic compounds. This Account gives an overview of our research in the area of organocatalytic asymmetric multiple domino reactions with special emphasis on the secondary amine catalyzed triple and quadruple domino reactions via a sequential generation of enamine and iminium intermediates. The multiple cascade reactions assisted by di- and tri-iminium and -enamine species as well as other types of organocatalysts have been excluded from the scope of this Account.
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Affiliation(s)
- Pankaj Chauhan
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Suruchi Mahajan
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
| | - Dieter Enders
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany
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31
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Hsieh YY, Raja A, Hong BC, Kotame P, Chang WC, Lee GH. Organocatalytic Enantioselective Michael–Acetalization–Henry Reaction Cascade of 2-Hydroxynitrostyrene and 5-Oxohexanal for the Entry to the Hexahydro-6H-benzo[c]chromenones with Four Consecutive Stereogenic Centers and an Approach to Aflatoxin Analogues. J Org Chem 2017; 82:12840-12848. [DOI: 10.1021/acs.joc.7b02178] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yu-You Hsieh
- Department
of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C
| | - Arun Raja
- Department
of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C
| | - Bor-Cherng Hong
- Department
of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C
| | - Prakash Kotame
- Department
of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C
| | - Wan-Chen Chang
- Department
of Chemistry and Biochemistry, National Chung Cheng University, Chia-Yi 621, Taiwan, R.O.C
| | - Gene-Hsiang Lee
- Instrumentation
Center, National Taiwan University, Taipei 106, Taiwan, R.O.C
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32
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Highly stereoselective [3+2]-cycloaddition reaction of stabilised N , N ′-cyclic azomethine imines with 3-nitro-2-phenyl-2 H -chromenes: Synthesis of tetrahydrochromeno[4,3- c ]pyrazolo[1,2- a ]pyrazol-11-ones. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.09.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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