申请人:Wassmann-Wilken Suzanne
公开号:US20060129002A1
公开(公告)日:2006-06-15
The invention provides a process for the production of 4-(C
2
-C
16
)alkylresorcinol. 4-(C
2
-C
16
)alkylresorcinol is produced by reacting resorcinol with a (C
2
-C
16
)alkyloic acid in the presence of a zinc chloride catalyst to produce an intermediate comprising a 4-(C
2
-C
16
)acylresorcinol and zinc ions. Then the intermediate is adjusted such that the zinc ion content is from about 0.1 to about 150 parts per million based on the weight of the intermediate to form an adjusted intermediate. Then the produced 4-(C
2
-C
16
)acylresorcinol is hydrogenated in the presence of the zinc ions and a base metal hydrogenation catalyst to produce a crude product comprising 4-(C
2
-C
16
)alkylresorcinol, which may thereafter be isolated.
本发明提供了一种生产4-(C2-C16)烷基间苯二酚的方法。在氯化锌催化剂的存在下,将间苯二酚与(C2-C16)烷基羧酸反应,生成包含4-(C2-C16)酰基间苯二酚和锌离子的中间体,然后调整中间体,使其锌离子含量基于中间体的重量在约0.1至约150ppm之间,形成调整后的中间体。随后,在锌离子和碱金属加氢催化剂的存在下,对生成的4-(C2-C16)酰基间苯二酚进行加氢反应,生成包含4-(C2-C16)烷基间苯二酚的原始产物,该产物可以随后被分离。