One-Pot Four Component Synthesis of 3-Amino-1-(1H-indol-2-yl)-5,10-dioxo-5,10-dihydro-1H-pyrazolo[1,2-b]phthalazine Derivatives Mediated by [DBUH][OAc]
- Авторы: Jeevan Raghavendra G.1, Siddaiah V.1
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Учреждения:
- Department of Organic Chemistry, Foods, Drug and Water, College of Science and Technology
- Выпуск: Том 88, № 9 (2018)
- Страницы: 1892-1898
- Раздел: Article
- URL: https://journals.rcsi.science/1070-3632/article/view/222424
- DOI: https://doi.org/10.1134/S1070363218090219
- ID: 222424
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Аннотация
One-pot, four component, green, and efficient synthesis of 3-amino-1-(5-nitro-1H-indol-2-yl)-5,10-dioxo-5,10-dihydro-1H-pyrazolo[1,2-b]phthalazine derivatives by reaction of phthalic anhydride with hydrazine hydrate, 5-nitro-1H-indole-3-carboxaldehyde–indole-3-carboxaldehydes and malononitrile–ethyl cyanoacetate in the presence of [DBUH][OAc] at 60–65°C is developed. The method is characterized by short reaction time, high yields, and purity of products formed.
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G. Jeevan Raghavendra
Department of Organic Chemistry, Foods, Drug and Water, College of Science and Technology
Автор, ответственный за переписку.
Email: jeevan.gutala@gmail.com
Индия, Visakhapatnam, Andhra Pradesh, 530003
V. Siddaiah
Department of Organic Chemistry, Foods, Drug and Water, College of Science and Technology
Email: jeevan.gutala@gmail.com
Индия, Visakhapatnam, Andhra Pradesh, 530003