Synthetic Communications p. 2866 - 2876 (2018)
Update date:2022-07-29
Topics:
Gajula, Krishna Sai
Mameda, Naresh
Kodumuri, Srujana
Chevella, Durgaiah
Banothu, Rammurthy
Amrutham, Vasu
Kutepov, Boris Ivanovich
Nama, Narender
The synthesis of 2,3-dihydroquinazolin-4(1H)-ones by cyclocondensation of anthranilamide with ketones in aqueous media using Hβ zeolite is reported. The scope of the reaction was explored by various ketones such as aromatic, aliphatic and cyclic ketones. Based on the preliminary mechanistic results, a tentative mechanism for the formation of 2,3-dihydroquinazolin-4(1H)-ones using zeolite catalyst (Hβ) is predicted. The reusability study, large-scale experiment and water as solvent showed significant benefits of this catalytic protocol in comparing to earlier methods.
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