申请人:Sumitomo Chemical Company, Limited
公开号:US04784806A1
公开(公告)日:1988-11-15
Anthraquinone compounds of the formula, ##STR1## wherein R is hydrogen, alkyl or cycloalkyl, which are useful as intermediates for disperse dyes and as sublimable dyes for thermal transfer recording, are prepared by allowing the compound of the formula, ##STR2## wherein X is hydrogen or sulfonic acid group, to react with a cyanogenating agent in an aqueous medium in the presence of a compound, such as polyalkylene glycols.
公式为##STR1##的
蒽醌类化合物,其中R为氢、烷基或环烷基,可用作
分散染料的中间体和升华
染料用于热转印记录,通过在
水介质中在化合物##STR2##中X为氢或
磺酸基的化合物与
氰化试剂反应,在聚烯二醇等化合物存在下制备。