The Synthesis of 1,4-Difluoro-5,8-Dihydroxyanthracene-9,10-Dione and Ipso Substitutions of the Fluorides by Diamines Leading to 1,4-Bis-[(Aminoalkyl)Amino]-5,8-Dihydroxyanthracene-9,10-Diones

Abstract
Two synthetic pathways to 1,4-difluoro-5,8-dihydroxy-anthracene-9,10-dione (2) are described. The ipso substitution of the fluorides of 2 by diamines is a valuable preparative route to 1, 4-bis[(antinoalkyl) antino] -5, 8-dihydroxyanthracene-9,10-diones related to 1.