
TY  - JOUR
A1  - Badger, GM 
A1  - Nelson, PJ 
T1  - Polynuclear Heterocyclic Systems. XV. Dihydroquinoxalino[2,3-b]quinoxalines
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1963
VL  - 16
IS  - 3
SP  - 445
EP  - 450
KW  - 
UR  - https://doi.org/10.1071/CH9630445 
N2  - Fluoflavin has been found to have an absorption spectrum very similar to that of 5,12-dimethylquinoxalino[2,3-b]quinoxaline (I; R = R' = CH3), and is assigned the structure 5,12-dihydroquinoxalino[2,3-b]quinoxaline (I; R = R' = H). Attempts to prepare 5,12-dimethylquinoxalino[2,3-b]quinoxaline from 2,3-dihydroxyquinoxaline and NN'-dimethyl-o-phenylenediamine resulted in the loss of a methyl group, and 5H-12-methylquinoxalino[2,3-b] was obtained. The same compound was also isolated following attempts to prepare 5,11-dimethylquinoxalino- [2,3-b]quinoxaline (II; R = R' = CH3). The latter compound has not been obtained. 
ER  -

