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Bobrov PS, Kirik SD, Peterson IV, Suboch GA. Regioselective synthesis of novel nitroso-pyrazolylquinoxalines via HOAc-mediated cyclocondensation of 2-hydroxyimino-1,3-diketones with hydrazinylquinoxalines. Org Biomol Chem 2023; 21:3604-3614. [PMID: 37051859 DOI: 10.1039/d3ob00356f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
This article describes the regioselective synthesis of novel nitroso-pyrazolylquinoxalines via cyclocondensation of 2-hydroxyimino-1,3-diketones with hydrazinylquinoxalines. Of note, this is the first time that 2-hydroxyimino-1,3-diketones are used as electrophilic reagents to cyclocondensation with hetarylhydrazines. The cyclocondensation proceeded through a hydrazone intermediates formation. A series of novel nitroso-substituted pyrazolylquinoxalines were synthesized by both "one-pot" and "two-step" procedures in up to 86% yields. Importantly, a gram-scale synthesis of nitroso-pyrazolylquinoxalines, their oxidation and reduction were successfully accomplished.
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Affiliation(s)
- Pavel S Bobrov
- Department of Organic Chemistry and Technology of Organic Substances, Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarskii Rabochii prospekt, Krasnoyarsk 660037, Russian Federation.
| | - Sergei D Kirik
- Department of Inorganic and Physical Chemistry, Siberian Federal University, 79, Svobodny Av., Krasnoyarsk 660041, Russian Federation
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center 'Krasnoyarsk Science Center SB RAS', 50/24 Akademgorodok, Krasnoyarsk 660036, Russian Federation
| | - Ivan V Peterson
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center 'Krasnoyarsk Science Center SB RAS', 50/24 Akademgorodok, Krasnoyarsk 660036, Russian Federation
| | - Georgii A Suboch
- Department of Organic Chemistry and Technology of Organic Substances, Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarskii Rabochii prospekt, Krasnoyarsk 660037, Russian Federation.
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Xu J, Li Y, Ding T, Guo H. Metal-Free Chemoselective Oxidation of 4-Methylquinolines into Quinoline-4-Carbaldehydes. Chem Asian J 2021; 16:3114-3117. [PMID: 34472705 DOI: 10.1002/asia.202100704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 08/17/2021] [Indexed: 11/09/2022]
Abstract
A convenient protocol for the synthesis of quinoline-4-carbaldehydes via chemoselective oxidation of 4-methylquinolines using hypervalent iodine(III) reagents as oxidant is described. This method highlights metal-free and mild reaction conditions, nice yield, good functional group tolerance, and high chemoselectivity.
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Affiliation(s)
- Jincheng Xu
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R China
| | - Yang Li
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R China
| | - Tianling Ding
- Department of Hematology, Huashan Hospital, Fudan University, 12 Wulumuqi Middle Road, Shanghai, 200040, P. R China
| | - Hao Guo
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R China
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Antonova YA, Ioffe SL, Sukhorukov AY, Tabolin AA. Sequential Acylation/Silylation/Hetero‐Claisen Rearrangement of Nitroalkanes for the Synthesis of Protected Hydroxyoxime Derivatives. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yulia A. Antonova
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prosp. 47 Moscow 119991 Russia
- Department of Chemistry M. V. Lomonosov Moscow State University Leninskie gory 1 Moscow 119991 Russia
| | - Sema L. Ioffe
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prosp. 47 Moscow 119991 Russia
| | - Alexey Yu. Sukhorukov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prosp. 47 Moscow 119991 Russia
| | - Andrey A. Tabolin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences Leninsky prosp. 47 Moscow 119991 Russia
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Fang G, Wang H, Liu Q, Cong X, Bi X. Silver-Promoted [3+1+1] Annulation of Isocyanoacetates with Nitrosoarenes. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800172] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Guichun Fang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis; Department of Chemistry; Northeast Normal University; Renmin Str. 5268 Changchun 130024 China
| | - Hongwei Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis; Department of Chemistry; Northeast Normal University; Renmin Str. 5268 Changchun 130024 China
| | - Qun Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis; Department of Chemistry; Northeast Normal University; Renmin Str. 5268 Changchun 130024 China
| | - Xuefeng Cong
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis; Department of Chemistry; Northeast Normal University; Renmin Str. 5268 Changchun 130024 China
| | - Xihe Bi
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis; Department of Chemistry; Northeast Normal University; Renmin Str. 5268 Changchun 130024 China
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 China
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Duret G, Le Fouler V, Bisseret P, Bizet V, Blanchard N. Diels-Alder and Formal Diels-Alder Cycloaddition Reactions of Ynamines and Ynamides. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700986] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Guillaume Duret
- CNRS, LCM UMR 7509; Université de Strasbourg; 67000 Strasbourg France
| | - Vincent Le Fouler
- CNRS, LCM UMR 7509; Université de Strasbourg; 67000 Strasbourg France
| | - Philippe Bisseret
- CNRS, LCM UMR 7509; Université de Strasbourg; 67000 Strasbourg France
| | - Vincent Bizet
- CNRS, LCM UMR 7509; Université de Strasbourg; 67000 Strasbourg France
| | - Nicolas Blanchard
- CNRS, LCM UMR 7509; Université de Strasbourg; 67000 Strasbourg France
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Abstract
The nitrosocarbonyls (R-CONO) are highly reactive species and remarkable intermediates toward different synthetic targets. This review will cover a research area whose impact in current organic synthesis is constantly increasing in the chemical community. This review represents the first and comprehensive picture on the generation and trapping of nitrosocarbonyls and is solidly built on more than 380 papers. Six different classes of key starting materials such as hydroxamic acids, N-hydroxy carbamates, N-hydroxyureas, nitrile oxides, and 1,2,4-oxadiazole-4-oxides were highlighted. The content of the review surveys all the methods to generate the nitrosocarbonyls through different approaches (oxidative, thermal, photochemical, catalytic, aerobic, and the less common ones) in the light of efficiency, yields, and mildness. The most successful trapping agents employed to catch these fleeting intermediates are reviewed, exploiting their superior dienophilic, enophilic, and electrophilic power. The work is completed by paragraphs dedicated to the detection of the intermediates, theoretical studies, and insights about the challenges and future directions for the field.
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Affiliation(s)
- Misal Giuseppe Memeo
- Dipartimento di Chimica, Università degli Studi di Pavia , Viale Taramelli 12, 27100 Pavia, Italy
| | - Paolo Quadrelli
- Dipartimento di Chimica, Università degli Studi di Pavia , Viale Taramelli 12, 27100 Pavia, Italy
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Duret G, Quinlan R, Yin B, Martin RE, Bisseret P, Neuburger M, Gandon V, Blanchard N. Intramolecular Inverse Electron-Demand [4 + 2] Cycloadditions of Ynamides with Pyrimidines: Scope and Density Functional Theory Insights. J Org Chem 2017; 82:1726-1742. [PMID: 28059511 DOI: 10.1021/acs.joc.6b02986] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
4-Aminopyridines are valuable scaffolds for the chemical industry in general, from life sciences to catalysis. We report herein a collection of structurally diverse polycyclic fused and spiro-4-aminopyridines that are prepared in only three steps from commercially available pyrimidines. The key step of this short sequence is a [4 + 2]/retro-[4 + 2] cycloaddition between a pyrimidine and an ynamide, which constitutes the first examples of ynamides behaving as electron-rich dienophiles in [4 + 2] cycloaddition reactions. In addition, running the ihDA/rDA reaction in continuous mode in superheated toluene, to overcome the limited scalability of MW reactions, results in a notable production increase compared to batch mode. Finally, density functional theory investigations shed light on the energetic and geometric requirements of the different steps of the ihDA/rDA sequence.
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Affiliation(s)
- Guillaume Duret
- Laboratoire de Chimie Moléculaire UMR 7509, Université de Strasbourg, CNRS , Strasbourg F-67000, France
| | - Robert Quinlan
- Laboratoire de Chimie Moléculaire UMR 7509, Université de Strasbourg, CNRS , Strasbourg F-67000, France
| | - Boyang Yin
- Laboratoire de Chimie Moléculaire UMR 7509, Université de Strasbourg, CNRS , Strasbourg F-67000, France
| | - Rainer E Martin
- Medicinal Chemistry, Roche Pharma Research and Early Development (pRED), Roche Innovation Center Basel, F. Hoffmann-La Roche, Ltd. , Grenzacherstrasse 124, Basel CH-4070, Switzerland
| | - Philippe Bisseret
- Laboratoire de Chimie Moléculaire UMR 7509, Université de Strasbourg, CNRS , Strasbourg F-67000, France
| | - Markus Neuburger
- Department of Chemistry, University of Basel , Spitalstrasse 51, Basel CH-4056, Switzerland
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Sud, Université Paris-Saclay , bâtiment 420, Orsay cedex 91405, France.,Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay , 1 av. de la Terrasse, Gif-sur-Yvette 91198, France
| | - Nicolas Blanchard
- Laboratoire de Chimie Moléculaire UMR 7509, Université de Strasbourg, CNRS , Strasbourg F-67000, France
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Brulíková L, Harrison A, Miller MJ, Hlaváč J. Stereo- and regioselectivity of the hetero-Diels-Alder reaction of nitroso derivatives with conjugated dienes. Beilstein J Org Chem 2016; 12:1949-1980. [PMID: 27829901 PMCID: PMC5082640 DOI: 10.3762/bjoc.12.184] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 08/01/2016] [Indexed: 01/19/2023] Open
Abstract
The hetero-Diels-Alder reaction between a nitroso dienophile and a conjugated diene to give the 3,6-dihydro-2H-1,2-oxazine scaffold is useful for the synthesis of many biologically interesting molecules due to the diverse opportunities created by subsequent transformations of the resulting 1,2-oxazine ring. This review discusses the rationale for the observed regio- and stereoselectivity and the methods developed in recent years used to control and improve the stereo- and regioselectivity for the synthesis of 1,2-oxazine scaffolds.
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Affiliation(s)
- Lucie Brulíková
- Department of Organic Chemistry, Faculty of Science, Palacký University, 17. Listopadu 12, 77146 Olomouc, Czech Republic
| | - Aidan Harrison
- Department of Medicinal Chemistry, Institute of Molecular and Translational Medicine, Hněvotínská 5, 77900 Olomouc, Czech Republic
| | - Marvin J Miller
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Jan Hlaváč
- Department of Medicinal Chemistry, Institute of Molecular and Translational Medicine, Hněvotínská 5, 77900 Olomouc, Czech Republic
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Regio- and Stereochemical Studies on the Nitroso-Diels-Alder Reaction with 1,2-Disubstituted Dienes. Chemistry 2013; 19:15604-14. [DOI: 10.1002/chem.201302905] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Indexed: 11/07/2022]
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Molander GA, Cavalcanti LN. Nitrosation of aryl and heteroaryltrifluoroborates with nitrosonium tetrafluoroborate. J Org Chem 2012; 77:4402-13. [PMID: 22524190 PMCID: PMC3345084 DOI: 10.1021/jo300551m] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Organotrifluoroborates have emerged as an alternative to toxic and air- and moisture-sensitive organometallic species for the synthesis of functionalized aryl and heteroaryl compounds. It has been shown that the trifluoroborate moiety can be easily converted into a variety of different substituents in a late synthetic stage. In this paper, we disclose a mild, selective, and convenient method for the ipso-nitrosation of organotrifluoroborates using nitrosonium tetrafluoroborate (NOBF(4)). Aryl- and heteroaryltrifluoroborates were converted into the corresponding nitroso products in good to excellent yields. This method proved to be tolerant of a broad range of functional groups.
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Affiliation(s)
- Gary A Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, USA.
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Monbaliu JCM, Beagle LK, Kovacs J, Zeller M, Stevens CV, Katritzky AR. En route towards α-benzotriazoyl nitroso derivatives. RSC Adv 2012. [DOI: 10.1039/c2ra21311g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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Stephenson GR, Balfe AM, Hughes DL, Kelsey RD. Decomplexation–nitroso Diels–Alder (NDA) approach to C,D-ring functionalisation for hippeastrine. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.09.118] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Straightforward hetero Diels–Alder reactions of nitroso dienophiles by microreactor technology. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.08.117] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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