1
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Zhu RR, Hou XQ, Du DM. Synthesis of Benzofuran Derivatives via a DMAP-Mediated Tandem Cyclization Reaction Involving ortho-Hydroxy α-Aminosulfones. Molecules 2024; 29:3725. [PMID: 39202804 PMCID: PMC11357171 DOI: 10.3390/molecules29163725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/02/2024] [Accepted: 08/04/2024] [Indexed: 09/03/2024] Open
Abstract
An efficient cascade cyclization strategy was developed to synthesize aminobenzofuran spiroindanone and spirobarbituric acid derivatives utilizing 2-bromo-1,3-indandione, 5-bromo-1,3-dimethylbarbituric acid, and ortho-hydroxy α-aminosulfones as substrates. Under the optimized reaction conditions, the corresponding products were obtained with high efficiency, exceeding 95% and 85% yields for the respective derivatives. This protocol demonstrates exceptional substrate versatility and robust scalability up to the Gram scale, establishing a stable platform for the synthesis of 3-aminobenzofuran derivative. The successful synthesis paves the way for further biological evaluations with potential implications in scientific research.
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Affiliation(s)
- Rong-Rong Zhu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing 100081, China; (R.-R.Z.)
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Technology, Ministry of Industry and Information Technology, No. 5 Zhongguancun South Street, Beijing 100081, China
| | - Xi-Qiang Hou
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing 100081, China; (R.-R.Z.)
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Technology, Ministry of Industry and Information Technology, No. 5 Zhongguancun South Street, Beijing 100081, China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing 100081, China; (R.-R.Z.)
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Technology, Ministry of Industry and Information Technology, No. 5 Zhongguancun South Street, Beijing 100081, China
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2
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Yu TT, Huang PT, Chen BH, Zhong YJ, Han B, Peng C, Zhan G, Huang W, Zhao Q. Construction of 3,4-Dihydroquinolone Derivatives through Pd-Catalyzed [4+2] Cycloaddition of Vinyl Benzoxazinanones with α-Alkylidene Succinimides. J Org Chem 2024; 89:3279-3291. [PMID: 38377542 DOI: 10.1021/acs.joc.3c02728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
The construction of 3,4-dihydroquinolone derivatives has attracted a considerable amount of attention due to their extensive applications in medicinal chemistry. In this study, we present the Pd-catalyzed [4+2] cycloaddition of vinyl benzoxazinanones with α-alkylidene succinimides for the efficient synthesis of 3,4-dihydroquinolones. This approach presents numerous advantages, including the ready availability of starting materials, mild reaction conditions without the use of additional bases, and a wide range of substrates. In particular, all of the desired products can be easily afforded in high yields (≤99%) and excellent diastereoselectivities (>20:1). The practicality and reliability of this strategy were demonstrated by the successful scale-up synthesis and subsequent straightforward synthetic transformations.
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Affiliation(s)
- Ting-Ting Yu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Peng-Ting Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ben-Hong Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ya-Jun Zhong
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Gu Zhan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qian Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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3
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Tsuyusaki R, Nakashima K, Matsushima Y, Hirashima SI, Miura T. Vicinal All-Carbon Quaternary Stereocenter Construction with Trifluoromethyl Groups via Organocatalytic Asymmetric Cascade Michael/Michael Reaction. Chem Asian J 2024; 19:e202300931. [PMID: 37968242 DOI: 10.1002/asia.202300931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/17/2023]
Abstract
A thiourea organocatalyst efficiently promoted the asymmetric cascade Michael/Michael reactions between isatin-derived trifluoromethylacrylate and α-alkylidene succinimide, resulting in high yields of spirooxindole derivatives. These compounds exhibit vicinal all-carbon quaternary stereocenters and bear a trifluoromethyl group, with excellent enantioselectivities reaching up to 99 % ee. This work represents the first successful organocatalyst application for the direct construction of vicinal all-carbon quaternary stereocenters, featuring a trifluoromethyl group.
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Affiliation(s)
- Ryo Tsuyusaki
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Kosuke Nakashima
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Yasuyuki Matsushima
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Shin-Ichi Hirashima
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
| | - Tsuyoshi Miura
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo, 192-0392, Japan
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4
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Dahiya P, Yadav A, Peddinti RK. Spirocyclization and Michael addition of 3-benzylidene succinimides: route to spirocyclopentapyrrolidine-tetraones and benzylidene N-arylpyrrolidine-diones. Org Biomol Chem 2023; 21:9192-9199. [PMID: 37955962 DOI: 10.1039/d3ob01629c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Reactions of 3-benzylidene succinimides with 2-substituted 2-hydroxy-indane-1,3-diones and unsaturated pyrazolones are carried out under basic conditions to afford spirocyclized derivatives and Michael adducts, respectively, with high regio- and stereo-selectivities. The most notable aspect of the reaction is the ability of highly reactive benzylidene succinimide to act as both an electrophile and a nucleophile causing spirocyclization. The reaction proceeded under mild and metal-free conditions and products were isolated in good to high yields. The current strategy utilizes simple and easily accessible precursors, and provides functionally rich products of medicinal interest with two to four contiguous stereogenic centres and complete regioselectivity with excellent diastereoselectivity.
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Affiliation(s)
- Pooja Dahiya
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Anoop Yadav
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Rama Krishna Peddinti
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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5
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Liu C, Sun J, Li P. Chiral Phosphine Catalyzed Allylic Alkylation of Benzylidene Succinimides with Morita-Baylis-Hillman Carbonates. Molecules 2023; 28:molecules28062825. [PMID: 36985797 PMCID: PMC10053092 DOI: 10.3390/molecules28062825] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Owing to their unique chemical properties, α-alkylidene succinimides generally act as versatile synthons in organic synthesis. Compared with well-established annulations, nucleophilic alkylations of α-alkylidene succinimides are very limited. Accordingly, an organocatalytic allylic alkylation of α-benzylidene succinimides with Morita-Baylis-Hillman (MBH) carbonates was established. In the presence of a chiral phosphine catalyst, α-benzylidene succinimides reacted smoothly with MBH carbonates under mild conditions to furnish a series of optical active succinimides in high yields and enantioselectivities. Different from the reported results, the organocatalytic enantioselective construction of pyrrolidine-2,5-dione frameworks bearing contiguous chiral tertiary carbon centers was achieved via this synthetic strategy. Scaling up the reaction indicated that it is a practical strategy for the organocatalytic enantioselective alkylation of α-alkylidene succinimides. A possible reaction mechanism was also proposed.
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Affiliation(s)
- Chang Liu
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, College of Science, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
- Southern University of Science and Technology Guangming Advanced Research Institute, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jianwei Sun
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Pengfei Li
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, College of Science, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
- Southern University of Science and Technology Guangming Advanced Research Institute, Southern University of Science and Technology, Shenzhen 518055, China
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6
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Shao G, Niu C, Liu HW, Yang H, Chen JS, Yao YR, Yang S, Wang GW. [60]Fullerene-Fused Cyclopentanes: Mechanosynthesis and Photovoltaic Application. Org Lett 2023; 25:1229-1234. [PMID: 36787186 DOI: 10.1021/acs.orglett.3c00332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The mechanochemical cascade reaction of [60]fullerene with 3-benzylidene succinimides, diethyl 2-benzylidene succinate, or 2-benzylidene succinonitrile in the presence of an inorganic base has been investigated under solvent-free and ball-milling conditions. This protocol provides an expedient method to afford various [60]fullerene-fused cyclopentanes, showing advantages of good substrate scope, short reaction time, and solvent-free and ambient reaction conditions. Furthermore, representative fullerene products have been applied in inverted planar perovskite solar cells as efficient cathode interlayers.
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Affiliation(s)
- Gang Shao
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Chuang Niu
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Hong-Wei Liu
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Huan Yang
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Jun-Shen Chen
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Yang-Rong Yao
- Hefei National Research Center for Physical Sciences at the Microscale, Chinese Academy of Sciences Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Shangfeng Yang
- Hefei National Research Center for Physical Sciences at the Microscale, Chinese Academy of Sciences Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Guan-Wu Wang
- Hefei National Research Center for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.,State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
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7
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Vopálenská A, Dočekal V, Petrželová S, Císařová I, Veselý J. Access to Spirooxindole-Fused Cyclopentanes via a Stereoselective Organocascade Reaction Using Bifunctional Catalysis. J Org Chem 2023. [PMID: 36705518 DOI: 10.1021/acs.joc.2c02478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The present study reports an asymmetric organocascade reaction of oxindole-derived alkenes with 3-bromo-1-nitropropane efficiently catalyzed by the bifunctional catalyst. Spirooxindole-fused cyclopentanes were produced in moderate-to-good isolated yields (15-69%) with excellent stereochemical outcomes. The synthetic utility of the protocol was exemplified on a set of additional transformations of the corresponding spirooxindole compounds.
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Affiliation(s)
- Andrea Vopálenská
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43Prague 2, Czech Republic
| | - Vojtěch Dočekal
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43Prague 2, Czech Republic
| | - Simona Petrželová
- Department of Teaching and Didactics of Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43Prague 2, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43Prague 2, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43Prague 2, Czech Republic
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8
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Altowyan MS, Soliman SM, Haukka M, Al-Shaalan NH, Alkharboush AA, Barakat A. Synthesis, Characterization, and Cytotoxicity of New Spirooxindoles Engrafted Furan Structural Motif as a Potential Anticancer Agent. ACS OMEGA 2022; 7:35743-35754. [PMID: 36249408 PMCID: PMC9558703 DOI: 10.1021/acsomega.2c03790] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
A new series of spirooxindoles based on ethylene derivatives having furan aryl moiety are reported. The new hybrids were achieved via [3 + 2] cycloaddition reaction as an economic one-step efficient approach. The final constructed spirooxindoles have four contiguous asymmetric carbon centers. The structure of 3a is exclusively confirmed using X-ray single crystal diffraction. The supramolecular structure of 3a is controlled by O···H, H···H, and C···C intermolecular contacts. It includes layered molecules interconnected weak C-H···O (2.675 Å), H···H (2.269 Å), and relatively short Cl···Br interhalogen interactions [3.4500(11)Å]. Using Hirshfeld analysis, the percentages of these intermolecular contacts are 10.6, 25.7, 6.4, and 6.2%, respectively. The spirooxindoles along with ethylene derivatives having furan aryl moiety were assessed against breast (MCF7) and liver (HepG2) cancer cell lines. The results indicated that the new chalcone 3b showed excellent activity in both cell lines (MCF7 and HepG2) with IC50 = 4.1 ± 0.10 μM/mL (MCF7) and 3.5 ± 0.07 μM/mL (HepG2) compared to staurosporine with 4.3 and 2.92 folds. Spirooxindoles 6d (IC50 = 4.3 ± 0.18 μM/mL), 6f (IC50 = 10.3 ± 0.40 μM/mL), 6i (IC50 = 10.7 ± 0.38 μM/mL), and 6j (IC50 = 4.7 ± 0.18 μM/mL) exhibited potential activity against breast adenocarcinoma, while compounds 6d (IC50 = 6.9 ± 0.23 μM/mL) and 6f (IC50 = 3.5 ± 0.11 μM/mL) were the most active hybrids against human liver cancer cell line (HepG2) compared to staurosporine [IC50 = 17.8 ± 0.50 μM/mL (MCF7) and 10.3 ± 0.23 μM/mL (HepG2)]. Molecular docking study exhibited the virtual mechanism of binding of compound 3b as a dual inhibitor of EGFR/CDK-2 proteins, and this may highlight the molecular targets for its cytotoxic activity.
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Affiliation(s)
- Mezna Saleh Altowyan
- Department
of Chemistry, College of Science, Princess
Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Saied M. Soliman
- Department
of Chemistry, Faculty of Science, Alexandria
University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt
| | - Matti Haukka
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 Finland
| | - Nora Hamad Al-Shaalan
- Department
of Chemistry, College of Science, Princess
Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Aminah A. Alkharboush
- Department
of Chemistry, College of Science, Princess
Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Assem Barakat
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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9
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Benaglia M, Greco SJ, Westphal R, Venturini Filho E, Medici F. Stereoselective Domino Reactions in the Synthesis of Spiro Compounds. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1771-0641] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
AbstractThis review summarizes the latest developments in asymmetric domino reactions, with the emphasis on the preparation of spiro compounds. Discussions on the stereoselectivity of the transformations, the reaction mechanisms, the rationalization of the stereochemical outcome, and the applications of domino reactions to the synthesis of biologically active molecules and natural products are included when appropriate.1 Introduction2 Asymmetric Domino Reactions2.1 Domino Reactions Initiated by Michael Reactions2.2 Domino Reactions Initiated by Mannich Reactions2.3 Domino Reactions Initiated by Knoevenagel Reactions2.4 Domino Reactions Initiated by Cycloaddition Reactions2.5 Domino Reactions Initiated by Metal Insertion2.6 Other Mechanisms3 Conclusion
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10
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Zhou JW, Chen BH, Zhang FH, Xue J, He XH, Peng C, Huang W, Zhao Q. Enantioselective Synthesis of Spirocyclopentane Oxindoles Bearing Five Consecutive Stereocenters via Secondary Amine‐Catalyzed [3+2] Cycloaddition. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jing-Wei Zhou
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
| | - Ben-Hong Chen
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
| | - Feng-Hua Zhang
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine School of Basic Medical Sciences CHINA
| | - Jing Xue
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
| | - Xiang-Hong He
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
| | - Cheng Peng
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
| | - Wei Huang
- Chengdu University of Traditional Chinese Medicine Wenjiang Campus: Chengdu University of Traditional Chinese Medicine State Key Laboratory of Southwestern Chinese Medicine Resources CHINA
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11
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Li CY, Xiang M, Li WS, Zhang J, Zou Y, Wan WJ, Wang LX. Enantioselective Organocatalyzed Mannich Reaction between Benzothiazolimines and α‐Benzylidene Succinimides for the Preparation of Chiral Benzothiazol Succinimides. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Chen-Yi Li
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Min Xiang
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Wen-Sheng Li
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Jian Zhang
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Ying Zou
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Wen-Juan Wan
- Chengdu Institute of Organic Chemistry Chinese Academy of Sciences: Chengdu Organic Chemicals Co Ltd Key Laboratory of Asymmetric Synthesis and Chirotechnology of Sichuan Province CHINA
| | - Li-Xin Wang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province No.9 Section 4,Renmin Nan Road,Chengdu, 610041 Chengdu CHINA
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12
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Laha D, Meher KB, Bankar OS, Bhat RG. Silver‐Catalyzed One‐Pot Access to Diastereoselective Benzo[5,6]oxepino[2,3‐c]pyrroles via Formal (5+2)‐Annulation of Donor‐/Acceptor‐Type Aryl Vinyl diazosuccinimide with Ketones. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Debasish Laha
- IISER Pune: Indian Institute of Science Education Research Pune Department of Chemistry Dr. Homi Bhabha Rd., NCL colony, Pashan 411008 Pune INDIA
| | - Kajal B. Meher
- IISER Pune: Indian Institute of Science Education Research Pune Department of Chemistry 411008 Pune INDIA
| | - Onkar S. Bankar
- IISER Pune: Indian Institute of Science Education Research Pune Department of Chemistry 411008 Pune INDIA
| | - Ramakrishna G. Bhat
- IISER Pune: Indian Institute of Science Education Research Pune Department of Chemistry C-Wing, Main Building, IISER-P 411008 Pune INDIA
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13
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Sakkani N, Nanda SK. A Review on the Synthesis and Applications of α‐Alkylidene Succinimides. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nagaraju Sakkani
- UTSA: The University of Texas at San Antonio Department of Chemistry 1 UTSA Circle, San Antonio, TX 78249 78249 San Antonio UNITED STATES
| | - Santosh Kumar Nanda
- Centurion Institute of Technology: Centurion University Chemistry Dept. of Chemistry, School of Applied Chemistry, CUTM 761211 Paralakhemundi INDIA
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14
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Xue Y, Guo Z, Chen X, Li J, Zou D, Wu Y, Wu Y. Copper-promoted difunctionalization of unactivated alkenes with silanes. Org Biomol Chem 2022; 20:989-994. [PMID: 35018960 DOI: 10.1039/d1ob02318g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
An efficient copper-catalyzed cascade difunctionalization of N-allyl anilines toward the synthesis of silylated indolines using commercially available silanes has been reported. This strategy provides a new avenue for the synthesis of a diverse array of indolines in reasonable yields. Preliminary mechanistic investigations indicate that the reaction probably proceeds via a radical pathway with unactivated alkenes as radical acceptors and simple silanes as radical precursors. This protocol is distinguished by its atom economy, broad substrate scope and readily available starting materials.
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Affiliation(s)
- Yingying Xue
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
| | - Zhuangzhuang Guo
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
| | - Xiaoyu Chen
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
| | - Jingya Li
- TetranovBiopharm, LLC., Zhengzhou, 450052, People's Republic of China
| | - Dapeng Zou
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
| | - Yangjie Wu
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
| | - Yusheng Wu
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450052, People's Republic of China. .,Tetranov International, Inc., 100 Jersey Avenue, Suite A340, New Brunswick, NJ 08901, USA.
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15
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Dočekal V, Vopálenská A, Měrka P, Konečná K, Jand'ourek O, Pour M, Císařová I, Veselý J. Enantioselective Construction of Spirooxindole-Fused Cyclopentanes. J Org Chem 2021; 86:12623-12643. [PMID: 34283607 DOI: 10.1021/acs.joc.1c01116] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The present study reports an asymmetric organocatalytic cascade reaction of oxindole derivates with α,β-unsaturated aldehydes efficiently catalyzed by simple chiral secondary amine. Spirooxindole-fused cyclopentanes were produced in excellent isolated yields (up to 98%) with excellent enantiopurities (up to 99% ee) and moderate to high diastereoselectivities. The synthetic utility of the protocol was exemplified on a set of additional transformations of the corresponding spiro compounds. In addition, a study showing the promising biological activity of selected enantioenriched products was accomplished.
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Affiliation(s)
- Vojtěch Dočekal
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Andrea Vopálenská
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Pavel Měrka
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Klára Konečná
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Ondřej Jand'ourek
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Milan Pour
- Department of Organic and Bioorganic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague 2, Czech Republic
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16
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Ge Y, Ye F, Yang J, Spannenberg A, Jackstell R, Beller M. Palladium-Catalyzed Domino Aminocarbonylation of Alkynols: Direct and Selective Synthesis of Itaconimides. JACS AU 2021; 1:1257-1265. [PMID: 34467363 PMCID: PMC8397365 DOI: 10.1021/jacsau.1c00221] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Indexed: 06/13/2023]
Abstract
The first direct and selective synthesis of substituted itaconimdes by palladium-catalyzed aminocarbonylation of alkynols is reported. Key to the success of this transformation is the use of a novel catalyst system involving ligand L11 and appropriate reaction conditions. In the protocol here presented, easily available propargylic alcohols react with N-nucleophiles including aryl- and alkylamines as well as aryl hydrazines to provide a broad variety of interesting heterocycles with high catalyst activity and excellent selectivity. The synthetic utility of the protocol is demonstrated in the synthesis of natural product 11 with aminocarbonylation as the key step. Mechanistic studies and control experiments reveal the crucial role of the hydroxyl group in the substrate for the control of selectivity.
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Affiliation(s)
- Yao Ge
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
| | - Fei Ye
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
- Key
Laboratory of Organosilicon Chemistry and Material Technology of Ministry
of Education, Key Laboratory of Organosilicon Material Technology
of Zhejiang Province, Hangzhou Normal University, No. 2318, Yuhangtang Road, 311121 Hangzhou, P. R. China
| | - Ji Yang
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
| | - Anke Spannenberg
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
| | - Ralf Jackstell
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
| | - Matthias Beller
- Leibniz-Institut
für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, Rostock 18059, Germany
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17
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Brønsted Base‐Catalyzed Tandem [2+4] Annulation/Tautomerization/Aromatization Reaction of α‐Alkylidene Succinimides with 5‐Alkenyl Thiazolones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100425] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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18
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Biswas A, Ghosh A, Shankhdhar R, Chatterjee I. Squaramide Catalyzed Asymmetric Synthesis of Five‐ and Six‐Membered Rings. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100181] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Anup Biswas
- Department of Chemistry Hooghly Women's College Hooghly West Bengal India
| | - Avisek Ghosh
- Department of Chemistry Indian Institute of Technology- Ropar India
| | - Rajat Shankhdhar
- Department of Chemistry Indian Institute of Technology- Ropar India
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19
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Zhang XY, Dou PH, Lu WY, You Y, Zhao JQ, Wang ZH, Yuan WC. Benzylidene succinimides as 3C synthons for the asymmetric tandem Mannich reaction/transamidation of cyclic trifluoromethyl ketimines to obtain F 3C-containing polycyclic dihydroquinazolinones. Chem Commun (Camb) 2021; 57:2927-2930. [PMID: 33620365 DOI: 10.1039/d0cc08131k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
By taking advantage of benzylidene succinimides as a new class of 3C synthons, a highly diastereo- and enantioselective tandem Mannich reaction/transamidation has been established by reacting them with cyclic trifluoromethyl N-acyl ketimines. Using a Cinchona alkaloid-derived squaramide as the catalyst, the tandem reaction proceeded smoothly under mild conditions and afforded a range of F3C-containing chiral polycyclic dihydroquinazolinones with excellent results (up to 99% yield, all cases >20 : 1 dr, up to 99% ee).
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Affiliation(s)
- Xia-Yan Zhang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China. and 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
| | - Pei-Hao Dou
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China. and 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
| | - Wen-Ya Lu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China. and 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
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.
| | - Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.
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20
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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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21
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Li CY, Xiang M, Song XJ, Zou Y, Huang ZC, Li X, Tian F, Wang LX. A base-catalyzed domino reaction between isoindigos and α-alkylidene succinimides-convenient preparation of highly steric bispirooxindoles. Org Biomol Chem 2020; 18:9511-9515. [PMID: 33185640 DOI: 10.1039/d0ob01858a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new base promoted Michael-Michael domino cycloaddition between isoindigos and α-alkylidene succinimides has been developed for highly efficient and one-step convenient preparation of highly steric bispiroxindoles with two adjacent quaternary carbon centers and four consecutive cycles in excellent yields (up to 96%) and diastereoselectivities (up to >20 : 1) under mild conditions within a few minutes. A series of bisprooxindoles were obtained and the synthetic potential of the protocol was evaluated in a scale-up preparation.
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Affiliation(s)
- Chen-Yi Li
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Min Xiang
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Xiang-Jia Song
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Ying Zou
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Zhi-Cheng Huang
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Xia Li
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China. and University of Chinese Academy of Sciences, Beijing 100039, P.R. China
| | - Fang Tian
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China.
| | - Li-Xin Wang
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P.R. China.
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22
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Zhang XY, You Y, Wang ZH, Zhao JQ, Yuan WC. Organocatalytic asymmetric tandem α-functionalization/1,3-proton shift reaction of benzylidene succinimides with β-trifluoromethyl enones. Chem Commun (Camb) 2020; 56:13449-13452. [PMID: 33043913 DOI: 10.1039/d0cc05474g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A bifunctional thiourea-catalyzed asymmetric tandem α-functionalization/1,3-proton shift reaction of benzylidene succinimides with β-trifluoromethyl enones has been developed. A series of F3C-containing chiral Rauhut-Currier type products were obtained in moderate to high yields (up to 98%) with excellent enantioselectivities (up to >99% ee). This represents the first example of benzylidene succinimides undergoing tandem α-functionalization/1,3-proton shift in catalytic enantioselective transformation.
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Affiliation(s)
- Xia-Yan Zhang
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Scences, Chengdu 610041, China.
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23
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Vagh SS, Karanam P, Liao C, Lin T, Liou Y, Edukondalu A, Chen Y, Lin W. Enantioselective Construction of Spirooxindole‐Fused Cyclopenta[
c
]chromen‐4‐ones Bearing Five Contiguous Stereocenters via a Stepwise (3+2) Cycloaddition. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901655] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sandip Sambhaji Vagh
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Praneeth Karanam
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Cheng‐Chieh Liao
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Ting‐Han Lin
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Yan‐Cheng Liou
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Athukuri Edukondalu
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Yi‐Ru Chen
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
| | - Wenwei Lin
- Department of ChemistryNational Taiwan Normal University 88, Sec. 4, Tingchow Road Taipei 11677 Taiwan, R.O.C
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24
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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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25
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Song YX, Lin Y, Yan L, Du DM. An organocatalytic domino Michael addition strategy: construction of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s with five contiguous stereocenters. Org Biomol Chem 2020; 18:7373-7378. [DOI: 10.1039/d0ob01613f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An efficient squaramide-catalyzed domino Michael addition for the stereoselective synthesis of bispiro[oxindole-thiazolidinone-hexahydroxanthone]s in good to excellent yields with excellent stereoselectivities was developed.
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Ye Lin
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Li Yan
- Analytical and Testing Center
- Beijing Institute of Technology
- Liangxiang Campus
- Beijing 102488
- People's Republic of China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
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26
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Hu XM, Dong H, Li YD, Huang P, Tian Z, Wang PA. Tandem grinding reactions involving aldol condensation and Michael addition in sequence for synthesis of 3,4,5-trisubstituted isoxazoles. RSC Adv 2019; 9:27883-27887. [PMID: 35530461 PMCID: PMC9071175 DOI: 10.1039/c9ra04864b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/23/2019] [Indexed: 11/28/2022] Open
Abstract
A one-pot, base-catalyzed, tandem grinding process involving carrying out aldol condensation and Michael addition in sequence to produce 3,4,5-trisubstituted isoxazoles from 3,5-dimethyl-4-nitroisoxazole, aromatic aldehydes and activated methylene compounds has been developed. In the presence of 10 mol% of pyrrolidine, aldol condensations of 3,5-dimethyl-4-nitroisoxazole with various aromatic aldehydes were performed with 3-10 minutes of grinding to provide 5-styryl-3-methyl-4-nitroisoxazoles in good to quantitative yields without further purification. Then, Michael additions between 5-styryl-3-methyl-4-nitroisoxazoles and activated methylene compounds (including ethyl 2-nitroacetate and alkyl 2-cyanoacetates) were carried out in the presence of 10 mol% of Et3N in the same mortar with 3-5 minutes of continuous grinding to produce 3,4,5-trisubstituted isoxazoles in good to excellent yields.
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Affiliation(s)
- Xiao-Mu Hu
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University Changle Xilu 169 Xi'an 710032 P. R. China
| | - Hai Dong
- College of Pharmacy, Xi'an Medical University No. 1 Xinwang Rd, Weiyang Dist. Xi'an 710021 P. R. China
| | - Yue-Dan Li
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University Changle Xilu 169 Xi'an 710032 P. R. China
| | - Ping Huang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University Changle Xilu 169 Xi'an 710032 P. R. China
| | - Zhuang Tian
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University Changle Xilu 169 Xi'an 710032 P. R. China
| | - Ping-An Wang
- Department of Medicinal Chemistry, School of Pharmacy, The Fourth Military Medical University Changle Xilu 169 Xi'an 710032 P. R. China
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27
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Li D, Wang Y, Jia Z, Ou Z, Dong Y, Lv C, Fu G, Liang D. Cu-Mediated Synthesis of Indolines and Dihydroisoquinolinones through Arylperfluoroalkylation of Unactivated Alkenes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900680] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Dandan Li
- School of Chemistry and Chemical Engineering; Xuchang University; No. 88, Bayi Road, Xuchang, Henan 461000 P. R. China
| | - Yan Wang
- Department of Chemistry; Kunming University; 650214 Kunming P. R. China
| | - Zhenzhen Jia
- School of Chemistry and Chemical Engineering; Xuchang University; No. 88, Bayi Road, Xuchang, Henan 461000 P. R. China
| | - Zhaocheng Ou
- School of Chemistry and Chemical Engineering; Xuchang University; No. 88, Bayi Road, Xuchang, Henan 461000 P. R. China
| | - Yongrui Dong
- Department of Chemistry; Kunming University; 650214 Kunming P. R. China
| | - Cunjie Lv
- School of Chemistry and Chemical Engineering; Xuchang University; No. 88, Bayi Road, Xuchang, Henan 461000 P. R. China
| | - Guangbin Fu
- School of Chemistry and Chemical Engineering; Xuchang University; No. 88, Bayi Road, Xuchang, Henan 461000 P. R. China
| | - Deqiang Liang
- Department of Chemistry; Kunming University; 650214 Kunming P. R. China
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28
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Huang W, Li X, Song X, Luo Q, Li Y, Dong Y, Liang D, Wang B. Benzylarylation of N-Allyl Anilines: Synthesis of Benzylated Indolines. J Org Chem 2019; 84:6072-6083. [PMID: 31021621 DOI: 10.1021/acs.joc.9b00237] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An unprecedented benzylic C-H functionalization of methyl arenes across unactivated alkenes is presented. In the presence of MnCl2·4H2O and di- tert-butyl peroxide, N-allyl anilines underwent benzylation/cyclization cascade to give benzylated indolines, which are a previously unmet synthetic goal. This protocol features simple operation, broad substrate scope, and great exo selectivity.
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Affiliation(s)
- Wenzhong Huang
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Xiulan Li
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Xuemei Song
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Qing Luo
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Yanping Li
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Ying Dong
- College of Chemistry, Chemical Engineering and Materials Science , Shandong Normal University , Jinan 250014 , China
| | - Deqiang Liang
- Department of Chemistry , Kunming University , Kunming 650214 , China.,Yunnan Engineering Technology Research Center for Plastic Films , Kunming 650214 , China
| | - Baoling Wang
- Department of Chemistry , Kunming University , Kunming 650214 , China.,Yunnan Engineering Technology Research Center for Plastic Films , Kunming 650214 , China
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29
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Tehri P, Peddinti RK. DBU-catalyzed [3 + 2] cycloaddition and Michael addition reactions of 3-benzylidene succinimides with 3-ylidene oxindoles and chalcones. Org Biomol Chem 2019; 17:3964-3970. [PMID: 30942810 DOI: 10.1039/c9ob00385a] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A metal-free DBU catalyzed protocol has been developed for the regioselective [3 + 2] cycloaddition reactions of 3-benzylidene succinimides with 3-ylidene oxindoles to furnish spirooxindole derivatives. The 3-benzylidene succinimides underwent Michael addition with chalcones to provide benzylidene succinimide-tethered propanones. All the reactions proceeded under mild conditions and the products were isolated by simple filtration and washing with ethanol in good yields. The current methodology utilizes simple precursors and provides functionally-rich succinimides with two to five contiguous stereocenters in excellent diastereoselectivity and with complete regioselectivity.
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Affiliation(s)
- Piyush Tehri
- Department of Chemistry, Indian Institute of Technology, Roorkee-247667, Uttarakhand, India.
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30
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Chen YR, Ganapuram MR, Hsieh KH, Chen KH, Karanam P, Vagh SS, Liou YC, Lin W. 3-Homoacyl coumarin: an all carbon 1,3-dipole for enantioselective concerted (3+2) cycloaddition. Chem Commun (Camb) 2018; 54:12702-12705. [PMID: 30370907 DOI: 10.1039/c8cc07271j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A new type of all-carbon 1,3-dipole precursor, 3-homoacylcoumarin, was employed for the stereoselective (3+2) cycloaddition with indandione alkylidenes to generate a series of coumarin/indandione-fused spirocyclopentanes bearing four contiguous stereogenic centers. While two reaction pathways progressed simultaneously, detailed mechanistic investigation revealed that the highly efficient stereoselective concerted route dominated the extremely slow stepwise pathway.
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Affiliation(s)
- Yi-Ru Chen
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei 11677, Taiwan, Republic of China.
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31
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Liang D, Dong Q, Xu P, Dong Y, Li W, Ma Y. Synthesis of CF 3CH 2-Containing Indolines by Transition-Metal-Free Aryltrifluoromethylation of Unactivated Alkenes. J Org Chem 2018; 83:11978-11986. [PMID: 30198264 DOI: 10.1021/acs.joc.8b01861] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
With an unactivated double bond as the radical acceptor, allyl amines underwent a metal-free trifluoromethylation/cyclization cascade with CF3SO2Na (Langlois' reagent), affording CF3CH2-containing indolines and tetrahydroisoquinolines, whose practical syntheses are significant challenges. This protocol features mild conditions, low cost, and a broad substrate scope.
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Affiliation(s)
- Deqiang Liang
- Department of Chemistry , Kunming University , Kunming 650214 , China.,Yunnan Engineering Technology Research Center for Plastic Films , Kunming 650214 , China
| | - Qishan Dong
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Penghui Xu
- Department of Chemistry , Kunming University , Kunming 650214 , China
| | - Ying Dong
- College of Chemistry, Chemical Engineering and Materials Science , Shandong Normal University , Jinan 250014 , China
| | - Weili Li
- Yunnan Engineering Technology Research Center for Plastic Films , Kunming 650214 , China
| | - Yinhai Ma
- Department of Chemistry , Kunming University , Kunming 650214 , China
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32
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Li Y, Chang Y, Li Y, Cao C, Yang J, Wang B, Liang D. Iron-Catalyzed exo
-Selective Synthesis of Cyanoalkyl Indolines via Cyanoisopropylarylation of Unactivated Alkenes. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800296] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yanni Li
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
| | - Yu Chang
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
| | - Yufen Li
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
| | - Cheng Cao
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
| | - Jinshuang Yang
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
| | - Baoling Wang
- Yunnan Engineering Technology Research Center for Plastic Films; Kunming 650214 People's Republic of China
| | - Deqiang Liang
- Department of Chemistry; Kunming University; Kunming 650214 People's Republic of China
- Yunnan Engineering Technology Research Center for Plastic Films; Kunming 650214 People's Republic of China
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33
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Wang CC, Huang J, Li XH, Kramer S, Lin GQ, Sun XW. Asymmetric Organocatalytic [4 + 1] Annulations: Enantioselective Construction of Multifunctionalized Spirocyclopentane Oxindoles Bearing α,α-Disubstituted α-Amino-β-keto Esters. Org Lett 2018; 20:2888-2891. [DOI: 10.1021/acs.orglett.8b00927] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Chuan-Chuan Wang
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Jian Huang
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Xin-Hao Li
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Søren Kramer
- Department of Chemistry, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Guo-Qiang Lin
- Department of Chemistry, Fudan University, Shanghai 200433, China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Xing-Wen Sun
- Department of Chemistry, Fudan University, Shanghai 200433, China
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34
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Mohammadi Ziarani G, Moradi R, Lashgari N. Asymmetric synthesis of chiral oxindoles using isatin as starting material. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.01.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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35
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Ding A, Meazza M, Guo H, Yang JW, Rios R. New development in the enantioselective synthesis of spiro compounds. Chem Soc Rev 2018; 47:5946-5996. [DOI: 10.1039/c6cs00825a] [Citation(s) in RCA: 217] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In this review we summarize the latest developments in the enantioselective synthesis of spirocompounds. The most important organometallic and organocatalytic methodologies are highlighted.
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Affiliation(s)
- Aishun Ding
- Department of Chemistry
- Fudan University
- Shanghai
- People's Republic of China
| | - Marta Meazza
- School of Chemistry. University of Southampton. Highfield Campus
- Southampton
- UK
| | - Hao Guo
- Department of Chemistry
- Fudan University
- Shanghai
- People's Republic of China
| | - Jung Woon Yang
- Department of Energy Science
- Sungkyunkwan University
- Suwon 16419
- South Korea
| | - Ramon Rios
- School of Chemistry. University of Southampton. Highfield Campus
- Southampton
- UK
- Department of Energy Science
- Sungkyunkwan University
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36
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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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37
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Gupta N, Bhojani G, Tak R, Jakhar A, Khan NUH, Chatterjee S, Kureshy RI. Highly Diastereoselective Syntheses of Spiro-Oxindole Dihydrofuran Derivatives in Aqueous Media and Their Antibacterial Activity. ChemistrySelect 2017. [DOI: 10.1002/slct.201702314] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Naveen Gupta
- Inorganic Materials and Catalysis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Gopal Bhojani
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Reverse Osmosis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Rajkumar Tak
- Inorganic Materials and Catalysis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Ajay Jakhar
- Inorganic Materials and Catalysis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Noor-ul H. Khan
- Inorganic Materials and Catalysis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Shruti Chatterjee
- Salt and Marine Chemicals Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
| | - Rukhsana I. Kureshy
- Inorganic Materials and Catalysis Division; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
- Academy of Scientific and Innovative Research; CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg; Bhavnagar- 364 002 Gujarat India
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38
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Chanda T, Zhao JC. Recent Progress in Organocatalytic Asymmetric Domino Transformations. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701059] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tanmoy Chanda
- Department of Chemistry University of Texas at San Antonio One UTSA Circle San Antonio TX 78249-0698 USA
| | - John C.‐G. Zhao
- Department of Chemistry University of Texas at San Antonio One UTSA Circle San Antonio TX 78249-0698 USA
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39
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Chaudhari PD, Hong BC, Lee GH. Organocatalytic Enantioselective Michael–Michael–Michael–Aldol Condensation Reactions: Control of Six Stereocenters in a Quadruple-Cascade Asymmetric Synthesis of Polysubstituted Spirocyclic Oxindoles. Org Lett 2017; 19:6112-6115. [DOI: 10.1021/acs.orglett.7b02962] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Prakash D. Chaudhari
- 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
| | - Gene-Hsiang Lee
- Instrumentation
Center, National Taiwan University, Taipei, 106, Taiwan, R.O.C
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40
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Highly enantioselective Michael addition of α,α-disubstituted aldehydes to maleimides catalyzed by new primary amine-squaramide bifunctional organocatalysts. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.10.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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41
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Non-Covalent Organocatalyzed Domino Reactions Involving Oxindoles: Recent Advances. Molecules 2017; 22:molecules22101636. [PMID: 28961217 PMCID: PMC6151767 DOI: 10.3390/molecules22101636] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 09/25/2017] [Accepted: 09/26/2017] [Indexed: 11/17/2022] Open
Abstract
The ubiquitous presence of spirooxindole architectures with several functionalities and stereogenic centers in bioactive molecules has been appealing for the development of novel methodologies seeking their preparation in high yields and selectivities. Expansion and refinement in the field of asymmetric organocatalysis have made possible the development of straightforward strategies that address these two requisites. In this review, we illustrate the current state-of-the-art in the field of spirooxindole synthesis through the use of non-covalent organocatalysis. We aim to provide a concise overview of very recent methods that allow to the isolation of unique, densely and diversified spirocyclic oxindole derivatives with high structural diversity via the use of cascade, tandem and domino processes.
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42
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Sivamuthuraman K, Kumarswamyreddy N, Kesavan V. Diastereo- and Enantioselective Synthesis of 2,2-Disubstituted Benzofuran-3-one Bearing Adjacent Quaternary and Tertiary Stereocenters. J Org Chem 2017; 82:10812-10822. [DOI: 10.1021/acs.joc.7b01105] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Koilpitchai Sivamuthuraman
- Chemical Biology Laboratory,
Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, India
| | - Nandarapu Kumarswamyreddy
- Chemical Biology Laboratory,
Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, India
| | - Venkitasamy Kesavan
- Chemical Biology Laboratory,
Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, India
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43
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Molecular Hybridization-Guided One-Pot Multicomponent Synthesis of Turmerone Motif-Fused 3,3'-Pyrrolidinyl-dispirooxindoles via a 1,3-Dipolar Cycloaddition Reaction. Molecules 2017; 22:molecules22040645. [PMID: 28420177 PMCID: PMC6154684 DOI: 10.3390/molecules22040645] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 04/11/2017] [Accepted: 04/13/2017] [Indexed: 12/03/2022] Open
Abstract
Described herein is the development of a facile and efficient methodology for the synthesis of novel turmerone motif-fused 3,3′-pyrrolidinyl-dispirooxindoles 3–5 via a multicomponent 1,3-dipolar cycloaddition of dienones 2 with azomethine ylides (thermally generated in situfrom isatins and proline or thioproline or sarcosine). Products bearing four or three consecutive stereocenters consist of two oxindole moieties and a pyrrolidinyl core, including vicinal spiroquaternary stereocenters fused in one ring structure were smoothly obtained in high yields (up to 93% yield) with good diastereoselectivity (up to >20:1). Another valuable application of this method was for the design of new hybrid architectures for biological screening through the adequate fusion of these sub-units of turmerone and 3,3′-pyrrolidinyl-dispirooxindole, generating drug-like molecules.
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44
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Zhao B, Li J, Du D. Squaramide‐Catalyzed Asymmetric Reactions. CHEM REC 2017; 17:994-1018. [DOI: 10.1002/tcr.201600140] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 02/27/2017] [Indexed: 01/10/2023]
Affiliation(s)
- Bo‐Liang Zhao
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing 100081 People's Republic of China
| | - Jun‐Hua Li
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing 100081 People's Republic of China
| | - Da‐Ming Du
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology 5 South Zhongguancun Street Beijing 100081 People's Republic of China
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45
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Karahan S, Tanyeli C. Organocatalytic enantioselective construction of isatin-derived N-alkoxycarbonyl 1,3-aminonaphthols via sterically encumbered hydrocarbon-substituted quinine-based squaramide. NEW J CHEM 2017. [DOI: 10.1039/c7nj01395g] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
2-Adamantyl substituted quinine-squaramide catalyzed aza-Friedel–Crafts reaction of N-carbamate isatin ketimines with naphthol afforded chiral isatin-derived 1,3-aminonaphthols with excellent enantioselectivity up to greater than 99% and quantitative yield.
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Affiliation(s)
- Seda Karahan
- Department of Chemistry
- Middle East Technical University
- Ankara
- Turkey
| | - Cihangir Tanyeli
- Department of Chemistry
- Middle East Technical University
- Ankara
- Turkey
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46
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Du Y, Yu A, Jia J, Zhang Y, Meng X. Direct N–H/α,α,β,β-C(sp3)–H functionalization of piperidine via an azomethine ylide route: synthesis of spirooxindoles bearing 3-substituted oxindoles. Chem Commun (Camb) 2017; 53:1684-1687. [DOI: 10.1039/c6cc08996h] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A protocol for the direct functionalization of N–H/α,α,β,β-C(sp3)–H of piperidine without any metal or external oxidants is reported.
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Affiliation(s)
- Yanlong Du
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion
- School of Chemistry & Chemical Engineering Tianjin University of Technology
- Tianjin 300384
- P. R. China
| | - Aimin Yu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion
- School of Chemistry & Chemical Engineering Tianjin University of Technology
- Tianjin 300384
- P. R. China
| | - Jiru Jia
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion
- School of Chemistry & Chemical Engineering Tianjin University of Technology
- Tianjin 300384
- P. R. China
| | - Youquan Zhang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion
- School of Chemistry & Chemical Engineering Tianjin University of Technology
- Tianjin 300384
- P. R. China
| | - Xiangtai Meng
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion
- School of Chemistry & Chemical Engineering Tianjin University of Technology
- Tianjin 300384
- P. R. China
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47
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Kumarswamyreddy N, Kesavan V. Stereoselective and Regioselective Assembly of Spirooxindole [2,1-b]furan Motifs through a Tandem Friedel-Crafts Alkylation/5-exo-dig-Cyclization. European J Org Chem 2016. [DOI: 10.1002/ejoc.201601030] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Nandarapu Kumarswamyreddy
- Chemical Biology Laboratory; Department of Biotechnology; Indian Institute of Technology Madras; Bhupat and Jyoti Mehta School of Biosciences; Chennai 600036 India
| | - Venkitasamy Kesavan
- Chemical Biology Laboratory; Department of Biotechnology; Indian Institute of Technology Madras; Bhupat and Jyoti Mehta School of Biosciences; Chennai 600036 India
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48
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Zhang J, Cao D, Wang H, Zheng C, Zhao G, Shang Y. Enantioselective Construction of Spirocyclic Oxindoles via Tandem Michael/Michael Reactions Catalyzed by Multifunctional Quaternary Phosphonium Salt. J Org Chem 2016; 81:10558-10568. [DOI: 10.1021/acs.joc.6b01553] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jiaxing Zhang
- The
Key Laboratory of Functional Molecular Solids, Ministry of Education,
Anhui Laboratory of Molecule-Based Materials, College of Chemistry
and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Dongdong Cao
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Hongyu Wang
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Changwu Zheng
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Gang Zhao
- Key
Laboratory of Synthetic Chemistry of Natural Substances, Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Yongjia Shang
- The
Key Laboratory of Functional Molecular Solids, Ministry of Education,
Anhui Laboratory of Molecule-Based Materials, College of Chemistry
and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
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49
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Organocatalytic Asymmetric Michael/Cyclization Cascade Reaction of 3-Isothiocyanato Oxindoles with Maleimides for the Efficient Construction of Pyrrolidonyl Spirooxindoles. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600658] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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50
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Sun X, Fei J, Zou C, Lu M, Ye J. Remote stereocontrolled asymmetric 1,6-addition/1,4-addition cascade reactions between cyclic dienones and 2-indolinethiones. RSC Adv 2016. [DOI: 10.1039/c6ra19916j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Enantioselective 1,6-addition/1,4-addition cascade reactions between cyclic dienones and 2-indolnethiones have been realized, affording chiral spiro[thiopyranoindole-cyclohexanone] scaffolds facilely and efficiently.
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Affiliation(s)
- Xiaohua Sun
- Engineering Research Center of Pharmaceutical Process Chemistry
- Ministry of Education
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
| | - Jie Fei
- Engineering Research Center of Pharmaceutical Process Chemistry
- Ministry of Education
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
| | - Chuncheng Zou
- Engineering Research Center of Pharmaceutical Process Chemistry
- Ministry of Education
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
| | - Min Lu
- Engineering Research Center of Pharmaceutical Process Chemistry
- Ministry of Education
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
| | - Jinxing Ye
- Engineering Research Center of Pharmaceutical Process Chemistry
- Ministry of Education
- Shanghai Key Laboratory of New Drug Design
- School of Pharmacy
- East China University of Science and Technology
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