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Miao H, Wang ZX. Ruthenium‐Catalyzed Oxidative Cross Coupling of Alkenes with Triisopropylsilylacetylene. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hong Miao
- University of Science and Technology of China Department of Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Zhong-Xia Wang
- University of Science & Technology of China Chemistry 96 Jinzhai Road 230026 Hefei CHINA
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Sokov SA, Zlotsky SS, Vologzhanina AV, Golovanov AA. Original Synthesis of Enyne Dicarboxylic Acids. DOKLADY CHEMISTRY 2022. [DOI: 10.1134/s0012500822600079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Odin IS, Chertov AY, Grigor'eva OB, Golovanov AA. Ketone Derivatives of Propargylamines as Synthetic Equivalents of Conjugated 2,4,1-Enynones in the Synthesis of Acetylenic 2-Pyrazolines and Pyrazoles. J Org Chem 2022; 87:5916-5924. [PMID: 35394780 DOI: 10.1021/acs.joc.2c00198] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An interaction of 1,5-diaryl-3-X-pent-4-yn-1-ones (where X stands for piperidin-1-yl, morpholin-4-yl, 4-methylpiperazin-1-yl) with arylhydrazines proceeds at room temperature and results in 3-aryl-5-arylethynyl-1-phenyl-4,5-dihydro-1H-pyrazoles with up to 57-73% yields. Under similar conditions, the cyclocondensation of conjugated 2,4,1-enynones with arylhydrazine proceeds only in the presence of cyclic amines. 1,5-Diaryl-3-X-pent-4-yn-1-ones are reported as synthetic equivalents of conjugated 2,4,1-enynones in reactions with arylhydrazines. On the basis of obtained data, there are highly efficient methods developed for the synthesis of 5-arylethynyl-substituted 4,5-dihydro-1H-pyrazoles, as well as for similarly structured 1H-pyrazoles prepared by oxidation in AcOH. Presented products possess quite marked fluorescent abilities. Emission maximum wavelengths are located at 453-465 and 363-400 nm, respectively; certain compounds show extremely large Stokes shifts that may reach 91,000 cm-1.
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Affiliation(s)
- Ivan S Odin
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
| | - Anton Yu Chertov
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
| | - Olga B Grigor'eva
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
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Michael Addition of 3-Oxo-3-phenylpropanenitrile to Linear Conjugated Enynones: Approach to Polyfunctional δ-Diketones as Precursors for Heterocycle Synthesis. Molecules 2022; 27:molecules27041256. [PMID: 35209045 PMCID: PMC8877045 DOI: 10.3390/molecules27041256] [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: 01/25/2022] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 02/05/2023] Open
Abstract
Reaction of linear conjugated enynones, 1,5-diarylpent-2-en-4-yn-1-ones [Ar1C≡CCH=CHC(=O)Ar2], with 3-oxo-3-phenylpropanenitrile (NCCH2COPh) in the presence of sodium methoxide MeONa as a base in MeOH at room temperature for 4–26 h affords polyfunctional δ-diketones as a product of regioselective Michael addition to the double carbon–carbon bond of starting enynones. The δ-diketones have been formed as mixtures of two diastereomers in a ratio of 2.5:1 in good general yields of 53–98%. A synthetic potential of the obtained δ-diketones has been demonstrated by heterocyclization with hydrazine into substututed 5,6-dihydro-4H-1,2-diazepine.
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Itakhunov RN, Odin IS, Gusev DM, Grabovskiy SA, Gordon KV, Vologzhanina AV, Sokov SA, Sosnin IM, Golovanov AA. Cyclization of arylhydrazones of cross-conjugated enynones: synthesis of luminescent styryl-1 H-pyrazoles and propenyl-1 H-pyrazoles. Org Biomol Chem 2022; 20:8693-8713. [DOI: 10.1039/d2ob01427k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
On the basis of available ethynyl vinyl ketones and arylhydrazines, the authors have developed the two-stage synthesis method for styrylpyrazoles possessing fluorescent abilities, as well as the gram-scale synthesis method for fluorescent probes.
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Affiliation(s)
- Radik N. Itakhunov
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Ivan S. Odin
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Dmitry M. Gusev
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Stanislav A. Grabovskiy
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
- Laboratory of Chemical Kinetics, Ufa Institute of Chemistry, UFRS of the Russian Academy of Science, October Av. 71, Ufa, 450054, Russia
| | - Kareem V. Gordon
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Anna V. Vologzhanina
- Laboratory for X-Ray Diffraction Studies – X-Ray Structural Centre (XRSC), A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Science, 28 Vavilova Str., Moscow, 119334, Russia
| | - Sergey A. Sokov
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Ilya M. Sosnin
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
| | - Alexander A. Golovanov
- S. P. Korshunov Research Laboratory No. 13, Department Chemical Technology and Resource Conservation, Togliatti State University, Belorusskaya Str. 14, Togliatti, 445020, Russia
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Helesbeux JJ, Carro L, McCarthy FO, Moreira VM, Giuntini F, O’Boyle N, Matthews SE, Bayraktar G, Bertrand S, Rochais C, Marchand P. 29th Annual GP2A Medicinal Chemistry Conference. Pharmaceuticals (Basel) 2021; 14:ph14121278. [PMID: 34959677 PMCID: PMC8708472 DOI: 10.3390/ph14121278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 11/18/2021] [Indexed: 11/16/2022] Open
Abstract
The 29th Annual GP2A (Group for the Promotion of Pharmaceutical chemistry in Academia) Conference was a virtual event this year due to the COVID-19 pandemic and spanned three days from Wednesday 25 to Friday 27 August 2021. The meeting brought together an international delegation of researchers with interests in medicinal chemistry and interfacing disciplines. Abstracts of keynote lectures given by the 10 invited speakers, along with those of the 8 young researcher talks and the 50 flash presentation posters, are included in this report. Like previous editions, the conference was a real success, with high-level scientific discussions on cutting-edge advances in the fields of pharmaceutical chemistry.
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Affiliation(s)
| | - Laura Carro
- School of Pharmacy, University College London, London WC1N 1AX, UK;
| | - Florence O. McCarthy
- School of Chemistry, Analytical and Biological Chemistry Research Facility, University College Cork, College Road, T12 K8AF Cork, Ireland;
| | - Vânia M. Moreira
- Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal;
- Center for Neuroscience and Cell Biology, Faculty of Medicine, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
| | - Francesca Giuntini
- School of Pharmacy and Biomolecular Sciences, Byrom Street Campus, Liverpool John Moores University, Liverpool L3 3AF, UK;
| | - Niamh O’Boyle
- School of Pharmacy and Pharmaceutical Sciences, Panoz Institute, Trinity College Dublin, D02 R590 Dublin, Ireland;
| | - Susan E. Matthews
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK;
| | - Gülşah Bayraktar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ege University, Izmir 35100, Turkey;
| | - Samuel Bertrand
- Institut des Substances et Organismes de la Mer, ISOmer, Nantes Université, UR 2160, F-44000 Nantes, France;
| | - Christophe Rochais
- UNICAEN, CERMN (Centre d’Etudes et de Recherche sur le Médicament de Normandie), Normandie Univ., F-14032 Caen, France;
| | - Pascal Marchand
- Cibles et Médicaments des Infections et du Cancer, IICiMed, Nantes Université, UR 1155, F-44000 Nantes, France
- Correspondence: ; Tel.: +33-253-009-155
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Sokov SA, Odin IS, Zlotski SS, Denisova AG, Golovanov AA. Reactions of Activated Enynes with Diazomethane. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s107042802110002x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zalivatskaya AS, Golovanov AA, Boyarskaya IA, Kruykova MA, Khoroshilova OV, Vasilyev AV. Triflic Acid Promoted Transformations of Linear‐Conjugated Enynones and their Reactions with Arenes. Synthesis of Dihydropyranones, Conjugated Dienones, and Indanes. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Anna S. Zalivatskaya
- Department of Organic Chemistry Institute of Chemistry Saint Petersburg State University Universitetskaya nab., 7/9 Saint Petersburg 199034 Russia
- Department of Chemistry Saint Petersburg State Forest Technical University Institutsky per., 5 Saint Petersburg 194021 Russia
| | - Alexander A. Golovanov
- Laboratory of Organic Synthesis and Analysis no. 13 Togliatti State University Belorusskaya ul., 14 Togliatti 445667 Russia
| | - Irina A. Boyarskaya
- Department of Organic Chemistry Institute of Chemistry Saint Petersburg State University Universitetskaya nab., 7/9 Saint Petersburg 199034 Russia
| | - Mariya A. Kruykova
- Research Center for X-ray Diffraction Studies Research park St. Petersburg State University Universitetskiy pr. 26 Saint Petersburg, Petrodvoretz 198504 Russia
| | - Olesya V. Khoroshilova
- Department of Organic Chemistry Institute of Chemistry Saint Petersburg State University Universitetskaya nab., 7/9 Saint Petersburg 199034 Russia
| | - Aleksander V. Vasilyev
- Department of Organic Chemistry Institute of Chemistry Saint Petersburg State University Universitetskaya nab., 7/9 Saint Petersburg 199034 Russia
- Department of Chemistry Saint Petersburg State Forest Technical University Institutsky per., 5 Saint Petersburg 194021 Russia
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Golovanov AA, Odin IS, Gusev DM, Vologzhanina AV, Sosnin IM, Grabovskiy SA. Reactivity of Cross-Conjugated Enynones in Cyclocondensations with Hydrazines: Synthesis of Pyrazoles and Pyrazolines. J Org Chem 2021; 86:7229-7241. [PMID: 33955756 DOI: 10.1021/acs.joc.1c00569] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The cyclocondensation of cross-conjugated enynones, dienynones, and trienynones (easily available due to low-cost starting compounds) with arylhydrazines leads to the regioselective synthesis of pyrazole derivatives (dihetaryl-substituted ethens, buta-1,3-diens, and hexa-1,3,5-triens) or results in 4,5-dihydro-1H-pyrazoles in good yield. The reaction path is controlled by the character of the substituent in enynone: the pyrazoles are obtained from the reaction of substrates that contain five-membered heteroaromatic substituents with arylhydrazines, and the 4,5-dihydro-1H-pyrazoles are obtained from the reaction of 1,5-diphenylpent-1-en-4-yn-3-one with arylhydrazines consistently. Despite the presence of a substituent, cyclocondensation of 2-hydrazinylpyridine with all of examined cross-conjugated enynones leads to the formation of pyrazoles. The reaction does not require special conditions (temperature, catalyst, inert atmosphere). The cyclocondensation pathways are determined by the electronic effect of an electron-rich five-membered heteroaromatic ring in the substrate. The synthesis allows use of various substituents and functional groups in enynone and hydrazine. The present method features high yields and simplicity of the product purification. The obtained pyrazoles possess fluorescent properties with a quantum yield up to 31%.
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Affiliation(s)
| | - Ivan S Odin
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
| | - Dmitry M Gusev
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
| | - Anna V Vologzhanina
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Science, 28 Vavilova Str., 119991 Moscow, Russia
| | - Ilya M Sosnin
- Togliatti State University, 14 Belorusskaya Str., 445020 Togliatti, Russia
| | - Stanislav A Grabovskiy
- Ufa Institute of Chemistry, UFRS of the Russian Academy of Science, 71 October Av., 450054 Ufa, Russia
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Sosnovskikh VY. Synthesis and reactivity of 3-(1-alkynyl)chromones. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
For the first time, the literature data on the methods of synthesis and reactivity of 3-(1-alkynyl)chromones are summarized and systematized. The main method for obtaining these compounds is the Sonogashira cross-coupling reaction of 3-halochromones with terminal acetylenes, and their most important chemical properties include the transformation into furans, reactions with dinucleophiles, ambiphilic [4+2]- and [4+3]-cyclizations, and also dimerization and mixed condensation of 2-methyl-3-(1-alkynyl)chromones due to the vinylogous methyl group. Except for the oxacyclization to furans, chemical transformations of 3-(1-alkynyl)chromones are accompanied by pyrone ring transformation, in which not only the carbonyl group but also the triple bond can participate. This significantly increases the synthetic value of these compounds and ensures the production of more complex heterocyclic systems based on them. The mechanisms of the reactions are discussed, the conditions for their implementation and the yields of the resulting products are indicated.
The bibliography includes 80 references.
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Mała ŻA, Janicki MJ, Niedźwiecka NH, Góra RW, Konieczny KA, Kowalczyk R. Stereoselectivity Enhancement During the Generation of Three Contiguous Stereocenters in Tetrahydrothiophenes. ChemCatChem 2021. [DOI: 10.1002/cctc.202001583] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Żaneta A. Mała
- Bioorganic Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Mikołaj J. Janicki
- Physical and Quantum Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Natalia H. Niedźwiecka
- Bioorganic Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Robert W. Góra
- Physical and Quantum Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Krzysztof A. Konieczny
- Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
| | - Rafał Kowalczyk
- Bioorganic Chemistry Faculty of Chemistry Wrocław University of Science and Technology Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
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Stereoselective Synthesis of Multisubstituted Cyclohexanes by Reaction of Conjugated Enynones with Malononitrile in the Presence of LDA. Molecules 2020; 25:molecules25245920. [PMID: 33327655 PMCID: PMC7765106 DOI: 10.3390/molecules25245920] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 11/18/2022] Open
Abstract
Reaction of linear conjugated enynones, 1,5-diarylpent-2-en-4-yn-1-ones, with malononitrile in the presence of lithium diisopropylamide LDA, as a base, in THF at room temperature for 3–7 h resulted in the formation of the product of dimerization, multisubstituted polyfunctional cyclohexanes, 4-aryl-2,6-bis(arylethynyl)-3-(aryloxomethyl)-4-hydroxycyclohexane-1,1-dicarbonitriles, in yields up to 60%. Varying the reaction conditions by decreasing time and temperature and changing the ratio of starting compounds (enynone and malononitrile) allowed isolating some intermediate compounds, which confirmed a plausible reaction mechanism. The relative stability of possible stereoisomers of such cyclohexanes was estimated by quantum chemical calculations (DFT method). The obtained cyclohexanes were found to possess photoluminescent properties.
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Enyne Meldrum´s acid derivatives: synthesis and Michael reactions with amines and thiols. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2761-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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