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Xi J, Wang D, Hu J, Shen H, Wang T, Zhang Z. Rearrangement of 2-(benzofuran-2-yl)-3-phenylpyridines via photoinduced 6π-electrocyclization. Org Biomol Chem 2023; 21:7188-7193. [PMID: 37642152 DOI: 10.1039/d3ob00883e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
By photoinduced 6π-electrocyclization of 2-(benzofuran-2-yl)-3-phenylpyridine derivatives 1, a method for the synthesis of trans-dihydrobenzo[f]quinolines 2, cis-dihydrobenzo[f]quinolines 3 and 8b-methyl-1,8b-dihydrobenzo[f]quinolines 4 was developed. Irradiation of 2-(benzofuran-2-yl)-3-phenylpyridine 1 in acetone-H2O (5 : 1, v/v) with a 313 nm UV lamp under an argon atmosphere at room temperature successfully yielded 2, which was further converted into 3 at elevated temperature (200 °C) in glycerol. However, irradiating 2-(3-methylbenzofuran-2-yl)-3-phenylpyridines 1 in CH2Cl2 with a 254 nm UV lamp gave 4 in good yields. The syntheses of 2, 3 and 4via the 6π-electrocyclization rearrangement of 1 not only offer high atom efficiency but also do not require transition metal catalysts or additives.
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Affiliation(s)
- Jin Xi
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Ding Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Jinxia Hu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Huan Shen
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Tao Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Zunting Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
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2
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Milyutin CV, Galimova RG, Komogortsev AN, Lichitsky BV, Migulin VA, Melekhina VG. Photochemical Synthesis of Tetrahydro‐6
H
‐cyclopenta[
b
]furan‐6‐ones from Substituted Allomaltols. ChemistrySelect 2022. [DOI: 10.1002/slct.202204000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Constantine V. Milyutin
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
| | - Renata G. Galimova
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
- Faculty of Chemistry M.V. Lomonosov Moscow State University Leninskie Gory, 1 Moscow 119991 Russian Federation
| | - Andrey N. Komogortsev
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
| | - Boris V. Lichitsky
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
| | - Vasily A. Migulin
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
| | - Valeriya G. Melekhina
- Laboratory of Heterocyclic Compounds N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47 Moscow 119991 Russian Federation
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3
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Komogortsev AN, Lichitsky BV, Melekhina VG. Novel approach for the synthesis of 2-arylfuro[3,2- b]pyran-3-carbaldehydes based on acid-catalyzed cyclization of allomaltol containing enaminones. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2150975] [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)
- Andrey N. Komogortsev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Boris V. Lichitsky
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Valeriya G. Melekhina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
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4
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4a,7a-Dihydroxy-1-(2-hydroxyethyl)-5-methyl-2′,3′,4a,5′,6′,7a-hexahydrospiro[cyclopenta[b]pyridine-4,4′-pyran]-2,7(1H,3H)-dione. MOLBANK 2022. [DOI: 10.3390/m1481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
An environment-friendly photochemical approach to the synthesis of 4a,7a-dihydroxy-1-(2-hydroxyethyl)-5-methyl-2′,3′,4a,5′,6′,7a-hexahydrospiro[cyclopenta[b]pyridine-4,4′-pyran]-2,7(1H,3H)-dione from 2-(4-(3-hydroxy-6-methyl-4-oxo-4H-pyran-2-yl)tetrahydro-2H-pyran-4-yl)-N-(2-hydroxyethyl)acetamide was elaborated. The suggested method is based on the ESIPT-promoted contraction of 3-hydroxypyran-4-one fragment followed by intramolecular cyclization of generated in situ α-hydroxy-1,2-diketone intermediate. The distinctive feature of the presented protocol is the employment of water as a solvent for the considered photoreaction. The structure of the obtained photoproduct was confirmed by 1H, 13C-NMR, IR spectroscopy and high-resolution mass spectrometry.
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5
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Karibov TT, Lichitsky BV, Komogortsev AN, Melekhina VG. Photoinduced 6π‐electrocyclization of 2,5‐dichlorothiophene containing benzofuranylacrylonitriles as efficient method for the generation of hydrogen chloride. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Turan T. Karibov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Boris V. Lichitsky
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Andrey N. Komogortsev
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Valeriya G. Melekhina
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
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6
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Karibov TT, Lichitsky BV, Melekhina VG, Komogortsev AN. The First Example of Photogeneration of a Pyrrole Molecule on the Basis of 6π-Electrocyclization of 2-Arylbenzofurans Containing a Pyrazole Fragment. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2112706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Turan T. Karibov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Boris V. Lichitsky
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Valeriya G. Melekhina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Andrey N. Komogortsev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
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7
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Dwarakanath D, Gaonkar SL. Advances in Synthetic Strategies and Medicinal Importance of Benzofurans: A Review. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200282] [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)
- Deepika Dwarakanath
- Department of Chemistry Manipal Institute of Technology Manipal Academy of Higher Education 576104 Manipal Karnataka India
| | - Santosh L. Gaonkar
- Department of Chemistry Manipal Institute of Technology Manipal Academy of Higher Education 576104 Manipal Karnataka India
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8
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Niu L, He Y, Xi J, Wang T, Liang Y, Zhang Z. Synthesis of 6-phenylbenzo[ h]quinolines via photoinduced dehydrogenative annulation of ( E)-2-phenyl-3-styrylpyridines. Org Biomol Chem 2021; 19:8554-8558. [PMID: 34557883 DOI: 10.1039/d1ob01674a] [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 concise and environmentally friendly protocol was developed for the synthesis of 6-phenylbenzo[h]quinolines. 6-Phenylbenzo[h]quinolines were obtained in good yields via irradiation of (E)-2-phenyl-3-styrylpyridines with a 254 nm UV light (64 W) in EtOH under an argon atmosphere in the presence of TFA. The reaction is a dehydrogenative annulation reaction that proceeds through 6π-electrocyclization, a [1,5]-H shift, 1,3-enamine tautomerization, and elimination of a hydrogen molecule to afford 6-phenylbenzo[h]quinolines. The described protocol not only avoids the usage of a transition metal catalyst and an oxidant but also has the advantages of high atom efficiency and mild reaction conditions.
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Affiliation(s)
- Lixin Niu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Yun He
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Jin Xi
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Tao Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Yong Liang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
| | - Zunting Zhang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China.
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