Diazabicycloalkanes with bridgehead nitrogen atoms. 19. Reactions of monoquaternary salts of dibenzo[b,e]-1,4-diazabicyclo[2.2.2]octadiene with nucleophilic reagents
Diazabicycloalkanes with nitrogen atoms in nodal positions. 14. Synthesis of dibenzo[1?,2?-b,e]-1,4-diazabicyclo[2.2.2]octadienes containing a tertiary amino group in the aromatic ring