[bmim]HSO4: an efficient and reusable catalyst for one-pot three-component synthesis of 2,3-dihydro-4(1H)-quinazolinones

Various di- and mono-substituted quinazolinones were synthesized by one-pot condensation of isatoic anhydride, aldehyde and amine, or ammonium carbonate using [bmim]HSO 4 as catalyst in aqueous medium. Water as a reaction media, recyclability of catalyst, shorter reaction time, and good yields (70-9...

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Published inGreen chemistry letters and reviews Vol. 3; no. 4; pp. 301 - 306
Main Authors Darvatkar, Nitin B., Bhilare, Sachin V., Deorukhkar, Amol R., Raut, Dilip G., Salunkhe, Manikrao M.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis Group 01.12.2010
Taylor & Francis Ltd
Subjects
[bmim]HSO4
Green chemistry
ionic liquids
one-pot synthesis
quinazoilnones
water
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Summary:Various di- and mono-substituted quinazolinones were synthesized by one-pot condensation of isatoic anhydride, aldehyde and amine, or ammonium carbonate using [bmim]HSO 4 as catalyst in aqueous medium. Water as a reaction media, recyclability of catalyst, shorter reaction time, and good yields (70-90%) are some of the salient features of the developed protocol.
ISSN:1751-8253
1751-7192
DOI:10.1080/17518253.2010.485581