发明名称 METHOD FOR PRODUCTION OF BISPHENOLS
摘要 FIELD: organic chemistry. SUBSTANCE: desired bisphenols are prepared by interaction of phenol with aliphatic aldehyde or with ketone in the presence of acid catalyst and anion-exchange resin of weak base. Cation-exchange resin of strong acid is used as mentioned above acid catalyst, quantity of said anion-exchange resin being less than that of acid catalyst. EFFECT: improved efficiency.
申请公布号 RU95103432(A) 申请公布日期 1996.12.10
申请号 RU19950103432 申请日期 1995.03.09
申请人 ROM EHND KHAAS KOMPANI 发明人 EHRIK GUSTAV LANDKVIST;MAJKL PITER BIGVUD
分类号 B01J31/08;C07C39/16;B01J31/10;B01J39/00;C07B61/00;C07C37/11;C07C37/20;C07C37/68 主分类号 B01J31/08
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