Dehydrogenation and amination of 4,4a,5,6-tetrahydro and 5,6- dihydrobenzocinnolinones in refluxing hydrazine hydrate to give new benzo[h]cinnolinones and 4-aminobenzo[h]cinnolinones are reported, and reaction mechanisms proposed. Experiments were also extended to 4,4a-dihydro- 5H-indenopyridazinone which underwent hydrazine induced dehydrogenation to 5H-indenopyridazin-3-one but not subsequent amination.
|Number of pages||8|
|Journal||Journal of Heterocyclic Chemistry|
|Publication status||Published - 1999|
ASJC Scopus subject areas
- Organic Chemistry