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- High purity dehydroabietic acid was prepared from disproportionated rosin by means of fractional acidification. 以歧化松香为原料,采用树脂酸逐级酸化分离的方法制备高纯度脱氢枞酸。
- It is not necessary to use natural pure abietic acid and dehydroabietic acid and they are not easily obtained as standard substances. 该法不仅可以克服松香中各异物体及同系物的干扰,而且不必用极难制备和保存的天然纯枞酸和脱氢枞酸作标样。
- The comparison of isolation methods of dehydroabietic acid was carried out,using disproportionated rosin as raw material by GC method. 以歧化松香为原料、气相色谱为分析手段进行了脱氢枞酸单离方法的比较。
- Their types of structures were mainly dehydroabietic acid type and rearranged dehydroabietic acid type.Their biological activities were mainly antioxidant,antimicrobe and antitumour. 结构类型以脱氢松香酸型及重排脱氢松香酸型三环二萜酚类为主。
- Synthesis of sucrose dehydroabietic acid esters by solvent method 去氢枞酸蔗糖酯的溶剂法合成
- Keywords dehydroabietic acid;acetophenone;acylhydrazone;synthesis; 去氢枞酸;苯乙酮;酰腙;合成;
- ( 2-acryloyloxy ) ethyl ester of dehydroabietic acid 脱氢枞酸（β-丙烯酰氧基乙基）酯
- Keywords dehydroabietic acid;abietic acid;chiral catalyst; 脱氢枞酸;松香酸;手性催化剂;
- Preparation of Optically Pure Dehydroabietic Acid from Yunnan Gum Resin 云南脂松香制备光学纯去氢枞酸的研究
- Preparation of high purity dehydroabietic acid by fractional acidification 逐级酸化法制备高纯度脱氢枞酸
- Synthesis and Characterization of Two Quinolines from Dehydroabietic Acid 两种脱氢松香基喹啉衍生物的合成与表征
- Study on Determination of Dehydroabietic Acid by Ultraviolet Spectrophotometry 脱氢枞酸紫外光谱分析研究
- Keywords mixed rosin;disproportionation;abietic acid;dehydroabietic acid; 混合松香;歧化反应;枞酸;去氢枞酸;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Synthesis and Characterization of Methyl Furazandehydroabietates from Dehydroabietic Acid 脱氢松香酸甲酯呋咱衍生物的合成与表征
- Synthesis and Characterization of Two Quinoline Derivatives from Dehydroabietic Acid 脱氢松香酸甲酯喹啉衍生物的合成与表征
- Non-isothermal Crystallization Kinetics of Polypropylene Nucleated by Dehydroabietic Acid 去氢枞酸类成核剂改性聚丙烯的非等温结晶动力学研究
- Research progress on abietic acid, dehydroabietic acid and their bioactive derivatives 枞酸和去氢枞酸生物活性衍生物研究进展
