Sulfated polyborate: mild, efficient and eco-friendly catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones

An efficient, inexpensive and recyclable sulfated polyborate catalyst was applied in a three-component, one-pot cyclocondensation of isatoic anhydride, aldehydes and ammonium acetate/amines to afford the corresponding 2,3-dihydroquinazolin-4(1 H )-ones. The key advantages of the present method are h...

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Bibliographic Details
Published in:Journal of the Iranian Chemical Society 2017-08, Vol.14 (8), p.1683-1689
Main Authors: Khatri, Chetan K., Patil, Manisha S., Chaturbhuj, Ganesh U.
Format: Article
Language:English
Subjects:
Aldehydes
Amines
Ammonium acetate
Analytical Chemistry
Biochemistry
Catalysts
Chemical synthesis
Chemistry
Chemistry and Materials Science
Ecology
Economics
Functional groups
Inorganic Chemistry
Organic Chemistry
Original Paper
Physical Chemistry
Reaction time
Recyclability
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Summary:An efficient, inexpensive and recyclable sulfated polyborate catalyst was applied in a three-component, one-pot cyclocondensation of isatoic anhydride, aldehydes and ammonium acetate/amines to afford the corresponding 2,3-dihydroquinazolin-4(1 H )-ones. The key advantages of the present method are high yields, short reaction time, easy workup, recyclability of catalyst and ability to tolerate a variety of functional groups which gives economical as well as ecological rewards. Graphical Abstract
ISSN:1735-207X
1735-2428
DOI:10.1007/s13738-017-1109-x