Synthesis of New Functionally Substituted Aryl- and Hetarylcarbamates Based on Ninhydrin
- Авторы: Velikorodov A.V.1, Zukhairaeva A.S.1, Chabakova A.K.1, Kovalev V.B.1
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Учреждения:
- Astrakhan State University
- Выпуск: Том 54, № 10 (2018)
- Страницы: 1509-1514
- Раздел: Article
- URL: https://bakhtiniada.ru/1070-4280/article/view/219228
- DOI: https://doi.org/10.1134/S1070428018100123
- ID: 219228
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Аннотация
The condensation of methyl (ethyl) phenylcarbamates with ninhydrin in concentrated sulfuric acid gave dialkyl [1,3-dioxoindan-2,2-diyldi(4,1-phenylene)]biscarbamates. Treatment of the latter with hydrazine hydrate resulted in the transformation of the indandione fragment into phthalazinone. Ninhydrin reacted with methyl (hydroxyphenyl)carbamates in glacial acetic acid to produce dihydroxy derivative of oxotrihydroindeno[ 1,2-b][1]benzofuran possessing a carbamate group. Tandem reaction of ninhydrin with methyl (acetylphenyl) carbamates on heating in boiling glacial acetic acid, followed by addition of hydrazine hydrate in acetonitrile, afforded methyl (5-oxo-5H-indeno[1,2-c]pyridazin-3-yl)phenylcarbamates.
Об авторах
A. Velikorodov
Astrakhan State University
Автор, ответственный за переписку.
Email: avelikorodov@mail.ru
Россия, pl. Shaumyana 1, Astrakhan, 414000
A. Zukhairaeva
Astrakhan State University
Email: avelikorodov@mail.ru
Россия, pl. Shaumyana 1, Astrakhan, 414000
A. Chabakova
Astrakhan State University
Email: avelikorodov@mail.ru
Россия, pl. Shaumyana 1, Astrakhan, 414000
V. Kovalev
Astrakhan State University
Email: avelikorodov@mail.ru
Россия, pl. Shaumyana 1, Astrakhan, 414000
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