poniedziałek, 20 lipca 2009

Efficient Copper-Catalyzed Synthesis of 2-Amino-4(3H)-quinazolinone and 2-Am...

 
 

Otrzymano od użytkownika BO za pośrednictwem Czytnika Google:

 
 

przez Synthesis autor: Hua Fu, Renzhong Qiao, Xuhu Huang, Haijun Yang, Yufen Zhao dnia 09-06-26

Synthesis
DOI: 10.1055/s-0029-1216871



Abstract

We have developed a versatile and efficient method for copper-catalyzed synthesis of both 2-amino-4()-quinazolinone and 2-aminoquinazoline derivatives. The protocol uses readily available substituted 2-halobenzoic acids, 2-bromobenzaldehyde, 2-bromophenyl ketones and guanidines as the starting materials, inexpensive copper(I) iodide as the catalyst, and the method has important application values for construction of N-heterocycles in organic chemistry and medicinal chemistry.
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© Georg Thieme Verlag Stuttgart ˙ New York

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