Preparation method of 3, 4, 5-trimethylhydroquinone dialkanoate

The invention provides a preparation method of 3, 4, 5-trimethylhydroquinone dialkanoate, which comprises the following step: in the presence of a catalyst and a promoter, carrying out esterification and rearrangement reaction on a raw material 2, 6, 6-trimethyl-2-cyclohexene-1, 4-diketone and an ac...

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Bibliographic Details
Main Authors ZHANG TAO, CHENG XIAOBO, ZHANG MINGFENG, LI YUAN, GUO JINZI, JIANG TIANYUE, JANG YOUNG-JIN, LIU YINGRUI, GONG XU
Format Patent
LanguageChinese
English
Published 26.08.2022
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention provides a preparation method of 3, 4, 5-trimethylhydroquinone dialkanoate, which comprises the following step: in the presence of a catalyst and a promoter, carrying out esterification and rearrangement reaction on a raw material 2, 6, 6-trimethyl-2-cyclohexene-1, 4-diketone and an acylating agent to obtain the 3, 4, 5-trimethylhydroquinone dialkanoate. The method has the advantages of high raw material conversion rate, easy product separation, high product yield and the like. 本发明提供一种3,4,5-三甲基氢醌二烷酸酯的制备方法，所述方法是在催化剂和助催化剂的存在下，通过原料2,6,6-三甲基-2-环己烯-1,4-二酮与酰化剂发生酯化和重排反应制得3,4,5-三甲基氢醌二烷酸酯。该方法具有原料转化率高、产品易分离、产品收率高等优点。
Bibliography:Application Number: CN202210552432