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The combined role of heterogeneous catalysis and ultrasonic waves on the facile synthesis of 2,3-dihydroquinazolin-4(1H)-ones

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Book ID
123077432
Publisher
Elsevier
Year
2017
Tongue
English
Weight
627 KB
Volume
21
Category
Article
ISSN
1319-6103

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Synthesis of quinazolin-4(3H)-ones and 1
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A short and facile synthesis of a series of quinazolin-4(3H)-ones and 1,2-dihydroquinazolin-4(3H)-ones was accomplished in good yields via the novel reductive cyclization of o-nitrobenzamides and triethyl orthoformate, aldehydes or ketones promoted by TiCl 4 /Zn.