Efficient synthesis of quinoxaline derivatives from the reaction of ?-diketones and o-phenylenediamines in the presence of Keggin-type heteropolyacids (HPA) such as H3PMo12O40, H4SiW12O40, K7PMo2W9O40, H3PW12O40.SiO2 and H3PW12O40 in high yields and short reaction times, and at room temperature is introduced.
Growing Science » Authors » Fatemeh Hakimia
1. 
Synthesis of quinoxalines in the presence of heteropoly acids Pages 105-108
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Authors: Fatemeh Hakimia, Bi Bi Fatemeh Mirjalili
DOI: 10.5267/j.ccl.2013.01.001
Keywords: 1-2-Diketones, Keggin-type Heteropolyacids, o-Phenylenediamines, Quinoxalines
Abstract:
Journal: CCL | Year: 2013 | Volume: 2 | Issue: 2 | Views: 2509 | Reviews: 0