Chemistry of naphthazarin derivatives. 11. Trisubstituted hydroquinone derivatives in the preparative synthesis of naphthazarins
作者:V. Ph. Anufriev、S. G. Polonik、N. D. Pokhilo、N. N. Balanyova
DOI:10.1023/b:rucb.0000011886.03785.bd
日期:2003.10
5-diethyl-2-hydroxyhydroquinone, and 3,5-diethyl-1,2,4-trimethoxybenzene with dichloromaleic or citraconic anhydride in an AlCl3—NaCl melt is accompanied by o-C-dealkylation to afford functionally substituted naphthazarins.