Liu Yao-qi
2010
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Journal
Fine chemicals
Abstract
1,5-Di(hydroxyethoxyethoxyl) anthraquinone,a monomer of polymeric dye,was synthesized by 1,5-dichloroanthraquinone and glycol in the presence of KOH.The optimum conditions:m(1,5-dichloroanthraquinone)∶m(glycol)=1∶16,reaction temperature 120 ℃,reaction time 10 h,the quality percentage of the target product was 88.2%.The crude product was recrystallized by ethanol,the yield was 71.9%,w(1,5-di(hydroxyethoxyethoxyl) anthraquinone) was 98.3%,and the melting point of the product was 119.6~121.1 ℃.Its structure was characterized by HPLC-MS、NMR、IR and UV-vis.