The reaction between o-phenylenediamine and its 4-chloro- and 3,5-dichloro-derivatives and 4-substituted ω-bromoacetophenones gives 1,2-dihydroquinoxalines.It has been found that the preferred course of the reaction under basic catalytic conditions involv
Kolos, N.N.,Insuasti, B.,Kiroga, Kh.,Orlov, V.D.
p. 918 - 922
(2007/10/02)
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