【摘要】 研究了绿色有机电致发光材料C545T的合成工艺。以价格较便宜的1-溴-3-甲基-2-丁烯代替1-氯-3-甲基-2-丁烯,降低了原料价格,提高了产品收率;其次,中间体2-苯并噻唑乙酸乙酯的合成采用微波法代替传统的加热反应法,缩短了反应时间,提高了产品收率;另外,最后一步的Knovenagel反应采用有机碱哌啶作催化剂,也缩短了反应时间,提高了产品收率。该合成工艺生产周期短,反应条件温和,纯化过程简单,合成成本低,六步合成总收率达8.2%,产品纯度达99.9%。更多还原

【Abstract】 The synthesis process of green organic light-emitting material C545T was studied.Firstly,the process used cheaper 1-bromo-3-methyl-2-butene instead of 1-chloro-3-methyl-2-butene to lower the raw material prices and the product yield improved.Secondly,using microwave reaction instead of traditional heating reaction in the synthesis of intermediate 2-benzothiazole ethyl acetate shortened the reaction time and the product yield improved.In addition,in the final Knovenagel reaction,using organic base piperidine as catalyst,the reaction time was shortened,the product yield increased too.The synthesis process had advantages such as short production cycle,mild reaction condition,simple purification,low cost,high yield and good purity.The overall yield was 8.2% and the product purity was 99.9%.更多还原