高纯度1,5-二羟基萘的合成  

Synthesis of High-purity 1,5-Dihydroxynaphthalene

作　　者：孟明扬[1] 马瑛[1] 杨文东[1] 谭立哲[1] 石权达 

机构地区：[1]沈阳化工研究院,辽宁沈阳110021

出　　处：《精细与专用化学品》2007年第7期17-18,26,共3页Fine and Specialty Chemicals

摘　　要：以精萘为原料，通过磺化、碱熔制得高纯度的1，5-二羟基萘。最佳反应条件为：磺化温度25℃，酸析pH=5—6，当精萘用量为10g时，溶剂1，2-二氯乙烷的用量45mL。在最佳反应条件下，碱熔收率达90．2％，产品纯度为99．3％。1,5-Dihydroxynaphthalene was synthesized by sulfonation and alkali fusion using refined naphthalene as raw material. The optimum conditions were as follows： the sulfonation temperature was 25℃ , pH value was 5 -6 for the acid treatment step, when the amount of naphthalene was 10g, 45 mL of solvent 1,2-dichloroethane was used. Under the abovementioned conditions the yield in alkali fusion step can reach 90. 2% with the product purity of 99.3%.

关 键 词：萘 1 5-二羟基萘 磺化 碱熔 1 2-二氯乙烷 

分 类 号：TQ241[化学工程—有机化工]