The yield of nopinic acid reached over 70.
利用水和叔丁醇的混合溶液作为反应的溶剂,用高锰酸钾氧化β-蒎烯制备诺蒎酸,考察了叔丁醇含量、高锰酸钾和碱用量以及温度对产物收率的影响。
The optimum conditions for preparing nopinic acid are: n(β-pinene) ∶n(KMnO_4) ∶n(NaOH) 1 ∶2.
研究以松节油中的β-蒎烯为原料,通过KMnO4氧化合成诺蒎酸,并对氧化反应步骤中各因素对反应的影响进行了探讨。
METHODS β-Pinene was oxidated with KMnO4 in the presence of pyridine to yield nopinic acid,then acid-catalyzed ring opened to yield dihydrocumic acid,which was hydrogenated with Pd/C and epimerizated to yield trans-4-isopropylhexanecarboxylic acid.
方法β-蒎烯经氧化得到诺蒎酸,诺蒎酸开四元环得到二氢枯茗酸,再经过催化加氢、异构得到反-4-异丙基环己烷甲酸,反-4-异丙基环己烷甲酸转变成酰氯后和D-苯丙氨酸反应得到N-(反-4-异丙基环己烷羰基)-D-苯丙氨酸,即2型糖尿病新药那格列奈的原料药。
A HPLC method for determination of fenofibric acid in human plasma was established.
建立了HPLC法测定人血浆中非诺贝酸。
The research progress on the triterpenoids of quinovic acid in recent years was reviewed with respect to plant resource,spectral feature and biological activity.
从植物资源、化合物骨架结构、波谱特征及生物活性等方面,综述了国内外报导的38个喹诺酸类型三萜化合物。