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MECHANISM OF SYNTHESIS OF QUINAZOLIN-4-THIONE IN A NEW METHOD_

Authors

Elmuradov Chori Juraevich, Qayumova Maftuna Ilxom qizi,, Saitkulov Foziljon Ergashevich, Isaqulova Marxoba Ne`mat qizi, Muminova Nigora Kilichovna

Rubric:Chemistry
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Annotation

In the article, the preparation of quinazolin-4-thione in the presence of quinazolin-4-one by various methods was thoroughly studied, and for the first time, the thionation reaction was carried out in the presence of Lavesson's reagent.

The structure of the quinazoline-4-thione molecule has been proven using modern physical and chemical research methods.

Keywords

quinazolin-4-thione
quinazolin-4-one
various methods
thionation reaction
Lavesson's reagent
P2S5
in an inert atmosphere (argon)
cycloreversion (opposite process to cycloaddition!)

Authors

Elmuradov Chori Juraevich, Qayumova Maftuna Ilxom qizi,, Saitkulov Foziljon Ergashevich, Isaqulova Marxoba Ne`mat qizi, Muminova Nigora Kilichovna

References:

1. Saitkulov F.E., Elmuradov B.Zh., Sapaev B. Syntheses and biological activity of quyinazolin-4-one hydrochloride // Austrian Journal of Technical and Natural Sciences. -2024. -№1-2. P.28-35.

2. Саиткулов Ф.Э., Элмурадов Б.Ж., Гиясов К. Алкилирования хиназолин-4-она “мягким” и “жестким” алкилирующими агентами // Universum: Химия и биология: -Москва. -2023. -№1. -С.53-57.

3. Saitkulov F.E., Elmuradov B.J. Introduction of new methods of studying the methylation reaction of quinazolin-4-one in different solvents. For participation (in) scientific-online conference «Theoretical aspects in the formation of pedagogical sciences». Great Britain. -2024. -№3. -Vol.3. -P.182-189.

4. Саиткулов Ф.Э., Элмурадов Б.Ж. Метилирование хиназолин-4-она «мягкими» и «жесткими» метилирующими агентами // Сборник материалов Республиканской научно-практической конференции. Институт ОНХ АН РУз. 12-14 Мая, 2022. -Ташкент, Узбекистан. -C.345.

5. Saitkulov F., Sapaev B., Nasimov K., Kurbanova D., Tursunova N. Structure, aromatic properties and preparation of the quinazolin-4-one molecule // E3S Web of Conferences, 2023, 389, 03075. Р.1-7.

6. Saitkulov F.E., Elmuradov B. Zh., Giyasov K. Biological activity of quinazolin-4-one hydrochloride // «Актуальные проблемы химической науки и промышленности» 24-25 Ноября, 2023. -Фергана. -C.160.

7. Саиткулов Ф.Э., Гиясов К., Элмурадов Б.Ж. Метилирование 2-метилхиназолин-4-она «мягкими» и «жесткими» метилирующими агентами // Universum: Химия и биология: -Москва. -2022. -№11. -C.49-52.

8. Saitkulov F.E., Tashniyazov A.A., Mamadrahimov A.A., Shakhidoyatov Kh.M., 2,3-Dimethylquinazolin-4(3Н)-one // Acta сrystallographica. Section E, Structure reports online. -2014. -E70, o788.

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