Synthetic communications

An efficient one-pot procedure for preparation of 2, 4 (1 H, 3 H)-quinazolinediones and 2-thioxoquinazolinone derivatives under microwave irradiation

J Azizian, AA Mohammadi, AR Karimi

Index: Azizian, Javad; Mohammadi, Ali A.; Karimi, Ali R. Synthetic Communications, 2003 , vol. 33, # 3 p. 415 - 420

Full Text: HTML

Citation Number: 40

Abstract

Abstract An efficient one-pot synthesis of 2, 4 (1 H, 3 H)-quinazolinediones and 2- thioxoquinazolinone derivatives are given by the condensation of isatoic anhydride, primary amine and urea or thiourea in the absence of organic or inorganic reagents under microwave irradiation.

Related Articles:

Palladium-catalyzed cyclocarbonylation of o-iodoanilines with heterocumulenes: regioselective preparation of 4 (3 H)-quinazolinone derivatives

[Larksarp, Chitchamai; Alper, Howard Journal of Organic Chemistry, 2000 , vol. 65, # 9 p. 2773 - 2777]

Rearrangement of 4-imino-(1H, 4H)-3, 1-benzoxazine-2-ones to 2, 4-quinazolinediones via an isocyanate carboxamide intermediate

[Azizian, Javad; Mehrdad, Morteza; Jadidi, Khosrow; Sarrafi, Yaghob Tetrahedron Letters, 2000 , vol. 41, # 27 p. 5265 - 5268]

Convenient preparation of N??substituted 2??amino??4H??3, l??benzoxazin??4??ones and 3??substituted 2, 4 (1H, 3H)??quinazolinediones

[Papadopoulos, E. P.; Torres, C. D. Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 269 - 272]

Chinazolinone, 3. Mitt.: α-Alkylolamide aus Aziden der Chinazolinonreihe

[Domanig,R. Monatshefte fuer Chemie, 1982 , vol. 113, p. 213]

One??pot synthesis of quinazoline??2, 4 (1H, 3H)??diones and 2??thioxoquinazolinones with the aid of low??valent titanium reagent

[Dou, Guo-Lan; Wang, Man-Man; Huang, Zhi-Bin; Shi, Da-Qing Journal of Heterocyclic Chemistry, 2009 , vol. 46, # 4 p. 645 - 649]

More Articles...