Diacetyl and Dibenzylidene Derivatives

The diacetyl and dibenzylidene compounds were also prepared from these diamino derivatives. The former crystallizes in cubes from dilute alcohol; m. p., 307°C (Corr.) and the latter in beautiful yellow plates from carbon disulphide, m. p., 195°-196°C. (Corr.). An analysis of these two compounds showed the following results,

Calculated for
C17H15N3O2Se
Calculated for
C27H19N3Se
Found
III
Nitrogen9.05%11.21%9.21%11.43%