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- benzal phthalide 亚苄基酞
- Conclusion: ligustilide (22.8 %) and Butylidene phthalide (19.5%) are the main constituents. 结论:主成分为蒿本内酯(22.;8%25)和丁烯基酞内酯(19
- The kinetic of hydrolysis of benzal chloride was studied by using a new kind of phase transfer catalyst in this paper. 研究了在新型相转移催化剂作用下苄叉二氯水解反应过程的动力学。
- The proper hydrolysis reaction temperature of benzal chloride was 1000C and the initial quality rate of water p... 经模型检验,发现模型与实验数据的吻和程度较好。
- The refined product with high purity is obtained by vacuum distillation of crude benzal chloride. 将制得的苄叉二氯粗品进行真空精馏得到高纯度的精品;
- A kind of Pressure(Thermal)-sensitive Dye and its application were introduced,which has the structure of triarylmethane phthalide or fluorane. 介绍了一类结构为三芳甲烷苯酞系或荧烷系化合物的压(热)敏染料及其在无碳复写纸中的应用。
- EN) Disclosed a class of phthalide derivatives and the use of which to manufacture the sensitizer or reverser of the antineoplastic agent. 本发明公开了一类苯酞衍生物及其在制备抗肿瘤药物的增敏剂或逆转剂的用途。
- In this paper,phthalide was chosen as raw material,and 5-Nitrophthalaldehydic Acid was prepared by nitration,bromination and hydrolysis. 以苯酞为原料,经硝化、溴化、水解合成5-硝基邻甲酰苯甲酸。
- Abstract： The kinetic of hydrolysis of benzal chloride was studied by using a new kind of phase transfer catalyst in this paper. 摘 要： 研究了在新型相转移催化剂作用下苄叉二氯水解反应过程的动力学。
- Using benzyl chloride and chlorine as starting materials, benzal chloride is prepared through photo-chlorination in loop reactor. 采用环流反应器、以氯化苄和氯气为原料进行光氯化反应,制备苄叉二氯;
- Lactone compounds, with the same nuclear structure as that of phthalide, are the bioactive components of Ligusticum Chuanxiong Hort. 川芎内酯类化合物都有苯酞类母核结构,是中药川芎的重要活性成分。
- The procedure of benzal chloride and benzylchloride was obtained by chlorination toluene, then through catalytic acidic hydrolysis and oxidation, produced benzaldehyde. 本文研究了甲苯氯化得到苄叉二氯和氯化苄混合物，然后经催化酸解氧化制备苯甲醛，并探讨了氯化催化酸解及氧化的反应条件。
- OBJECTIVE To investigate the variation of the content of phthalide compounds of Ligusticum chuanxiong Hort. in GAP base of GuanXian of Sichuan province. 目的连续6年动态监测四川灌县徐渡等乡国家GAP示范基地川芎药材中的苯酞类成分,寻找其活性成分藁本内酯和川芎内酯的含量规律。
- The catalytic hydrolysis of benzal chloride and benzyl chloride mixture was studied, benzal chloride forming benzaldehyde in 95% yield, while the benzyl choride unreacted. 研究了亚苄基二氯和苄基氯混合物的催化水解反应，亚苄基二氯水解率达95%25，而苄基氯不发生化学反应。
- Kinetic Study on Hydrolysis of Benzal Chloride 苄叉二氯水解反应动力学的研究
- azithromycin 4"-substituted benzal hydrazinoformate 阿奇霉素4″-取代亚苄肼基甲酸酯
- Keywords 3-substituted phthalide derivative;bicuculine;phthalide; 3位取代苯酞衍生物;比扣扣灵;苯酞;
- Synthesis of benzaldehyde by green oxidization from benzal alcohol 用苯甲醇清洁氧化制苯甲醛
- Keywords benzal acetophenone;synthesis;sonochemistry experiment; 苯亚甲基苯乙酮;合成;声化学实验;
- Keywords benzal chloride;chlorical reaction;sythesis;benzaldehyde; 苄叉二氯;氯化反应;合成;苯甲醛;
