9-Acetyl-(p-tolylcarbamoyl)aminoazafluorenes

In the case of 9-amino-3-methyl-2-azafluorene and 9-amino-4-azafluorene, which are formed in the reduction of the hydrazones and oximes of the corresponding azafluorenones with hydrazine hydrate in the presence of pyrophoric nickel, it was confirmed that 9-aminoazafluorenes are unstable. N-Acetyl and N-carbamoyl derivatives of the indicated 9-aminoazafluorenes were obtained. According to the PMR spectral data, 3-methyl-2-azafluorenone oxime is produced in the form of a mixture of Z and E isomers. Ketazines corresponding to 3-methyl-2-azafluorenone and 4-azafluorenone were synthesized. © 1984 Plenum Publishing Corporation.