申请人:Bayer Aktiengesellschaft
公开号:US04107186A1
公开(公告)日:1978-08-15
4-Novel hydroxyanthrones of the formula ##STR1## wherein R.sup.11 and R.sup.17 are as set forth in the specification. AND A PROCESS FOR THE PREPARATION OF 4-HYDROXYANTHRONES WHEREIN (2-HALOGENO-METHYL)-PHENYL HALOFORMATES OF THE FORMULA ##STR2## wherein R.sup.5 -R.sup.7 are as set forth in the specification are reacted, with an aromatic carbocyclic compound of the formula ##STR3## wherein R.sup.1 to R.sup.4 are as set forth in the specification in the presence of a Friedel-Crafts catalyst, optionally in a solvent, at a temperature in the range of from 0.degree. to 300.degree. C.
公式为##STR1##的新型羟基蒽醌,其中R.sup.11和R.sup.17如规范中所述。以及制备4-羟基蒽醌的方法,其中反应(2-卤代甲基)-苯基卤甲酸酯的公式为##STR2##,其中R.sup.5 -R.sup.7如规范中所述,与公式为##STR3##的芳香环碳化合物在Friedel-Crafts催化剂的存在下反应,可选地在溶剂中,在0°C至300°C的温度范围内。