Chen, Qingping; Deady, Leslie W. published the artcile< Synthesis of some benzo[b][1,6]naphthyridines and benzo[b][1,7]naphthyridines>, Reference of 55279-29-3, the main research area is benzonaphthyridine methyl; naphthyridine benzo.
Pfitzinger (1-benzylpiperidin-4-one with 7-methylisatin) and Friedlaender (3-aminopyridine-4-carbaldehyde with 2-methylcyclohexanone) syntheses, resp., were used to prepare the title azaacridines I and II containing a Me substituent peri to the central nitrogen. Oxidation of this group gave the corresponding aldehyde and carboxylic acid. In the [1,6] case, especially, the 10-position was also easily oxidized to give acridone analogs. Nitration occurred exclusively in the benzenoid rings.
Australian Journal of Chemistry published new progress about 55279-29-3. 55279-29-3 belongs to class pyridine-derivatives, and the molecular formula is C6H6N2O, Reference of 55279-29-3.