1
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Zhu C, Jiang W, Ma D. Copper-Catalyzed Intramolecular Aldehyde-Ketone Nucleophilic Additions for the Synthesis of Chromans Bearing a Tertiary Alcohol Motif. J Org Chem 2023. [PMID: 38152030 DOI: 10.1021/acs.joc.3c02365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
The synthesis of chroman-3-ol derivatives via intramolecular nucleophilic additions has been established. Aldehydes can be used as alkyl carbanion equivalents via reductive polarity reversal which is facilitated by a copper catalyst and N-heterocyclic carbene ligand under mild conditions. The key to success is the difference in reaction activity between aldehydes and ketones. Finally, this methodology also can be used to construct other cyclic structures containing tertiary alcohols including tetraline, cyclohexane, indan, and 9,10-dihydrophenanthrene.
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Affiliation(s)
- Chenghao Zhu
- School of Pharmaceutical Engineering & Institute for Advanced Studies, Taizhou University, Jiaojiang 318000, Zhejiang, China
| | - Wenbo Jiang
- School of Pharmaceutical Engineering & Institute for Advanced Studies, Taizhou University, Jiaojiang 318000, Zhejiang, China
| | - Da Ma
- School of Pharmaceutical Engineering & Institute for Advanced Studies, Taizhou University, Jiaojiang 318000, Zhejiang, China
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2
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Zhang X, Zhou Q, Zhou Y, Wang Z, Wang J, Wang M. Asymmetric synthesis of chiral (thio)chromanes and exploration on their structure-activity relationship in macrophages. RSC Adv 2023; 13:30391-30400. [PMID: 37854489 PMCID: PMC10580023 DOI: 10.1039/d3ra06428j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 10/05/2023] [Indexed: 10/20/2023] Open
Abstract
A CuCl/(R,R)-Ph-BPE-catalyzed enantioselective hydroallylation of 2H-chromenes and 2H-thiochromenes with allylic phosphate electrophiles is developed, which enables highly efficient and atom-economical asymmetric access to a series of 4-allyl chromanes and thiochromanes in high yields (up to 91%) with excellent enantioselectivities (up to 99% ee). These valuable chiral chromane and thiochromane products can serve as crucial intermediates for accessing bioactive compounds containing oxygen and sulfur atoms. In addition, the antioxidant and anti-inflammatory effects of various chromanes and thiochromanes were investigated in RAW 264.7 macrophages. The chromanes and thiochromanes exhibited significant inhibitory effects on the production of reactive oxygen species (ROS) and the secretion of pro-inflammatory cytokines, including interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α). These findings indicate that the newly synthesized chromanes and thiochromanes hold promise as potential lead compounds for the development of antioxidant and anti-inflammatory drugs.
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Affiliation(s)
- Xiao Zhang
- School of Biological Science, The University of Hong Kong Hong Kong 999077 China
- Department of Chemistry, Southern University of Science and Technology Shenzhen 518055 China
| | - Qian Zhou
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Advanced Study, Shenzhen University Shenzhen 518060 China
| | - Yue Zhou
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Advanced Study, Shenzhen University Shenzhen 518060 China
| | - Zihao Wang
- School of Chinese Medicine, Hong Kong Baptist University Hong Kong 999077 China
- Centre for Chinese Herbal Medicine Drug Development, Hong Kong Baptist University Hong Kong 999077 China
| | - Jun Wang
- Department of Chemistry, Southern University of Science and Technology Shenzhen 518055 China
- Department of Chemistry, Hong Kong Baptist University Hong Kong 999077 China
| | - Mingfu Wang
- School of Biological Science, The University of Hong Kong Hong Kong 999077 China
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Advanced Study, Shenzhen University Shenzhen 518060 China
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3
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Piperidine Derivatives: Recent Advances in Synthesis and Pharmacological Applications. Int J Mol Sci 2023; 24:ijms24032937. [PMID: 36769260 PMCID: PMC9917539 DOI: 10.3390/ijms24032937] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/27/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Piperidines are among the most important synthetic fragments for designing drugs and play a significant role in the pharmaceutical industry. Their derivatives are present in more than twenty classes of pharmaceuticals, as well as alkaloids. The current review summarizes recent scientific literature on intra- and intermolecular reactions leading to the formation of various piperidine derivatives: substituted piperidines, spiropiperidines, condensed piperidines, and piperidinones. Moreover, the pharmaceutical applications of synthetic and natural piperidines were covered, as well as the latest scientific advances in the discovery and biological evaluation of potential drugs containing piperidine moiety. This review is designed to help both novice researchers taking their first steps in this field and experienced scientists looking for suitable substrates for the synthesis of biologically active piperidines.
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4
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Davis J, Gharaee M, Karunaratne CV, Cortes Vazquez J, Haynes M, Luo W, Nesterov VN, Cundari T, Wang H. Asymmetric Synthesis of Chromans Through Bifunctional Enamine-Metal Lewis Acid Catalysis. Chemistry 2022; 28:e202200224. [PMID: 35298095 DOI: 10.1002/chem.202200224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Indexed: 11/09/2022]
Abstract
Cooperative enamine-metal Lewis acid catalysis has emerged as a powerful tool to construct carbon-carbon and carbon-heteroatom bond forming reactions. A concise synthetic method for asymmetric synthesis of chromans from cyclohexanones and salicylaldehydes has been developed to afford tricyclic chromans containing three consecutive stereogenic centers in good yields (up to 87 %) and stereoselectivity (up to 99 % ee and 11 : 1 : 1 dr). This difficult organic transformation was achieved through bifunctional enamine-metal Lewis acid catalysis. It is believed that the strong activation of the salicylaldehydes through chelating to the metal Lewis acid and the bifunctional nature of the catalyst accounts for the high yields and enantioselectivity of the reaction. The absolute configurations of the chroman products were established through X-ray crystallography. DFT calculations were conducted to understand the mechanism and stereoselectivity of this reaction.
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Affiliation(s)
- Jacqkis Davis
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Mojgan Gharaee
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | | | | | - Mikayla Haynes
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Weiwei Luo
- School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | | | - Thomas Cundari
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Hong Wang
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
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5
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Zheng Z, Deiana L, Posevins D, Rafi AA, Zhang K, Johansson MJ, Tai CW, Córdova A, Bäckvall JE. Efficient Heterogeneous Copper-Catalyzed Alder-Ene Reaction of Allenynamides to Pyrrolines. ACS Catal 2022; 12:1791-1796. [PMID: 35154848 PMCID: PMC8822631 DOI: 10.1021/acscatal.1c05147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/11/2022] [Indexed: 12/18/2022]
Abstract
![]()
Herein, we describe
an efficient nanocopper-catalyzed Alder-ene
reaction of allenynamides. The copper nanoparticles were immobilized
on amino-functionalized microcrystalline cellulose. A solvent-controlled
chemoselectivity of the reaction was observed, leading to the chemodivergent
synthesis of pyrrolines (2,5-dihydropyrroles) and pyrroles. The heterogeneous
copper catalyst exhibits high efficiency and good recyclability in
the Alder-ene reaction, constituting a highly attractive catalytic
system from an economical and environmental point of view.
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Affiliation(s)
- Zhiyao Zheng
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
| | - Luca Deiana
- Department of Natural Sciences, Holmgatan 10, Mid Sweden University, 85179 Sundsvall, Sweden
| | - Daniels Posevins
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
| | - Abdolrahim A. Rafi
- Department of Natural Sciences, Holmgatan 10, Mid Sweden University, 85179 Sundsvall, Sweden
| | - Kaiheng Zhang
- Department of Natural Sciences, Holmgatan 10, Mid Sweden University, 85179 Sundsvall, Sweden
| | - Magnus J. Johansson
- AstraZeneca R&D, Innovative Medicines, Cardiovascular and Metabolic Disorders, Medicinal Chemistry, Pepparedsleden 1, SE-431 83 Mölndal, Sweden
| | - Cheuk-Wai Tai
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
| | - Armando Córdova
- Department of Natural Sciences, Holmgatan 10, Mid Sweden University, 85179 Sundsvall, Sweden
| | - Jan-E. Bäckvall
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
- Department of Natural Sciences, Holmgatan 10, Mid Sweden University, 85179 Sundsvall, Sweden
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6
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Zhang BB, Peng S, Wang F, Lu C, Nie J, Chen Z, Yang G, Ma C. Borane-catalyzed cascade Friedel–Crafts alkylation/[1,5]-hydride transfer/Mannich cyclization to afford tetrahydroquinolines. Chem Sci 2022; 13:775-780. [PMID: 35173942 PMCID: PMC8768868 DOI: 10.1039/d1sc05629h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022] Open
Abstract
We report a redox-neutral annulation reaction of tertiary amines with electron-deficient alkynes under metal-free and oxidant-free conditions.
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Affiliation(s)
- Bei-Bei Zhang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Shuo Peng
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Feiyi Wang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Cuifen Lu
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Junqi Nie
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Zuxing Chen
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Guichun Yang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Chao Ma
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
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7
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De SK. Applications of Nickel(II) Compounds in Organic Synthesis. Curr Org Synth 2021; 18:517-534. [PMID: 33655838 DOI: 10.2174/1570179418666210224124931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/20/2021] [Accepted: 01/23/2021] [Indexed: 11/22/2022]
Abstract
This review article summarizes the applications of nickel(II) compounds in organic synthesis since 2016. In recent years, the field of nickel(II) catalysis is gaining considerable interest due to readily available, low-cost nickel(II)-compounds and several key properties of nickel. This review article is organized by the reaction type, although some reactions can be placed in multiple sections.
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Affiliation(s)
- Surya K De
- Supra Sciences, San Diego, California, United States
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8
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Das S, Goswami G, Halder S, Ghorai MK. Domino imino-aldol-aza-Michael and imino-aldol-aza-Michael-imino-aldol reactions: Diastereoselective synthesis of highly functionalized 2,6-disubstituted piperidines. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Chen X, Lu Y, Guan Z, Gu L, Chen C, Zhu H, Luo Z, Zhang Y. Synthesis of Succinimides via Intramolecular Alder-Ene Reaction of 1,6-Enynes. Org Lett 2021; 23:3173-3178. [PMID: 33797270 DOI: 10.1021/acs.orglett.1c00888] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A novel and convenient method has been developed for the facile synthesis of functionalized succinimide derivatives via intramolecular Alder-ene reaction of 1,6-enynes. This reaction features mild and metal-free reaction conditions, which offers a green and efficient entry to synthetically important succinimide scaffolds. Preliminary mechanistic studies suggest that a diradical intermediate might be involved in this transformation.
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Affiliation(s)
- Xia Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuling Lu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhenhua Guan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Lianghu Gu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Chunmei Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Hucheng Zhu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zengwei Luo
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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10
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Huang JX, Hou KQ, Hu QL, Chen XP, Li J, Chan ASC, Xiong XF. Organocatalytic Asymmetric Three-Component Povarov Reactions of Anilines and Aldehydes. Org Lett 2020; 22:1858-1862. [PMID: 32083880 DOI: 10.1021/acs.orglett.0c00206] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We report the first highly enantio- and diastereoselective three-component Povarov reaction between anilines and aldehydes catalyzed by a chiral amine catalyst. A wide variety of substituted tetrahydroquinolines were obtained with moderate to good yields and excellent enantioselectivity and diastereoselectivity (up to 99% ee and >95:5 dr) under the reaction conditions. Furthermore, the reaction intermediates could be efficiently converted to other valuable building blocks.
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Affiliation(s)
- Jun-Xiang Huang
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ke-Qiang Hou
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Qi-Long Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xue-Ping Chen
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jian Li
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Albert S C Chan
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiao-Feng Xiong
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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