1
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Cavalli D, Waser J. Organic Dye Photocatalyzed Synthesis of Functionalized Lactones and Lactams via a Cyclization-Alkynylation Cascade. Org Lett 2024; 26:4235-4239. [PMID: 38739856 PMCID: PMC11129301 DOI: 10.1021/acs.orglett.4c01078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/29/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
An organic dye photocatalyzed lactonization-alkynylation of easily accessible homoallylic cesium oxalates using ethynylbenziodoxolone (EBX) reagents has been developed. The reaction gave access to valuable functionalized lactones and lactams in up to 88% yield via the formation of two new C-C bonds. The transformation was carried out on primary, secondary, and tertiary homoallylic alcohols and primary homoallylic amines and could be applied to the synthesis of spirocyclic compounds as well as fused and bridged bicyclic lactones.
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Affiliation(s)
- Diana Cavalli
- Laboratory of Catalysis and Organic
Synthesis, Institute of Chemical Sciences
and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic
Synthesis, Institute of Chemical Sciences
and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne Switzerland
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2
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Yang TT, Zhang YQ, Xie MS, Tian Y, Wang DC, Guo HM. Dearomative [2 + 1] Spiroannulation of Bromophenols with Electron-Deficient Alkenes. J Org Chem 2024. [PMID: 38757188 DOI: 10.1021/acs.joc.4c00680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
A base-assisted dearomative [2 + 1] spiroannulation of p/o-bromophenols with activated olefins (methylenemalonates) to construct various cyclopropyl spirocyclohexadienone skeletons is reported. Furthermore, several other halophenols (X = Cl, I) were also tolerated in this process. Control experiments reveal a dearomative Michael addition of phenols at their halogenated positions to methylenemalonates, followed by intramolecular radical-based SRN1 dehalogenative cyclopropanation. However, according to the density functional theory (DFT) calculations, an SN2 dehalogenative cyclopropanation with the same low activation energy barrier should not be excluded. The utility of this method is showcased by gram-scale syntheses and transformations of the dearomatized products.
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Affiliation(s)
- Ting-Ting Yang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, China
| | - Yun-Qiao Zhang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, China
| | - Ming-Sheng Xie
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, China
| | - Yin Tian
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Dong-Chao Wang
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, China
| | - Hai-Ming Guo
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, Henan, China
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3
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Ayesha, Ashraf A, Arshad M, Sajid N, Rasool N, Abbas M, Nazeer U, Khalid M, Imran M. Dinuclear Zn-Catalytic System as Brønsted Base and Lewis Acid for Enantioselectivity in Same Chiral Environment. ACS OMEGA 2024; 9:6074-6092. [PMID: 38375498 PMCID: PMC10876046 DOI: 10.1021/acsomega.3c07446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 02/21/2024]
Abstract
Zinc (Zn) is a crucial element with remarkable significance in organic transformations. The profusion of harmless zinc salts in the Earth's outer layer qualifies zinc as a noteworthy contender for inexpensive and eco-friendly reagents and catalysts. Recently, widely recognized uses of organo-Zn compounds in the field of organic synthesis have undergone extensive expansion toward asymmetric transformations. The ProPhenol ligand, a member of the chiral nitrogenous-crown family, exhibits the spontaneous formation of a dual-metal complex when reacted with alkyl metal (R-M) reagents, e.g., ZnEt2. The afforded Zn complex possesses two active sites, one Lewis acid and the other Brønsted base, thereby facilitating the activation of nucleophiles and electrophiles simultaneously within the same chiral pocket. In this comprehensive analysis, we provide a thorough account of the advancement and synthetic potential of these diverse catalysts in organic synthesis, while emphasizing the reactivity and selectivities, i.e., dr and ee due to the design/structure of the ligands employed.
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Affiliation(s)
- Ayesha
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Aisha Ashraf
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Mahwish Arshad
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
- Roy
and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, United States
| | - Numan Sajid
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Nasir Rasool
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Mujahad Abbas
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Usman Nazeer
- Chemistry
Department, University of Houston, 3585 Cullen Boulvard, Houston, Texas 77204-5003, United States
| | | | - Muhammad Imran
- Chemistry
Department, Faculty of Science, King Khalid
University, P.O. Box 9004, Abha 61413, Saudi Arabia
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4
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Kitzinger KM, Johnson JS. Oxidative Spirocyclization of β-Furyl Amides for the Assembly of Spiro-γ-butenolide-γ-butyrolactones. Org Lett 2023; 25:7446-7450. [PMID: 37788144 PMCID: PMC10591763 DOI: 10.1021/acs.orglett.3c03100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
The synthesis of heretofore unknown γ-spirobutenolides has been achieved via an m-CPBA-mediated oxidation of β-furyl amides. The reaction employs a tethered amide, ostensibly a poorly reactive carbonyl, as a nontraditional nucleophile resulting in spirolactone formation and concurrent amide cleavage. The transformation exhibits functional group tolerance and compatibility with complex compounds. In situ 1H NMR spectroscopic studies reveal the identities of key intermediates in the oxidation-spirolactonization-oxidation cascade, suggesting a plausible mechanistic pathway. The distinct diastereofaces of the electrophilic butenolide product may be used for diastereoselective cycloaddition and conjugate addition reactions.
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Affiliation(s)
- Katelyn M Kitzinger
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Jeffrey S Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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5
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Zuo S, Tao Y, Liu Z, Zhang K, Zhang L, Ning Y, Chen FE. Construction of Vicinal All-Carbon Stereogenic Centers via Copper-Catalyzed Asymmetric Decarboxylative Propargylation: Enantio- and Diastereoselective Synthesis of Substituted Spirolactones. Org Lett 2023; 25:410-415. [PMID: 36629396 DOI: 10.1021/acs.orglett.2c04113] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The formation of vicinal all-carbon quaternary stereocenters remains a formidable challenge. We report herein the synthesis of such highly congested structural dyads by copper-catalyzed decarboxylative propargylation between propargyl carbonates and indanone-based nucleophiles. The implementation of diphenylethylenediamine (DPEN)-based ligands is the key to success. A wide range of functional groups was tolerated, delivering the indanone-based spirolactones in good yields with high diastereo- and enantioselectivity. The mechanistic observations suggest the capability of the new copper complex to enable stereocontrolled addition to copper-allenylidene species.
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Affiliation(s)
- Sheng Zuo
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Yuan Tao
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Zhigang Liu
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Ke Zhang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Luyun Zhang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Yingtang Ning
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
| | - Fen-Er Chen
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Fudan University, 200433 Shanghai, China.,Shanghai Engineering Center of Industrial Catalysis for Chiral Drugs, 200433 Shanghai, China
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6
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Iazzetti A, Allevi D, Calcaterra A, Fabrizi G, Goggiamani A, Mazzoccanti G, Sferrazza A, Verdiglione R, Vergine V. Highly Efficient and Mild Gold (I) Catalyzed Synthesis of 3,8-Diarylidene-2,7-dioxaspiro[4.4]nonane-1,6-diones. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010300. [PMID: 36615493 PMCID: PMC9822471 DOI: 10.3390/molecules28010300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023]
Abstract
The gold-catalyzed cyclization of 2,2-bis(3-arylprop-2-yn1-yl)malonic acid has been proposed as an efficient approach to substituted 3,8-dibenzyl-2,7-dioxaspiro[4.4]nonane-1,6-diones. The reaction proceeds smoothly in mild reaction conditions to give the desired products in quantitative yields in the presence of variously substituted starting materials. In addition, the synthesis of γ-arylidene spirobislactone bearing different substituents on the two aromatic rings has been achieved. This kind of compound could be of great interest in pharmaceutical science given the widespread presence of this scaffold in bioactive natural and synthetic products.
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Affiliation(s)
- Antonia Iazzetti
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Campus di Roma, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Dario Allevi
- Dipartimento di Scienze Biotecnologiche di Base Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Campus di Roma, Largo Francesco Vito 1, 00168 Rome, Italy
| | - Andrea Calcaterra
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
- Correspondence:
| | - Giancarlo Fabrizi
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Antonella Goggiamani
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Giulia Mazzoccanti
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Alessio Sferrazza
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Rosanna Verdiglione
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Valeria Vergine
- Department of Chemistry and Technology of Drugs, Sapienza-University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
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7
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Talajić G, Topić E, Meštrović J, Cindro N. Total Synthesis of Penicyclone A Using a Double Grignard Reaction. J Org Chem 2022; 87:16054-16062. [PMID: 36383733 PMCID: PMC9724088 DOI: 10.1021/acs.joc.2c02200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We describe the first total synthesis of penicyclone A, a novel deep-sea fungus-derived polyketide, and a reevaluation of its antimicrobial activity. The synthesis of this unique spirolactone was achieved in 10 steps starting from a known d-ribose derivative. The key steps include a double Grignard reaction for the diastereoselective construction of the chiral tertiary alcohol intermediate, tandem oxidation/cyclization, and photooxygenation, followed by an oxidative rearrangement to introduce the enone functionality.
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8
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Westphal R, Venturini Filho E, Loureiro LB, Tormena CF, Pessoa C, Guimarães CDJ, Manso MP, Fiorot RG, Campos VR, Resende JALC, Medici F, Greco SJ. Green Synthesis of Spiro Compounds with Potential Anticancer Activity through Knoevenagel/Michael/Cyclization Multicomponent Domino Reactions Organocatalyzed by Ionic Liquid and Microwave-Assisted. Molecules 2022; 27:molecules27228051. [PMID: 36432151 PMCID: PMC9697156 DOI: 10.3390/molecules27228051] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/10/2022] [Accepted: 11/13/2022] [Indexed: 11/22/2022] Open
Abstract
In this work a microwave-assisted Knoevenagel/Michael/cyclization multicomponent domino methodology, using ethanol as solvent and the ionic liquid 1-methylimidazolium chloride as catalyst was developed for the synthesis of spiro compounds. The reaction conditions considered ideal were determined from a methodological study varying solvent, catalyst, amount of catalyst, temperature, and heating mode. Finally, the generality of the methodology was evaluated by exploring the scope of the reaction, varying the starting materials (isatin, malononitrile, and barbituric acid). Overall, the twelve spiro compounds were synthesized in good yields (43-98%) and the X-ray structure of compound 1b was obtained. In addition, the in vitro antiproliferative activities of the spirocycles against four types of human cancer cell lines including HCT116 (human colon carcinoma), PC3 (prostate carcinoma), HL60 (promyelocytic leukemia), and SNB19 (astrocytoma) were screened by MTT-based assay. It is noteworthy that spiro compound 1c inhibited the four cell lines tested with the lowest IC50 values: 52.81 µM for HCT116, 74.40 µM for PC3, 101 µM for SNB19, and 49.72 µM for HL60.
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Affiliation(s)
- Regina Westphal
- Chemistry Department, Federal University of Espírito Santo, Fernando Ferrari Avenue 514, Vitória 29075-910, ES, Brazil
| | - Eclair Venturini Filho
- Chemistry Department, Federal University of Espírito Santo, Fernando Ferrari Avenue 514, Vitória 29075-910, ES, Brazil
| | - Laiza Bruzadelle Loureiro
- Institute of Chemistry, University of Campinas, Josué de Castro Street, Campinas 13083-970, SP, Brazil
| | - Cláudio Francisco Tormena
- Institute of Chemistry, University of Campinas, Josué de Castro Street, Campinas 13083-970, SP, Brazil
| | - Claudia Pessoa
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Celina de Jesus Guimarães
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Mariana Palmeira Manso
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza 60430-275, CE, Brazil
| | - Rodolfo Goetze Fiorot
- Campus do Valonguinho, Institute of Chemistry, Fluminense Federal University, Niterói 24020-141, RJ, Brazil
| | - Vinicius Rangel Campos
- Campus do Valonguinho, Institute of Chemistry, Fluminense Federal University, Niterói 24020-141, RJ, Brazil
| | | | - Fabrizio Medici
- Chemistry Department, University of Milan, Via Golgi 19, 20133 Milan, Italy
| | - Sandro José Greco
- Chemistry Department, Federal University of Espírito Santo, Fernando Ferrari Avenue 514, Vitória 29075-910, ES, Brazil
- Correspondence:
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9
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Sambasiva Rao YN, Ghosh P, Mainkar PS, Chandrasekhar S. Access to Spiroindanolactones/lactams through an Aryne Insertion/Spirocyclization Strategy. Org Lett 2022; 24:5372-5375. [DOI: 10.1021/acs.orglett.2c02046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Y. N. Sambasiva Rao
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Palash Ghosh
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Prathama S. Mainkar
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Srivari Chandrasekhar
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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10
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen G, Che C, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022; 61:e202201739. [DOI: 10.1002/anie.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Bijin Lin
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Tilong Yang
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay, Kowloon Hong Kong China
| | - Dequan Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Yang Zhou
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Liangliang Wu
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Jingfei Qiu
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Gen‐Qiang Chen
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- Academy for Advanced Interdisciplinary Studies Southern University of Science and Technology Shenzhen 518055 China
| | - Chi‐Ming Che
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Xumu Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
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11
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12
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Xiong Q, Lu J, Shi L, Ran GY. Pd-Catalyzed Tandem [5 + 2] Cycloaddition/Ring Contraction of Phthalide-Derived Alkenes and Vinylethylene Carbonates for the Construction of Benzo-[5,5]-spiroketal Lactones. Org Lett 2022; 24:3363-3367. [DOI: 10.1021/acs.orglett.2c01114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiang Xiong
- Department of Medicinal Chemistry, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Ji Lu
- College of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Liu Shi
- Department of Medicinal Chemistry, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
| | - Guang-Yao Ran
- Department of Medicinal Chemistry, College of Pharmacy, Chongqing Medical University, Chongqing 400016, China
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13
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Ferreira M, Munaretto LS, Gouvêa DP, Bortoluzzi AJ, Sa MM. Diversity‐Oriented Synthesis of 2‐Iminothiazolidines: Pushing the Boundaries of the Domino Nucleophilic Displacement/Intramolecular anti‐Michael Addition Process. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | | | | | - Marcus M. Sa
- Universidade Federal de Santa Catarina Chemistry campus Trindade 88040-900 Florianopolis BRAZIL
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14
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Das P, Carter C, Shaheen G, Hamme AT. Bromo-lactamization of isoxazole via neighboring group participation: toward spiro-isoxazoline γ- and δ-lactams. RSC Adv 2022; 12:9628-9636. [PMID: 35424956 PMCID: PMC8985116 DOI: 10.1039/d2ra01070d] [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: 02/17/2022] [Accepted: 03/21/2022] [Indexed: 01/06/2023] Open
Abstract
Spiro-heterocycles containing natural products and synthetic analogues have a broader biomedicinal application due to their rigid 3D conformation and structural implications. In this context, constructing spiro-isoxazoline systems have continued our interest in natural products and synthetic units to investigate their novel biological activities. Herein, a bromo-lactamization mediated neighboring group participation approach has been utilized on various isoxazole-amides to construct an array of spiro-isoxazoline-lactams. The easy synthesis with diverse functionalization in the periphery of a novel 3D framework could be interesting for biomedical investigation.
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Affiliation(s)
- Prasanta Das
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Cord Carter
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Gulrukh Shaheen
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
| | - Ashton T Hamme
- Department of Chemistry and Biochemistry, Jackson State University Jackson Mississippi 39217 USA
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15
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen GQ, Che CM, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bijin Lin
- Southern University of Science and Technology Department of Chemistry 518000 Shenzhen CHINA
| | - Tilong Yang
- Hong Kong University of Science and Technology School of Science Department of Chemistry Hongkong CHINA
| | - Dequan Zhang
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Yang Zhou
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Liangliang Wu
- Hong Kong University: University of Hong Kong Department of Chemistry CHINA
| | - Jingfei Qiu
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Gen-Qiang Chen
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Chi-Ming Che
- The University of Hong Kong Department of Chemistry CHINA
| | - Xumu Zhang
- Southern University of Science and Technology Chemistry 1088 Xueyuan Avenue 518055 Shenzhen CHINA
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16
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Quintavalla A, Veronesi R, Speziali L, Martinelli A, Zaccheroni N, Mummolo L, Lombardo M. Allenamides Playing Domino: A Redox‐Neutral Photocatalytic Synthesis of Functionalized 2‐Aminofurans. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Arianna Quintavalla
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Ruben Veronesi
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Laura Speziali
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Ada Martinelli
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Nelsi Zaccheroni
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Liviana Mummolo
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Marco Lombardo
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
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17
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Sun X, Zhou M, Zhu J, Zhang X, Liu Z, Li H, Chen Y, Chen HP, Zhao J, Pu JX, Yu M, Liu JK, Wu B. An Unexpected Photoinduced Cyclization to Synthesize Fully Substituted γ-Spirolactones via Intramolecular Hydrogen Abstraction with Allyl Acrylates. Org Chem Front 2022. [DOI: 10.1039/d1qo01952j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A photoinduced intramolecular cyclization of allyl acrylates to synthesize fully substituted spiro-γ-butyrolactone compounds is described. The reaction is believed to undergo activation of the carbonyl group upon ultraviolet irradiation, 1,4-hydrogen...
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18
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Kaur L, Malhi DS, Cooper R, Kaur M, Sohal HS, Mutreja V, Sharma A. Comprehensive review on ethnobotanical uses, phytochemistry, biological potential and toxicology of Parthenium hysterophorus L.: A journey from noxious weed to a therapeutic medicinal plant. JOURNAL OF ETHNOPHARMACOLOGY 2021; 281:114525. [PMID: 34411657 DOI: 10.1016/j.jep.2021.114525] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 08/02/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
ETHNO-PHARMACOLOGICAL RELEVANCE Parthenium hysterophorus L. is a noxious weed and a species of flowering plant in the Asteraceae family. It is regarded as the seventh most deadly weed in the world: harmful to both humans and livestock. It is widely known as Congress Grass or Feverfew. Despite its pitfalls, P. hysterophorus bestows medicinal effects. Although prolific in nature and difficult to control, many novel applications of this controversial herb have been discovered as an approach to manage the weed. AIM The current review aims to compile all the ethnobotanical, phytochemistry, biological activities and utilities, clinical studies and toxicity data available on P. hysterophorus and its major chemical constituent parthenin. MATERIALS AND METHODS Extensive literature surveyed Google search, Google scholar, Wiley online library, Elsevier, Springer, Science direct, American Chemical Society, Royal Society of Chemistry and Research Gate. RESULT According to the study, P. hysterophorus is utilized as a traditional medicine throughout Central America and the Caribbean. It can be used to treat skin infections, dermatitis, amoebic dysentery, and as an analgesic in the treatment of muscular rheumatism. The extracts obtained from P. hysterophorus have anti-inflammatory, antioxidant, larvicidal, anti-microbial, insecticidal, hypoglycaemic and anti-cancer activity. CONCLUSION The earlier investigations confirmed that P. hysterophorus has numerous traditional and biological applications. However, the scientific data are limited in clinical and toxicological studies. Therefore, further research is required on clinical and toxicological aspects to understand the complete potential and effects of P. hysterophorus.
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Affiliation(s)
- Loveleen Kaur
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Dharambeer Singh Malhi
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Raymond Cooper
- Dept Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong
| | - Manvinder Kaur
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Harvinder Singh Sohal
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Vishal Mutreja
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India
| | - Ajay Sharma
- Medicinal and Natural Product Laboratory, Department of Chemistry, University Institute of Sciences, Chandigarh University, Gharuan, Mohali, 140413, India.
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Kumar R, Singh FV, Takenaga N, Dohi T. Asymmetric Direct/Stepwise Dearomatization Reactions Involving Hypervalent Iodine Reagents. Chem Asian J 2021; 17:e202101115. [PMID: 34817125 DOI: 10.1002/asia.202101115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/19/2021] [Indexed: 01/06/2023]
Abstract
A remarkable growth in hypervalent iodine-mediated oxidative transformations as stoichiometric reagents as well as catalysts has been well-documented due to their excellent properties, such as mildness, easy handling, high selectivity, environmentally friendly nature, and high stability. This review aims at highlighting the asymmetric oxidative dearomatization reactions involving hypervalent iodine compounds. The present article summarizes asymmetric intra- and intermolecular dearomatization reactions using chiral hypervalent iodine reagents/catalysts as well as hypervalent iodine-mediated dearomatization reactions followed by desymmetrization.
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Affiliation(s)
- Ravi Kumar
- Department of Chemistry, J. C. Bose University of Science & Technology, YMCA Faridabad, NH-2, Sector-6, Mathura Road, Faridabad, Haryana, 121006, India
| | - Fateh V Singh
- Chemistry Division, School of Advanced Sciences (SAS), Vellore Institute of Technology - Chennai, Chennai, 600127, Tamil Nadu, India
| | - Naoko Takenaga
- Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya, 468-8503, Japan
| | - Toshifumi Dohi
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-0058, Japan
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20
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Romaniszyn M, Gronowska K, Albrecht Ł. Remote Functionalization of 4‐(Alk‐1‐en‐1‐yl)‐3‐Cyanocoumarins via the Asymmetric Organocatalytic 1,6‐Addition. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100660] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Marta Romaniszyn
- Institute of Organic Chemistry Faculty of Chemistry Lodz University of Technology Zeromskiego 116 90-924 Łódź Poland
| | - Katarzyna Gronowska
- Institute of Organic Chemistry Faculty of Chemistry Lodz University of Technology Zeromskiego 116 90-924 Łódź Poland
| | - Łukasz Albrecht
- Institute of Organic Chemistry Faculty of Chemistry Lodz University of Technology Zeromskiego 116 90-924 Łódź Poland
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21
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Zhao Y, Wang X, Yao R, Li C, Xu Z, Zhang L, Han G, Hou J, Liu Y, Song Y. Iron‐Catalyzed Alkene Trifluoromethylation in Tandem with Phenol Dearomatizing Spirocyclization: Regioselective Construction of Trifluoromethylated Spirocarbocycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yilin Zhao
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Xue Wang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Ru Yao
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Chengwen Li
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Zelin Xu
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Liming Zhang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Guifang Han
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Jingli Hou
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Yangping Liu
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
| | - Yuguang Song
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics School of Pharmacy The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics School of Basic Medical Sciences Tianjin Medical University Tianjin 300070 People's Republic of China
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22
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Zhao H, Zhang Z, Lu W, Han P, Wang W, Jing L. 3-Carboxamide oxindoles as 1,3-C,N-bisnucleophiles for the highly diastereoselective synthesis of CF3-containing spiro-δ-lactam oxindoles featuring acyl at the ortho-position of spiro carbon atom. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Paulose SK, Chakraborty K. Antioxidant spiropharanone, an undescribed variant of trans-decalin spiro-γ-lactone, from pharaoh cuttlefish Sepia pharaonis: Twin inhibitors of inflammatory 5-lipoxygenase and serine protease dipeptidyl peptidase-4. J Food Biochem 2021; 45:e13919. [PMID: 34486135 DOI: 10.1111/jfbc.13919] [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: 05/29/2021] [Revised: 08/18/2021] [Accepted: 08/23/2021] [Indexed: 12/16/2022]
Abstract
Marine pharaoh cuttlefish Sepia pharaonis (family Sepiidae) is regarded as an economically important class of cephalopod in the coastal Mediterranean and Asian regions. Bioassay-guided chromatographic purification of solvent extract of S. pharaonis led to the identification of a trans-decalin based spirolactone, spiropharanone, which was characterized as 1-hydroxy-7-(4'-methoxy-3-methylbut-2-enyl)-3,9,15-trimethyl-8-oxo-octahydro-5H-spiro[furan-8,9-naphtho]-8-yl-acetate by spectroscopic techniques. Spiropharanone exhibited significantly greater anti-inflammatory activity by attenuating pro-inflammatory 5-lipoxygenase (IC50 1.02 mM) than the non-steroidal drug ibuprofen (IC50 4.61 mM, p ≤ .05). Superior antioxidant properties of spiropharanone against free radicals (EC50 ~1.20 mM) and other oxidants (hydroxyl [EC50 0.97 mM] and superoxide [EC50 1.47 mM] scavenging) also reinforced its promising anti-inflammatory activity. The studied spiropharanone also exhibited significant attenuation toward insulin secretion regulating enzyme dipeptidyl peptidase-4 (IC50 0.92 mM) recognizing its anti-hyperglycemic potential. Significantly higher electronic properties (topological polar surface area ~100) combined with balanced hydrophilic-lipophilic properties (partition coefficient of logarithmic octanol-water ~3) and lesser docking parameters of spiropharanone demonstrated that the compound could be utilized as an important bioactive lead against oxidative stress, inflammation, and hyperglycemic-related ailments. PRACTICAL APPLICATIONS: Nutritionally rich edible marine pharaoh cuttlefish Sepia pharaonis occupies a prominent place among seafood fisheries owing to the presence of bioactive nutrients and functional food ingredients. These marine cuttlefish are widely distributed along the Asian and Mediterranean coasts, and consumed as culinary delicacy for decades. An undescribed trans-decalin spirolactone, spiropharanone was isolated from the organic extract of S. pharaonis based on bioactivity-assisted sequential chromatographic fractionation. Spiropharanone displayed promising antioxidant potential along with attenuation properties against inducible pro-inflammatory 5-lipoxygenase and insulin secretion regulating enzyme dipeptidyl peptidase-4. This study established the ameliorating potential of a naturally derived marine food constituent against inflammatory and diabetic ailments, and thus anticipated as functional food lead in pharmaceutical formulations towards inflammation and maintaining glucose homeostasis.
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Affiliation(s)
- Silpa Kunnappilly Paulose
- Marine Bioprospecting Section of Marine Biotechnology Division, Central Marine Fisheries Research Institute, Cochin, India.,Department of Chemistry, Mangalore University, Mangalagangothri, India
| | - Kajal Chakraborty
- Marine Bioprospecting Section of Marine Biotechnology Division, Central Marine Fisheries Research Institute, Cochin, India
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24
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Jaithum K, Tummatorn J, Boekfa B, Thongsornkleeb C, Chainok K, Ruchirawat S. Diastereoselective Synthesis of Spirocyclic Ether from
ortho
‐Carbonylarylacetylenols via Silver‐Catalyzed Cyclization under Acidic Conditions. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kanokwan Jaithum
- Center of Excellence on Environmental Health and Toxicology (EHT) Ministry of Education 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
| | - Jumreang Tummatorn
- Center of Excellence on Environmental Health and Toxicology (EHT) Ministry of Education 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
- Laboratory of Medicinal Chemistry Chulabhorn Research Institute 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
| | - Bundet Boekfa
- Department of Chemistry Faculty of Liberal Arts and Science Kasetsart University Kamphaeng Saen Campus Nakhon Pathom 73140 Thailand
| | - Charnsak Thongsornkleeb
- Center of Excellence on Environmental Health and Toxicology (EHT) Ministry of Education 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
- Laboratory of Organic Synthesis Chulabhorn Research Institute 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
| | - Kittipong Chainok
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA) Faculty of Science and Technology Thammasat University Pathum Thani 12121 Thailand
| | - Somsak Ruchirawat
- Center of Excellence on Environmental Health and Toxicology (EHT) Ministry of Education 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
- Laboratory of Medicinal Chemistry Chulabhorn Research Institute 54 Kamphaeng Phet 6, Laksi Bangkok 10210 Thailand
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25
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Adeola HA, Bano A, Vats R, Vashishtha A, Verma D, Kaushik D, Mittal V, Rahman MH, Najda A, Albadrani GM, Sayed AA, Farouk SM, Hassanein EHM, Akhtar MF, Saleem A, Abdel-Daim MM, Bhardwaj R. Bioactive compounds and their libraries: An insight into prospective phytotherapeutics approach for oral mucocutaneous cancers. Biomed Pharmacother 2021; 141:111809. [PMID: 34144454 DOI: 10.1016/j.biopha.2021.111809] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 02/06/2023] Open
Abstract
Oral mucocutaneous cancers (OMCs) are cancers that affect both the oral mucosa and perioral cutaneous structures. Common OMCs are squamous cell carcinoma (SCC), basal cell carcinoma (BCC) and malignant melanoma (MM). Anatomical similarities and conventions which categorizes these lesions blur the magnitude of OMCs in diverse populations. The burden of OMC is high in the sub-Saharan Africa and Indian subcontinents, and the cost of management is prohibitive in the resource-limited, developing world. Hence, there is a pressing demand for the use of cost-effective in silico approaches to identify diagnostic tools and treatment targets for diseases with high burdens in these regions. Due to their ubiquitousness and accessibility, the use of therapeutic efficacy of plant bioactive compounds in the management of OMC is both appropriate and plausible. Furthermore, screening known mechanistic disease targets with well annotated plant bioactive compound libraries is poised to improve the routine management of OMCs provided that the requisite access to database resources are available and accessible. Using natural products minimizes the side effects and morbidities associated with conventional therapies. The development of innovative treatments approaches would tremendously benefit the African and Indian populace and reduce the mortalities associated with OMCs in the developing world. Hence, we discuss herein, the potential benefits, opportunities and challenges of using bioactive compound libraries in the management of OMCs.
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Affiliation(s)
- Henry A Adeola
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, University of the Western Cape and Tygerberg Hospital, Cape Town, South Africa; Division of Dermatology, Department of Medicine, Faculty of Health Sciences and Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa.
| | - Afsareen Bano
- Centre for Medical Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India.
| | - Ravina Vats
- Centre for Medical Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India.
| | - Amit Vashishtha
- Deptartment Of Botany, Sri Venkateswara college, University of Delhi, India.
| | | | - Deepak Kaushik
- Department of Pharmaceutical sciences, Maharshi Dayanand University Rohtak, 124001, India.
| | - Vineet Mittal
- Department of Pharmaceutical sciences, Maharshi Dayanand University Rohtak, 124001, India.
| | - Md Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka 1213, Bangladesh.
| | - Agnieszka Najda
- Department of Vegetable Crops and Medicinal Plants University of Life Sciences in Lublin 50A Doświadczalna Street, 20-280 Lublin, Poland.
| | - Ghadeer M Albadrani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11474, Saudi Arabia.
| | - Amany A Sayed
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt.
| | - Sameh M Farouk
- Cytology and Histology Department, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, Egypt.
| | - Emad H M Hassanein
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt.
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore Campus, Pakistan.
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Pakistan.
| | - Mohamed M Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt.
| | - Rashmi Bhardwaj
- Centre for Medical Biotechnology, Maharshi Dayanand University, Rohtak, Haryana, India.
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26
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Quintavalla A, Veronesi R, Carboni D, Martinelli A, Zaccheroni N, Mummolo L, Lombardo M. Chemodivergent Photocatalytic Synthesis of Dihydrofurans and β,γ‐Unsaturated Ketones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100260] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Arianna Quintavalla
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Ruben Veronesi
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Davide Carboni
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Ada Martinelli
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Nelsi Zaccheroni
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Liviana Mummolo
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
| | - Marco Lombardo
- Alma Mater Studiorum – University of Bologna Department of Chemistry “G. Ciamician” Via Selmi 2 40126 Bologna Italy
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Wei HZ, Wei Y, Shi M. Intramolecular difunctionalization of methylenecyclopropanes tethered with carboxylic acid by visible-light photoredox catalysis. Org Chem Front 2021. [DOI: 10.1039/d1qo00564b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
We have developed a visible-light photoredox catalyzed intramolecular difunctionalization of MCPs to access spiro[cyclopropane-1,2-indan]one from easily prepared methylenecyclopropanes tethered with carboxylic acid.
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Affiliation(s)
- Hao-Zhao Wei
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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29
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Dong P, Chen L, Yang Z, Dong S, Feng X. Asymmetric cycloisomerization/[3 + 2] cycloaddition for the synthesis of chiral spiroisobenzofuran-1,3′-pyrrolidine derivatives. Org Chem Front 2021. [DOI: 10.1039/d1qo01194d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An asymmetric tandem cycloisomerization/[3 + 2] cycloaddition reaction of 2,2′-diester aziridine and 2-ethynyl benzyl alcohol with Au(i)/chiral N,N′-dioxide−Dy(iii) as a relay catalyst system was developed.
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Affiliation(s)
- Pei Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Long Chen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Zhendong Yang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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30
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Estruch-Blasco M, Bosque I, Guijarro D, Gonzalez-Gomez JC. Electrochemically site-selective alkoxylation of twisted 2-arylbenzoic acids via spirolactonization. Org Chem Front 2021. [DOI: 10.1039/d1qo00834j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Twisted σ-biphenyl-2-carboxyl radicals show a significant spin density in the adjacent aryl ring, facilitating the spirocyclization. Electro-cross coupling with alcohols and isomerization provide a site-selective alkoxylation of 2-arylbenzoic acids.
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Affiliation(s)
- Manel Estruch-Blasco
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Irene Bosque
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - David Guijarro
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Jose C. Gonzalez-Gomez
- Instituto de Síntesis Orgánica (ISO) and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
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31
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Wang KK, Li YL, Guo DG, Pan PT, Sun A, Chen R. Synthesis of spiro[4.4]thiadiazole derivatives via double 1,3-dipolar cycloaddition of hydrazonyl chlorides with carbon disulfide. RSC Adv 2021; 11:18404-18407. [PMID: 35480901 PMCID: PMC9033500 DOI: 10.1039/d1ra03229a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 05/17/2021] [Indexed: 12/11/2022] Open
Abstract
An operationally simple and convenient synthesis method toward a series of diverse spiro[4.4]thiadiazole derivatives via double [3 + 2] 1,3-dipolar cycloaddition of nitrilimines generated in situ from hydrazonyl chlorides with carbon disulfide has been achieved under mild reaction conditions. A simple and convenient synthesis method for spiro[4.4]thiadiazole derivatives via double [3 + 2] 1,3-dipolar cycloaddition of nitrilimines generated in situ from hydrazonyl chlorides with carbon disulfide has been achieved.![]()
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Affiliation(s)
- Kai-Kai Wang
- School of Pharmacy
- Key Laboratory of Nano-carbon Modified Film Technology Engineering of Henan Province
- Xinxiang 453000
- P. R. China
| | - Yan-Li Li
- Medical College
- Xinxiang University
- Xinxiang 453000
- P. R. China
| | - Dong-Guang Guo
- School of Life Sciences and Basic Medicine
- Xinxiang University
- Xinxiang 453000
- P. R. China
| | - Peng-Tao Pan
- Medical College
- Xinxiang University
- Xinxiang 453000
- P. R. China
| | - Aili Sun
- School of Pharmacy
- Key Laboratory of Nano-carbon Modified Film Technology Engineering of Henan Province
- Xinxiang 453000
- P. R. China
| | - Rongxiang Chen
- School of Pharmacy
- Key Laboratory of Nano-carbon Modified Film Technology Engineering of Henan Province
- Xinxiang 453000
- P. R. China
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32
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Lin B, Zhang X, Zhou CY, Che CM. A PEGylated N-heterocyclic carbene-gold( i) complex: an efficient catalyst for cyclization reaction in water. Org Chem Front 2021. [DOI: 10.1039/d0qo01266a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A recyclable, PEGylated N-heterocyclic carbene(NHC)–gold(i) catalyst was synthesized, which exhibited high reactivity and regio-selectivity in the cyclization of alkynoic acids and cascade reaction of tryptamine and alkynoic acids in water.
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Affiliation(s)
- Bijin Lin
- State Key Laboratory of Synthetic Chemistry
- Department of Chemistry
- The University of Hong Kong
- China
- Department of Chemistry
| | - Xumu Zhang
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518000
- China
| | - Cong-Ying Zhou
- State Key Laboratory of Synthetic Chemistry
- Department of Chemistry
- The University of Hong Kong
- China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry
- Department of Chemistry
- The University of Hong Kong
- China
- Department of Chemistry
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33
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34
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Abstract
Spirocyclic scaffolds are incorporated in various approved drugs and drug candidates. The increasing interest in less planar bioactive compounds has given rise to the development of synthetic methodologies for the preparation of spirocyclic scaffolds. In this Perspective, we summarize the diverse synthetic routes to obtain spirocyclic systems. The impact of spirocycles on potency and selectivity, including the aspect of stereochemistry, is discussed. Furthermore, we examine the changes in physicochemical properties as well as in in vitro and in vivo ADME using selected studies that compare spirocyclic compounds to their nonspirocyclic counterparts. In conclusion, the value of spirocyclic scaffolds in medicinal chemistry is discussed.
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Affiliation(s)
- Kerstin Hiesinger
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue Straße 9, D-60348 Frankfurt am Main, Germany
| | - Dmitry Dar'in
- Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia
| | - Ewgenij Proschak
- Institute of Pharmaceutical Chemistry, Goethe University, Max-von-Laue Straße 9, D-60348 Frankfurt am Main, Germany
| | - Mikhail Krasavin
- Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia
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35
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Chang MY, Chen KT, Chen HY. One-pot construction of dispirocyclohexanes via K 2CO 3-mediated desulfonylative Michael-Michael-aldol (2 + 2 + 2) annulation of sulfonyl 2-pyridyl flavanones and methylketones. Org Biomol Chem 2020; 18:6297-6311. [PMID: 32744268 DOI: 10.1039/d0ob01404d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
K2CO3-mediated one-pot tandem conversion from sulfonyl 2-pyridyl flavanones to dipyridyl dispirocyclohexanes with contiguous multiple stereogenic centers was accomplished in good yields via an intramolecular desulfonylative ring-contraction of sulfonyl 2-pyridyl flavanones followed by an intermolecular Michael-Michael-aldol (2 + 2 + 2) annulation of the resulting pyridyl aurone intermediate with methyl ketones under facile, open-vessel, inexpensive and environmentally friendly reaction conditions. A plausible mechanism is proposed and discussed herein. This protocol provides a highly effective ring-closure via three carbon-carbon (C-C) bond formation.
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Affiliation(s)
- Meng-Yang Chang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan. and Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Kuan-Ting Chen
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Han-Yu Chen
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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36
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Xiong Z, Tian J, Xue P, Zhang X, Lv H. Enantioselective synthesis of chiral multicyclic γ-lactones via dynamic kinetic resolution of racemic γ-keto carboxylic acids. Org Chem Front 2020. [DOI: 10.1039/c9qo01047e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ru-Catalyzed asymmetric transfer hydrogenation of γ-keto carboxylic acids has been achieved, affording chiral multicyclic γ-lactones in high yields with excellent diastereo- and enantioselectivities.
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Affiliation(s)
- Zhichao Xiong
- Key Laboratory of Biomedical Polymers of Ministry of Education & College of Chemistry and Molecular Sciences
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- Sauvage Center for Molecular Sciences
- Wuhan University
| | - Jiangyan Tian
- Key Laboratory of Biomedical Polymers of Ministry of Education & College of Chemistry and Molecular Sciences
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- Sauvage Center for Molecular Sciences
- Wuhan University
| | - Peng Xue
- Key Laboratory of Biomedical Polymers of Ministry of Education & College of Chemistry and Molecular Sciences
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- Sauvage Center for Molecular Sciences
- Wuhan University
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry
- South University of Science and Technology of China
- Shenzhen
- P. R. China
| | - Hui Lv
- Key Laboratory of Biomedical Polymers of Ministry of Education & College of Chemistry and Molecular Sciences
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- Sauvage Center for Molecular Sciences
- Wuhan University
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37
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Su Y, Zhao Y, Chang B, Ling Q, Feng Y, Zhao X, Huang D, Wang KH, Huo C, Hu Y. Diastereoselective synthesis of spiro-cyclopropanyl-cyclohexadienones via direct sulfide-catalyzed [2 + 1] annulation of para-quinone methides with bromides. Org Biomol Chem 2020; 18:4257-4266. [DOI: 10.1039/d0ob00778a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A sulfide-catalyzed [2 + 1] annulation of para-quinone methides with diverse bromides was disclosed to access appealing spiro-cyclopropanyl-cyclohexadienones with high diastereoselectivity.
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Affiliation(s)
- Yingpeng Su
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Yanan Zhao
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Bingbing Chang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Qinqin Ling
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Yawei Feng
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Xiaolong Zhao
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Danfeng Huang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Ke-Hu Wang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Congde Huo
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
| | - Yulai Hu
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou 730070
- P. R. China
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38
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Li T, Yan D, Cui C, Song X, Chang J. A thermal decarboxylative Cloke–Wilson rearrangement of dispirocyclopropanes derived from para-quinone methides and bromo-Meldrum's acids: an approach to synthesize spirobutyrolactone para-dienones. Org Chem Front 2020. [DOI: 10.1039/d0qo00770f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
An unprecedented approach to synthesize spirobutyrolactone para-dienones from para-quinone methides and bromo-Meldrum's acids has been developed.
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Affiliation(s)
- Tong Li
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Dandan Yan
- Shanghai Gengcai New Material Technology Co. Ltd
- Shanghai 201108
- China
| | - Chaoxing Cui
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Xixi Song
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
| | - Junbiao Chang
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
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39
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M. Cerda-Garcia-Rojas C, E. del Río R, Talavera-Alemán A, A. Gómez-Hurtado M, Rodríguez-García G, Ochoa-Zarzosa A, Thomassigny C, Joseph-Nathan P. Preparation and Cytotoxic Evaluation of Vouacapane Oxidation Products. HETEROCYCLES 2020. [DOI: 10.3987/com-19-14195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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40
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Chupakhin E, Babich O, Prosekov A, Asyakina L, Krasavin M. Spirocyclic Motifs in Natural Products. Molecules 2019; 24:E4165. [PMID: 31744211 PMCID: PMC6891393 DOI: 10.3390/molecules24224165] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/03/2019] [Accepted: 11/12/2019] [Indexed: 02/07/2023] Open
Abstract
Spirocyclic motifs are emerging privileged structures for drug discovery. They are also omnipresent in the natural products domain. However, until today, no attempt to analyze the structural diversity of various spirocyclic motifs occurring in natural products and their relative populations with unique compounds reported in the literature has been undertaken. This review aims to fill that void and analyze the diversity of structurally unique natural products containing spirocyclic moieties of various sizes.
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Affiliation(s)
- Evgeny Chupakhin
- Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Alexandra Nevskogo 14, Russia; (E.C.); (O.B.)
| | - Olga Babich
- Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Alexandra Nevskogo 14, Russia; (E.C.); (O.B.)
- Kemerovo State University, 650000 Krasnaya, Kemerovo, Russia; (A.P.); (L.A.)
| | - Alexander Prosekov
- Kemerovo State University, 650000 Krasnaya, Kemerovo, Russia; (A.P.); (L.A.)
| | - Lyudmila Asyakina
- Kemerovo State University, 650000 Krasnaya, Kemerovo, Russia; (A.P.); (L.A.)
| | - Mikhail Krasavin
- Immanuel Kant Baltic Federal University, 236016 Kaliningrad, Alexandra Nevskogo 14, Russia; (E.C.); (O.B.)
- Saint Petersburg State University, 199034 Saint Petersburg, Russia
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41
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Chen T, Zhang Y, Fu Z, Huang W. Cyclopropanation of Fluorinated Sulfur Ylides with 1‐Azadienes: Facile Synthesis of CF
3
‐Substituted Spiro Scaffolds. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900651] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Tao Chen
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Ye Zhang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Zhenqian Fu
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech University 30 South Puzhu Road Nanjing 211816 China
- Shaanxi Institute of Flexible Electronics (SIFE)Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials Jiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech University 30 South Puzhu Road Nanjing 211816 China
- Shaanxi Institute of Flexible Electronics (SIFE)Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 China
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42
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Sengoku T, Shirai A, Takano A, Inuzuka T, Sakamoto M, Takahashi M, Yoda H. Divergent Synthesis of Methylene Lactone- and Methylene Lactam-Based Spiro Compounds: Utility of Amido-Functionalized γ-Hydroxylactam as a Precursor for Cytotoxic N,O- and N,N-Spiro Compounds. J Org Chem 2019; 84:12532-12541. [DOI: 10.1021/acs.joc.9b02038] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Tetsuya Sengoku
- Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8561, Japan
| | - Anna Shirai
- Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8561, Japan
| | - Ayaka Takano
- Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8561, Japan
| | - Toshiyasu Inuzuka
- Division of Instrumental Analysis, Life Science Research Center, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Masami Sakamoto
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
| | - Masaki Takahashi
- Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8561, Japan
| | - Hidemi Yoda
- Department of Applied Chemistry, Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Naka-ku, Hamamatsu 432-8561, Japan
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43
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Liu MM, Yang XC, Hua YZ, Chang JB, Wang MC. Dinuclear Zinc-Catalyzed Asymmetric Tandem Reaction of α-Hydroxy-1-indanone: Access to Spiro[1-indanone-5,2′-γ-butyrolactones]. Org Lett 2019; 21:7089-7093. [DOI: 10.1021/acs.orglett.9b02658] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Meng-Meng Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People’s Republic of China
| | - Xiao-Chao Yang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People’s Republic of China
| | - Yuan-Zhao Hua
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People’s Republic of China
| | - Jun-Biao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People’s Republic of China
| | - Min-Can Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan 450001, People’s Republic of China
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44
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Li H, Subbotina E, Bunrit A, Wang F, Samec JSM. Functionalized spirolactones by photoinduced dearomatization of biaryl compounds. Chem Sci 2019; 10:3681-3686. [PMID: 30996963 PMCID: PMC6438148 DOI: 10.1039/c8sc05476b] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 02/18/2019] [Indexed: 11/21/2022] Open
Abstract
The idea of using biaryl structures to generate synthetic building blocks such as spirolactones is attractive because biaryl structures are abundant in biomass waste streams. However, the inertness of aromatic rings of biaryls makes it challenging to transform them into functionalized structures. In this work, we developed photoinduced dearomatization of nonphenolic biaryl compounds to generate spirolactones. We demonstrate that dearomatization can be performed via either aerobic photocatalysis or anaerobic photooxidation to tolerate specific synthetic conditions. In both pathways, dearomatization is induced by electrophilic attack of the carboxyl radical. The resulting spirodiene radical is captured by either oxygen or water in aerobic and anaerobic systems, respectively, to generate the spirodienone. These methods represent novel routes to synthesize spirolactones from the biaryl motif.
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Affiliation(s)
- Hongji Li
- State Key Laboratory of Catalysis (SKLC) , Dalian National Laboratory for Clean Energy (DNL) , Dalian Institute of Chemical Physics (DICP) , Dalian 116023 , China .
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Elena Subbotina
- Department of Organic Chemistry , Stockholm University , SE-106 91 , Stockholm , Sweden .
| | - Anon Bunrit
- State Key Laboratory of Catalysis (SKLC) , Dalian National Laboratory for Clean Energy (DNL) , Dalian Institute of Chemical Physics (DICP) , Dalian 116023 , China .
- Department of Organic Chemistry , Stockholm University , SE-106 91 , Stockholm , Sweden .
| | - Feng Wang
- State Key Laboratory of Catalysis (SKLC) , Dalian National Laboratory for Clean Energy (DNL) , Dalian Institute of Chemical Physics (DICP) , Dalian 116023 , China .
| | - Joseph S M Samec
- Department of Organic Chemistry , Stockholm University , SE-106 91 , Stockholm , Sweden .
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45
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Ge S, Cao W, Kang T, Hu B, Zhang H, Su Z, Liu X, Feng X. Bimetallic Catalytic Asymmetric Tandem Reaction of β‐Alkynyl Ketones to Synthesize 6,6‐Spiroketals. Angew Chem Int Ed Engl 2019; 58:4017-4021. [DOI: 10.1002/anie.201812842] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 02/01/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Shulin Ge
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Weidi Cao
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Tengfei Kang
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Bowen Hu
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Hang Zhang
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Zhishan Su
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
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46
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Skrzyńska A, Frankowski S, Moczulski M, Drelich P, Albrecht Ł. Site-Selective and Enantioselective α,β,γ-Functionalization of 5-Alkylidenefuran-2(5 H)-ones: A Route to Polycyclic γ-Lactones. Org Lett 2019; 21:1248-1252. [PMID: 30746947 DOI: 10.1021/acs.orglett.8b03796] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A new strategy for a direct α,β,γ-functionalization of the γ-lactone framework in the corresponding 5-alkylidenefuran-2(5 H)-ones is reported. The developed approach is based on a stereocontrolled cascade reaction with 2-mercaptocarbonyl compounds proceeding in a sequence of thia-Michael/aldol/oxa-Michael reactions. Such a synthetic strategy allows for a construction of a unique polycyclic architecture containing γ-lactone, tetrahydrofuran, and tetrahydrothiophene ring systems. Excellent enantioselectivities and diastereoselectivities have been obtained in the presence of bifunctional catalyst derived from cinchona alkaloids.
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Affiliation(s)
- Anna Skrzyńska
- Institute of Organic Chemistry , Lodz University of Technology , Żeromskiego 116 , 90-924 Łódź , Poland
| | - Sebastian Frankowski
- Institute of Organic Chemistry , Lodz University of Technology , Żeromskiego 116 , 90-924 Łódź , Poland
| | - Marek Moczulski
- Institute of Organic Chemistry , Lodz University of Technology , Żeromskiego 116 , 90-924 Łódź , Poland
| | - Piotr Drelich
- Institute of Organic Chemistry , Lodz University of Technology , Żeromskiego 116 , 90-924 Łódź , Poland
| | - Łukasz Albrecht
- Institute of Organic Chemistry , Lodz University of Technology , Żeromskiego 116 , 90-924 Łódź , Poland
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47
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Ge S, Cao W, Kang T, Hu B, Zhang H, Su Z, Liu X, Feng X. Bimetallic Catalytic Asymmetric Tandem Reaction of β‐Alkynyl Ketones to Synthesize 6,6‐Spiroketals. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812842] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Shulin Ge
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Weidi Cao
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Tengfei Kang
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Bowen Hu
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Hang Zhang
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Zhishan Su
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry and TechnologyMinistry of EducationCollege of Chemistry, Sichuan University Chengdu 610064 China
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48
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Gao Y, Liu D, Fu Z, Huang W. Facile Synthesis of 2,2-Diacyl Spirocyclohexanones via an N-Heterocyclic Carbene-Catalyzed Formal [3C + 3C] Annulation. Org Lett 2019; 21:926-930. [PMID: 30714381 DOI: 10.1021/acs.orglett.8b03892] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A novel strategy for the construction of 2,2-diacyl spirocyclohexanones 3 has been demonstrated on the basis of an NHC-catalyzed [3C + 3C] annulation of potassium 2-oxo-3-enoates with 2-ethylidene 1,3-indandiones. Furthermore, enantioenriched 3 was obtained in good to excellent yields with good enantioselectivities when chiral N-heterocyclic carbene (NHC) was employed. Notably, ring opening of the resulting 2,2-diacyl spirocyclohexanones 3 with hydrazine led to the formation of phthalazinones in good to excellent yields.
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Affiliation(s)
- Yaru Gao
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Dehai Liu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Zhenqian Fu
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Wei Huang
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
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49
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Wang C, Roisnel T, Dixneuf PH, Soulé J. Access to 3‐(2‐Oxoalkyl)‐azaspiro[4.5]trienones
via
Acid‐Triggered Oxidative Cascade Reaction through Alkenyl Peroxide Radical Intermediate. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801203] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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50
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Skrzyńska A, Drelich P, Frankowski S, Albrecht Ł. Synthesis of γ,γ-Disubstituted Butenolides through a Doubly Vinylogous Organocatalytic Cycloaddition. Chemistry 2018; 24:16543-16547. [DOI: 10.1002/chem.201804650] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Anna Skrzyńska
- Institute of Organic Chemistry; Faculty of Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
| | - Piotr Drelich
- Institute of Organic Chemistry; Faculty of Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
| | - Sebastian Frankowski
- Institute of Organic Chemistry; Faculty of Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
| | - Łukasz Albrecht
- Institute of Organic Chemistry; Faculty of Chemistry; Lodz University of Technology; Żeromskiego 116 90-924 Łódź Poland
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