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Dang Q, Chen J, Li T, Liu L, Huang T, Li C, Chen T. Palladium-Catalyzed Decarbonylative Annulation of 2-Arylbenzoic Acids with Internal Alkynes toward Phenanthrenes. J Org Chem 2023; 88:12808-12815. [PMID: 37589566 DOI: 10.1021/acs.joc.3c01077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
A palladium-catalyzed decarbonylative annulation of 2-arylbenzoic acids with internal alkynes via C(sp2)-H activation has been developed. A series of phenanthrenes were produced in moderate to good yield with good functional group tolerance. The mechanism study indicated that the C(sp2)-H activation should be the rate-determining step during the reaction.
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Affiliation(s)
- Qi Dang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Jiani Chen
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Tianbao Li
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Long Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Tianzeng Huang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Chunya Li
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
| | - Tieqiao Chen
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemical, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, P. R. China
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Li Y, Wise DE, Mitchell JK, Parasram M. Cascade Synthesis of Phenanthrenes under Photoirradiation. J Org Chem 2023; 88:717-721. [PMID: 36525632 DOI: 10.1021/acs.joc.2c02202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We report a photoinduced phenanthrene synthesis from aryl iodides and styrenes through an arylation/cyclization cascade. Compared to prior methods, this approach obviates the need for hazardous reagents and provides access to unsymmetrical phenanthrenes with good functional group tolerance. Mechanistic studies revealed that photoexcitation of aryl iodides leads to homolytic C-I bond cleavage. Arylation of styrenes with the formed aryl radical species furnishes stilbene derivatives, which undergo photoinduced cyclization promoted by iodine generated in situ to yield phenanthrene products.
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Affiliation(s)
- Yongkang Li
- Department of Chemistry, New York University, 24 Waverly Pl, third floor, New York, New York 10003, United States
| | - Dan E Wise
- Department of Chemistry, New York University, 24 Waverly Pl, third floor, New York, New York 10003, United States
| | - Joshua K Mitchell
- Department of Chemistry, New York University, 24 Waverly Pl, third floor, New York, New York 10003, United States
| | - Marvin Parasram
- Department of Chemistry, New York University, 24 Waverly Pl, third floor, New York, New York 10003, United States
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Dicyanopyrazino Phenanthrene based Charge transfer derivatives: Role of amine donor in Tuning of Photophysical, Aggregation-induced emission, Electrochemical and Theoretical properties. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Del Tito A, Abdulla HO, Ravelli D, Protti S, Fagnoni M. Photocatalyzed syntheses of phenanthrenes and their aza-analogues. A review. Beilstein J Org Chem 2020; 16:1476-1488. [PMID: 32647549 PMCID: PMC7323630 DOI: 10.3762/bjoc.16.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/02/2020] [Indexed: 01/25/2023] Open
Abstract
Phenanthrenes and their aza-analogues have important applications in materials science and in medicine. Aim of this review is to collect recent reports describing their synthesis, which make use of radical cyclizations promoted by a visible light-triggered photocatalytic process.
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Affiliation(s)
- Alessandra Del Tito
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Havall Othman Abdulla
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
- Chemistry Department, College of Science, Salahaddin University, Erbil, Iraq
| | - Davide Ravelli
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Stefano Protti
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Maurizio Fagnoni
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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Sawicka MJ, Lubkowski K, Wróblewska EK, Dzienisz A, Soroka JA. Synthesis of 7H-indolo[1,2-a]quinolinium derivatives via oxidative photocyclization of 3H-indolium salts using blue LED photoreactor. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Gupta R, Cabreros TA, Muller G, Bedekar AV. Enantiomerically Pure 5,13-Dicyano-9-oxa[7]helicene: Synthesis and Study. European J Org Chem 2018; 2018:5397-5405. [PMID: 30853851 PMCID: PMC6402497 DOI: 10.1002/ejoc.201800922] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Indexed: 11/10/2022]
Abstract
Optically pure dicyano oxa[7]helicenes and helicene-like molecules have been prepared and investigated for their optical behavior. The isomers of the intermediate 4,4'-biphen-anthrene-3,3'-diol were resolved by physically separating their 1-menthyl carbonate derivatives. In this work a mild method was developed to cleave ArOMe in presence of a cyano group. The optical rotation of atropisomeric diol, helicenes-like compounds and the oxa[7]helicenes was observed to be in increasing order, while the molecules also showed good response to circularly polarized luminescence.
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Affiliation(s)
- Riddhi Gupta
- Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, INDIA
| | - Trevor A Cabreros
- Department of Chemistry, San José State University, One Washington Square, San José, California 95192-0101, USA
| | - Gilles Muller
- Department of Chemistry, San José State University, One Washington Square, San José, California 95192-0101, USA
| | - Ashutosh V Bedekar
- Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara 390 002, INDIA
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