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    Process for producing 3,3,5-trimethylcyclohexylidenebisphenols
    2.
    发明公开
    Process for producing 3,3,5-trimethylcyclohexylidenebisphenols 有权
    生产3,3,5-三甲基亚环己基双酚的方法

    公开(公告)号：EP0995737A1

    公开(公告)日：2000-04-26

    申请号：EP99308259.3

    申请日：1999-10-20

    申请人： Honshu Chemical Industry Co. Ltd.

    发明人： Isota, Yoichiro, Honshu Chemical Ind. Co. Ltd. ,  Nakaguchi, Toru, Honshu Chemical Ind. Co. Ltd. ,  Takenaka, Hiroshi, Honshu Chemical Ind. Co. Ltd. ,  Yao, Kazuhiko, Honshu Chemical Ind. Co. Ltd.

    IPC分类号： C07C39/17 ,  C07C37/20 ,  C08G63/193 ,  C08G75/23 ,  C08G8/02 ,  C07C41/01 ,  C07D209/48

    CPC分类号： C08G64/06 ,  C07C37/20 ,  C07C2601/14 ,  C08G75/23 ,  C07C39/17

    摘要： A process for producing a 3,3,5-trimethylcyclohexylidenebisphenol of formula (11):
    wherein R 1 and R 2 can be the same or different and represent hydrogen or C 1 -C 4 alkyl, each R 1 substituent being the same or different and each R 2 substituent being the same or different, provided that the R 1 and R 2 substituents on a given phenyl moiety are not simultaneously C 4 alkyl,
    which process comprises:

    (a) reacting a phenol (A) of formula (I)
    wherein R 1 and R 2 are as defined above, with 3,3,5-trimethylcyclohexanone (B) at a molar ratio ((A)/(B)) of from 3 to 7 in the presence of an acid catalyst until the 3,3,5-trimethylcyclohexanone (B) exhibits at least 90 mol% conversion; and
    (b) adding a phenol (A) of formula (I) wherein R 1 and R 2 are as defined above and/or an aromatic hydrocarbon (C) to the thus obtained reaction mixture.

    摘要翻译： 式（11）的3,3,5-三甲基亚环己基双酚的制备方法：其中R1和R2可以相同或不同，代表氢或C1-C4烷基，每个R1取代基相同或不同，每个R2取代基为 该方法包括：（a）使式（I）的苯酚（A）（其中R1和R2如上所定义）与式 与（B）以3,3,5-三甲基环己酮（B）在酸催化剂存在下摩尔比（（A）/（B））为3至7直至3,3,5-三甲基环己酮（B） 至少90摩尔％转化率; 和（b）将其中R1和R2如上所定义的式（I）的苯酚（A）和/或芳烃（C）加入到由此获得的反应混合物中。