78636-77-8Relevant articles and documents
TRANSFORMATIONS OF POLYCYCLIC KETONES: XX. ELECTROPHILIC SUBSTITUTION REACTIONS OF 3-AMINOPHENALENONE
Solodar', S. L.,Kochkin, V. A.
, p. 725 - 731 (2007/10/02)
The corresponding 2-substituted cmpounds are formed during the nitration, bromination, and azo coupling of 3-aminophenalenone.In sulfuric acid 3-aminophenalenone is protonated first at the carbonyl oxygen atom, and with increase in the concentration of the acid a second proton adds to the amino group.