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- …
Page 1. SYNTHETIC COMMUNICATIONS, 20(14), 2139-2146 (3990) ... Page 3. SYNTHETIC PATHWAYS 2141 4 5 F O d - 7 ... benzaldehyde led to 8 as a brownish oil. This crude material was hydrolyzed by p-toluenesulfonic acid to give 9 (55% for the two steps). ...