Synthesis and 13C-NMR study of pyrazolo[4,5-c] and pyrazolo[4,3-c benzazepines. III

The synthesis of pyrazolo4,5-c]1]benzazepin-10-ones 10 and 13 and pyrazolo4,3-c]1]benzazepin-10-ones 11 and 12 is reported. The structure of compounds 10-13 and that of their parent compounds 2-5 ensues from a ¹³C nmr study.