Browsing by Subject "1 [n (n' tert butylphenyl 1,2 benzenediamino)] 5 [n (n' phenyl 1,2 benzenediamino)] 2,4 dinitrobenzene"
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Article
Regiospecific synthesis of 5,7-disubstituted quinoxalino[2,3-b]phenazines
(2002)Hydrogenation of the readily prepared dinitrobenzenediamines 7 followed by air oxidation affords the green colored 5,7-disubstituted-5H,12H-quinoxalino[2, 3-b]phenazines 3 in good yields. Mechanistic rationale, compound ...