79148-59-7Relevant articles and documents
A Comparative Study of the Reactions of Phthalides, Naphthalides and Related Compounds
El-Sharief, A. M. Sh.,Hammad, N. I. S.,Mohamed, Y. A.
, p. 456 - 459 (2007/10/02)
Synthesis of thiobenzalnaphthalide (II) and 2-substituted-3-benzylidene-2,3-dihydrobenzisoquinolin-1(2H)-ones (IV) is described. 2-Phenylphenalene-1,3(2H)-dione (V) on halogenation gives 2-halo-2-phenylphenalene-1,3(2H)-diones(VI) which react with am