Naphthomoles. 7. Synthesis of 4,11-dimethoxynaphtho[2,3-f]indole-5,10-dione and 4-methoxynaphtho[2,3-f]-indole-5,10-dione

4,11-Dimethoxynaphtho2,3-f]indole-5,10-dione and 4-methoxynaphtho2,3-findole-5,10-dione have been synthesized by the Leimgruber-Batcho reaction from 1,4-dimethoxy-2-methyl-3-nitroanthraquinone.Russian University of Chemical Technology, Moscow 125190. Center for Drug Chemistry, All-Russian Scientific Research Institute for Pharmaceutical Chemistry, Moscow 119815. Translated from Khimiya Geterotsklicheskikh Soedinenii, No. 8, pp. 1050–1054, August, 1996. Original article submitted March 20, 1996.