Structures and constants of the products of nitration of 1-acetyl-1,2,3,4-tetrahydroquinolin-4-one

1,2, 3,4-Tetrahydroquinolin-4-one and its 1-acetyl derivative were nitrated, and it was established that mixtures of nitroquinolones are formed. 6-Nitro-1,2,3,4-tetrahydroquinolin-4-one, 6,8-dinitro-l,2,3,4-tetrahydroquinolin-4-one, 8-nitroquinolin-4-one, and 6,8-dinitroquinolin-4-one were isolated by means of preparative chromatography and characterized.