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Synthesis of 2,3-Dihydroquinazolin-4(1H)-ones by Three-Component Coupling of Isatoic Anhydride, Amines, and Aldehydes Catalyzed by Magnetic Fe3O4 Nanoparticles in Water

✍ Scribed by Zhang, Zhan-Hui; Lü, Hong-Yan; Yang, Shu-Hong; Gao, Jian-Wu


Book ID
111931512
Publisher
American Chemical Society
Year
2010
Tongue
English
Weight
200 KB
Volume
12
Category
Article
ISSN
1520-4766

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## Abstract An efficient protocol for the one‐pot reaction of isatoic anhydride (=1,2‐dihydro‐4__H__‐3,1‐benzoxazine‐2,4‐dione), primary alkylamines, and heterocumulenes (isothiocyanates and isocyanates) in H~2~O catalyzed by magnetically recoverable Fe~3~O~4~ nanoparticles is described.