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One-Pot Synthesis of Quinazolinone Derivatives from Nitro-Compounds with the Aid of Low-Valent Titanium

✍ Scribed by Dou, Guolan; Wang, Manman; Shi, Daqing

Book ID
120491500
Publisher
American Chemical Society
Year
2009
Tongue
English
Weight
118 KB
Volume
11
Category
Article
ISSN
1520-4766

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## Abstract magnified image An efficient, convenient, one‐pot synthesis of 2,4(1__H__,3__H__)‐quinazolinediones and 2‐thioxoquinazolinones was accomplished in good yields __via__ the novel reductive cyclization of ethyl 2‐nitrobenzoates with isocyanates or isothiocyanates mediated by TiCl~4~/Zn sy