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Daher A, Bousfiha A, Tolbatov I, Mboyi CD, Cattey H, Roisnel T, Fleurat-Lessard P, Hissler M, Hierso JC, Bouit PA, Roger J. Tetrazo[1,2-b]indazoles: Straightforward Access to Nitrogen-Rich Polyaromatics from s-Tetrazines. Angew Chem Int Ed Engl 2023; 62:e202300571. [PMID: 36710261 DOI: 10.1002/anie.202300571] [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: 01/12/2023] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023]
Abstract
The straightforward access to a new class of aza-polyaromatics is reported. Starting from readily available fluorinated s-tetrazine, a cyclization process with azide leads to the formation of an unprecedented tetrazo[1,2-b]indazole or a bis-tetrazo[1,2-b]indazole (cis and trans conformers). Based on the new nitrogen core, further N-directed palladium-catalyzed ortho-C-H bond functionalization allows the introduction of halides or acetates. The physicochemical properties of these compounds were studied by a joint experimental/theoretical approach. The tetrazo[1,2-b]indazoles display solid-state π-stacking, low reduction potential, absorption in the visible range up to the near-infrared, and intense fluorescence, depending on the molecular structure.
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Affiliation(s)
- Ahmad Daher
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | - Asmae Bousfiha
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | - Iogann Tolbatov
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | - Clève D Mboyi
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | - Hélène Cattey
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | | | - Paul Fleurat-Lessard
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | | | - Jean-Cyrille Hierso
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
| | | | - Julien Roger
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302 -, Université Bourgogne (UB) 9, avenue Alain Savary, 21078, Dijon, France
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Kaur M, Kumar R. A Minireview on Cadogan cyclization reactions leading to diverse azaheterocycles. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200092] [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)
- Manpreet Kaur
- Central University of Punjab Pharmaceutical Sciences and Natural Products Village Ghudda 151401 Bathinda INDIA
| | - Raj Kumar
- Central University of Punjab Pharmaceutical Sciences and Natural Products Village Ghudda, Bathinda 151401 Bathinda INDIA
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Li G, Wang W, Zhan C, Xiao S. Synthesis and properties of a novel decacyclic S, N-heteroacene. ACTA CRYSTALLOGRAPHICA SECTION C STRUCTURAL CHEMISTRY 2022; 78:250-256. [DOI: 10.1107/s2053229622003291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/23/2022] [Indexed: 11/10/2022]
Abstract
S,N-Heteroacene materials with fused multicyclic heteroaromatics have become increasingly attractive for organic optoelectronic device applications. In this work, the Cadogan ring-closure reaction between the benzene moiety of thieno[3,2-b]indole and 5,6-dinitrobenzo[c][1,2,5]thiadiazole was employed to prepare the novel decacyclic S,N-heteroacene 15,16-dibutyl-14,17-didodecyldithieno[2′′,3′′:2′,3′]indolo[6′,7′:4,5]pyrrolo[3,2-e:2′,3′-g][2,1,3]benzothiadiazole (TIP), C58H76N6S3. The conjugated backbone of TIP is extended in comparison with its octacyclic analogue as the central unit within Y6-type molecular acceptors, a family of overwhelming electron acceptors in polymer solar-cell research. The single-crystal X-ray diffraction (SC-XRD) characterization indicated the existence of π–π and C(sp
2)—H...π interactions among TIP molecules. The electrochemical and optical properties of TIP were also characterized. As a novel S,N-heteroacene building block, TIP is anticipated to be of potential use in the construction of promising electronic materials.
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Wojtasik K, Danel A, Wojtasik M, Lukasiewicz M. Synthesis of 1
H
‐Pyrazolo[3,4‐
b
]quinoxaline Derivatives by Modification of the Regiospecific Reaction – the Influence of the Microwave Field. ChemistrySelect 2021. [DOI: 10.1002/slct.202100804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Katarzyna Wojtasik
- Department of Physics Cracow University of Technology, Kraków Podchorążych 1 30-084 Krakow Poland
| | - Andrzej Danel
- Department of Physics Cracow University of Technology, Kraków Podchorążych 1 30-084 Krakow Poland
| | - Michał Wojtasik
- Oil and Gas Institute – National Research Institute Lubicz 25 A 31-503 Krakow Poland
| | - Marcin Lukasiewicz
- Faculty of Food Technology University of Agriculture in Cracow Balicka Kraków, 122 30-149 Krakow Poland
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Kaur M, Kumar R. C‐N and N‐N bond formation via Reductive Cyclization: Progress in Cadogan /Cadogan‐Sundberg Reactionǂ. ChemistrySelect 2018. [DOI: 10.1002/slct.201800779] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Manpreet Kaur
- Laboratory for Drug Design and SynthesisDepartment of Pharmaceutical Sciences and Natural ProductsCentral University of Punjab Mansa Road Bathinda-151001 India
| | - Raj Kumar
- Laboratory for Drug Design and SynthesisDepartment of Pharmaceutical Sciences and Natural ProductsCentral University of Punjab Mansa Road Bathinda-151001 India
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