aFaculty of Chemical-Biological Sciences, Autonomous University of Sinaloa, Culiacán, Sinaloa, México bCentro de Graduados e Investigación en Química, Instituto Tecnológico de Tijuana, Tijuana, México cFaculty of Engineering, Autonomous University of Sinaloa, Culiacán, Sinaloa, México
Аннотация:
Treatment of phthalic anhydride derivatives with trimethylsilyl azide affords benzimidazolin-2-ones in 45–91% yield, which is the result of two consecutive Curtius reactions. Within the series obtained, 1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one showed highest antioxidant activity.
Образец цитирования:
H. S. Lopez, J. E. Enciso, A. Ochoa-Terán, J. I. Velazquez, J. I. Sarmiento, “An easy one-step synthesis of imidazolin-2-ones from phthalic anhydrides and their antioxidant evaluation”, Mendeleev Commun., 26:1 (2016), 69–71
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/mendc2114
https://www.mathnet.ru/rus/mendc/v26/i1/p69
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Naoki Kise, Shota Yamamoto, Toshihiko Sakurai, “Electroreductive Coupling of Phthalic Anhydrides with α,β-Unsaturated Carbonyl Compounds: Synthesis of 1,4-Dihydroxynaphthalenes”, J. Org. Chem., 85:21 (2020), 13973
G. P. Kantin, M. Yu. Krasavin, “Microwave-promoted reaction of N-(alk-1-enyl)chloroacetamides with sodium azide unexpectedly yields 1H-imidazol-5(4H)-ones”, Mendeleev Commun., 27:1 (2017), 95–96
Ramón Armenta, Juan I. Sarmiento-Sánchez, “Synthesis of 1,3-dihydro-2H-benzimidazol-2-ones (microreview)”, Chem Heterocycl Comp, 52:12 (2016), 1002
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Hector S. Lopez, Jose E. Enciso, Adrian Ochoa‐Teran, Juan I. Velazquez, Juan I. Sarmiento, “ChemInform Abstract: An Easy One‐Step Synthesis of Imidazolin‐2‐ones from Phthalic Anhydrides and Their Antioxidant Evaluation.”, ChemInform, 47:24 (2016)
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