用β-蒎烯为原料合成高纯度对异丙基苯酚  

THE SYNTHESIS OF HIGH PURITY p-ISOPROPYLPHENOL FROM β-PINENE

作　　者：姜红宇[1] 哈成勇[2] 金建忠[3] 杨仁洲[1] 

机构地区：[1]中国科学院华南植物研究所,广东广州510650 [2]中国科学院广州化学研究所,广东广州510650 [3]浙江树人大学生物与环境工程学院,浙江杭州310015

出　　处：《林产化学与工业》2004年第4期53-55,共3页Chemistry and Industry of Forest Products

摘　　要：　研究了以松节油中β-蒎烯为原料,通过氧化、酸催化开四元环和脱氢三步反应,合成了高纯度对异丙基苯酚,总产率达到31%。并对酸催化开四元环和脱氢步骤中各因素对反应的影响进行了探讨。发现诺蒎酮开四元环转化反应选择在40%的磷酸溶液催化下,80℃反应1h效果较好,产率达到67.9%。4-异丙基环己烯酮与硫脱氢生成对异丙基苯酚,反应选择密封反应2h效果较好,产率达到63%。p-Isopropylphenol of high purity was synthesized from β-pinene through a three-step sequence of oxidation,ring-opening and dehydrogenation.The overall yield was 31%.Factors affecting ring-opening and dehydrogenation had been discussed.It was found that the ring-opening of nopinone with 40% phosphoric acid was well performed at 80 ℃ for 1 h and the yield was 67.9%.The dehydrogenation reaction was well done under sealed condition and the yield was 63%.

关 键 词：Β-蒎烯 诺蒎酮 对异丙基苯酚 

分 类 号：TQ243.12[化学工程—有机化工] TQ031.4