Ms. Shvartsberg et al., ACETYLENIC-COMPOUNDS AS INTERMEDIATES IN HETEROCYCLIC SYNTHESIS - REACTION OF 1-ACETYLENYLANTHRAQUINONES WITH HYDRAZINE, Tetrahedron letters, 35(13), 1994, pp. 2077-2080
Reaction of 1-acetylenic derivatives of anthraquinone with hydrazine a
ffording substituted 4H-anthra[9,1-cd]-1,2-diazepin-8-ones and 7H-dibe
nzo[de,h]quinolin-7-ones is reported.