1-Acylamino-1-azadienes as an Alternative to 1-Dimethylamino-1-azadienes in the Preparation of 1,8-Diazaanthracene-2,9,10-triones.

Article abstract of DOI:10.1016/0040-4020(95)00295-J

Acetylhydrazones of α,β-unsaturated aldehydes behave as 1-azadienes in their reaction with 2,5,8(1H)-quinolinetriones, affording 1,8-diazaanthracene-2,9,10-triones, while the corresponding N-methyl derivatives are unreactive.In comparison with N,N-dimethy