Determination of isopimaric acid in leaves of Platycladus orientalis and its preparations Cebai No.V Capsula and Isopimaric Acid Capsula by HPLC;
HPLC法测定侧柏叶及其制剂侧柏Ⅴ号胶囊和异海松酸胶囊中异海松酸
Rosin type can be determined and distinguished from the content of isopimaric acid and the quantity ratio of pimaric acid/isopimaric acid.
用纯马尾松松脂、纯湿地松松脂、纯思茅松松脂制得松香样品;应用DB-5毛细管柱对松香样品中主要的树脂酸含量进行了气相色谱定量分析;通过测定松香样品中异海松酸GC含量和海松酸/异海松酸GC含量的比值,可以确定并鉴别松香所属种类。
Result: Eight compounds were isolated and identified as isopimaric acid(Ⅰ), β-sitosterol(Ⅱ), 24R, 5α-stigmast-3,6-dione(Ⅲ), larixol(Ⅳ), ferulic acid(Ⅴ), lariciresinol(Ⅵ), secroisolariciresinol(Ⅶ)and isolariciresinol(Ⅷ).
结果:从其醇提物的氯仿部分分离并鉴定了8个化合物,分别为:异海松酸(Ⅰ),β-谷甾醇(Ⅱ),24R-5α-豆甾烷-3,6二酮(Ⅲ),larixol(Ⅳ),阿魏酸(Ⅴ),落叶松脂醇(Ⅵ),开环异落叶松脂醇(Ⅶ),异落叶松脂醇(Ⅷ)。
Progress of research and application of maleopimaric acid and its derivatives;
马来海松酸及其衍生物的研究与应用进展
Synthesis of maleopimaric acid under microwave irradiation
微波辐射条件下马来海松酸的合成研究
A series of polyethoxylated maleopimaric acid glycerol ester(MRGEO) with different oxyethylene unit( n ) were synthesized.
合成了不同聚合度的马来海松酸甘油酯聚氧乙烯醚 (MRGEO) 。
Objective:To determine isopimaric ac id in leaves of Platycladus orientalis (L.) Franco by TLC-Scanning and study t he methodology of the determination.
目的 :采用薄层扫描法测定侧柏叶中异海松酸的含量 ,并进行方法学研究。
Study on Thermal Variation Rule of Pimaric-type Acids in Rosin
松香中海松酸型树脂酸热作用变化规律的研究
Study on Composition Variation Relationships of Pimaric-type Resin Acids in Rosin at Acidic Conditions
松香中海松酸型树脂酸在酸作用下的组成变化规律
Study on Isomerization Reaction of Turpentine Catalyzed by Solid Acid;
松节油固体酸催化异构化反应的研究
Kinetics of Synthesis (-)Abietic acid Based on Rosin
松香合成(-)枞酸的异构反应动力学研究
Study on New Technology for Isolating Levopimaric Acid from Pine Oleoresin
从松脂中分离左旋海松酸的新工艺研究
Rosin Directly-Modified Polyisocyanate Prepolymer with Low Free-TDI Content
松香直接改性低游离TDI多异氰酸酯预聚物
Rosin Ester Resin Modified Polyisocyanate Prepolymer with Low Free TDI Content
松香酯树脂改性低游离TDI多异氰酸酯预聚物
Synthesis of maleopimaric acid under microwave irradiation
微波辐射条件下马来海松酸的合成研究
Synthesis and Characterization of N-(Substituted phenyl)maleopimarimide
N-(取代苯基)马来海松酸酰亚胺的合成及表征
Triassic Allochthonous Carbonate Blocks and Carbonate Debris Flows in Songpan Area and Its Palaeogeographical Implications
松潘地区三叠纪异地碳酸盐岩块体和碳酸碎屑流及其古地理意义
The Research on Synthesis of MPA and Self-Drying MPA-Modified Water-Borne Alkyd Resin;
马来海松酸酐（MPA）的合成及其对自干型水溶性醇酸树脂的改性研究
Synthesis of UV-Curable Acrylpimaric Acid Polyurethane Acrylate and Film Properties
UV固化丙烯海松酸聚氨酯丙烯酸酯的合成及其涂膜性能
Effect of Dexamethasone on the Microglia of Hippocampus CA3 in the Seizure Rats Induced by KA;
地塞米松对海人酸致痫大鼠海马CA3区小胶质细胞的影响
Catalytic Isomerization of Slash Pine Rosin by Strong Acid Type Cation Exchange Resin Cooperated with Microwave
微波协同强酸性阳离子交换树脂催化湿地松香异构化反应
Effects of TCCA on growth of phytoplankton in mariculture areas
三氯异氰尿酸对养殖海域浮游植物生长的影响
All HA's showed a loose spongy structure with a large number of internal spaces.
所有腐植酸都有疏松的海绵结构，同时有大量的内部空间。
Research on the Preparation and the Application of New Maleopimaric Acid Diethanolamine Antirust
新型防锈剂马来海松酸醇酰胺的制备及其应用研究