Condensation of 1-Amino-4-azafluorene with α-Diketones and α,β-Unsaturated Ketones
Condensation of 1-amino-4-azafluorene with α-diketones and with unsaturated ketones in basic medium gives novel substituted 1,4-diazafluoranthenes and also dihydro-4-azafluoreno[9,9a,1-b,c]cyclohexano[2',3'-e]- and indano[1',2'-e]azepines.