108223-24-1Relevant articles and documents
DERIVATIVES OF 1,4,5,8-NAPHTHTALENETETRACARBOXYLIC ACID. V. REACTION OF 1,4,5,8-NAPHTHTALENETETRACARBOXYDIIMIDES WITH ALKALIS
Bondarenko, E. F.,Shigalevskii, V. A.
, p. 1155 - 1159 (2007/10/02)
When N,N'-diaryl-1,4,5,8-naphthtalenecarboxydiimides are heated with caustic alkalis in alcohols, the dipotassio- and disodio-2,7-diaryl-3,8-dihydroxy-1,6-dioxobenzo-3,8-phenanthrolene- 3,8-dioxides are obtained.Under more drastic conditions the comp