coumarins相关论文
Pharmaceutical research has focused on the discovery and development of anticancer drugs.Clinical application of chemoth......
One Step Preparative Isolation and Purification of three Major Coumarins from Peucedanum praeruptoru
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Coumarins represent a class of synthetically useful heterocyclic compounds that have been accredited with a broad range ......
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Three new coumarins,integmarins A-C(1-3),and a new coumarin glycoside,integmaside A(4)were isolated from the leaves and ......
Cyanomethylation and Cyclization of Aryl Alkynoates with Acetonitrile under Transition Metal-free Co
Cyano group exists in a number of natural products and pharmaceuticals.It is also an important structural motif in o......
Dispersive liquid-liquid microextraction coupled with HPLC for determination of apparent partition c
In this paper, two methods, organic solvent dispersive liquid-liquid microextraction (OS-DLLME) and ionic liquid dispers......
OBJECTIVE: Different parts of Murraya paniculata have been used traditionally for treating several ailments including me......
Quantitative and qualitative analysis of common peaks in chemical fingerprint of Yuanhu Zhitong tabl
A quality control (QC) strategy for quantitative and qualitative analysis of “common peaks” in chemical fingerprint wa......
Bone density and biomechanical effects of total coumarins of Cnidium monnieri on glucocorticoids-induced os......
近期的研究中,在亚麻科植物白花柴中分离得到了18个化合物,包括7个萜类化合物(1-7),3个简单的苯丙素类化合物(8-10),3个香豆素类化......
运用多种色谱和波谱方法对蛇婆子地上部分的化学成分进行研究,从中分离鉴定了16个化合物,包括5个萜类(1-5),4个香豆素(6-9),6个黄......
Crystal Structure and Spectroscopic Properties of the Donor-acceptor Complex of 2-Amino-1,3-benzo- t
本文通过对荣华二采区10...
Objective To identify the coumarins constituents in Cnidium monnieri and classify ten samples into three groups and this......
Oxalic acid was found to be an efficient catalyst for Pechmann condensation,which includes the reaction between phenols ......
Silica triflate,as a new silica-based reagent,can be used for the efficient synthesis of 4-substituted coumarins via a P......
Melamine-formaldehyde resin supported H~+ is used as an efficient catalyst in the Pechmann condensation reaction of phen......
Synthesis and Antitumor Activity of Novel Coumarin Derivatives via a Three-component Reaction in Wat
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis and bioactivity of novel coumarin derivatives containing (E)-methyl 2-(methoxyimino)-2-phe
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
An efficient synthesis of some new 3-bipyridinyl substituted coumarins as potent antimicrobial agent
As a part of the ongoing studies in developing new antimicrobials,a series of structurally novel 3- bipyridinyl substitu......
利用多种柱层析方法,从法落海(Angelica apaensis)95%乙醇提取物中分离得到8个化合物.经IR、MS、NMR等波谱数据鉴定为氧化前胡素(o......
Quantitative and qualitative analysis of common peaks in chemical fingerprint of Yuanhu Zhitong tabl
A quality control (QC) strategy for quantitative and qualitative analysis of “common peaks” in chemical fingerprint wa......
Silica-bonded S-sulfonic acid(SBSSA) was prepared by the reaction of 3-mercaptopropylsilica(MPS) and chlorosulfonic acid......
目的高效液相色谱法(HPLC法)测定阿图什无花果叶汁中伞形花内酯、佛手柑内酯和补骨脂素3种香豆素的含量。方法色谱柱Sunfire C_(18......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis and bioactivity of novel coumarin derivatives containing (E)-methyl 2-(methoxyimino)-2-phe
Ten coumarin derivatives containing (E)-methyl 2-(methoxyimino)-2-phenylacetate were synthesized and bioassayed. The com......
Melamine-formaldehyde resin supported H+ is used as an efficient catalyst in the Pechmann condensation reaction of pheno......
香豆素类化合物在自然界广泛存在,因其具有抗肿瘤、抗病毒、抗凝结、抗抑郁、降血糖等多种生物活性及荧光特性,一直以来是药物开发......
应用气相色谱-质谱选择离子法同时测定化妆品中5种香豆素（7-甲氧基香豆素、二氢香豆素、7-甲基香豆素、醋硝香豆素和7-乙氧基-4-甲......
石斛作为我国传统的中草药,具有较好的生理活性。石斛中主要的特征成分包括酚类、碱类和香豆素类化合物,对这些化合物的化学结构、......
目的 :为确认中药白芷的基原植物提供化学成分方面的资料。方法 :运用高效液相及与标准品对照的方法对 4类栽培白芷 (川、杭、祁、......
目的：对黄花败酱的化学成分进行研究。方法：采用乙醇提取，溶剂萃取，硅胶柱层析，重结晶等从败酱科植物黄花败酱的全草中提取分离活性成分......
目的从福参Angelica morri Hayata饮片中提取分离活性成分.方法 95%乙醇提取、石油醚萃取、硅胶柱层析、重结晶等.结果分离到7个化......
初步确定了蝙蝠葛茎叶中所含化学成分,结果表明,其中含有生物碱、甾体成分、内酯、香豆素及其甙类、酚性成分、鞣质、油脂、糖类及......
以21种香豆素类化合物的结构参数、拓扑指数为描述符,借助逐步回归方法建立了多个香豆素类分子结构同其与人血清白蛋白作用的结合......
香豆素类化合物是中草药中一类重要成分,具有明显的药理活性。该文就近几年国内外关于香豆素类的文献资料进行分析、归纳和总结,对......
从防风根的乙醇浸出物中分离鉴定出8个化合物，通过理化数据及光谱分析，分别鉴定为香柑内酯（Ⅰ），花椒毒内酯（Ⅱ），亥茅酚（Ⅲ），异紫花前胡内酯（Ⅳ），......
对毛莲蒿的化学成分进行研究。方法：采用硅胶和聚酰胺柱析进行分离，动用红外光谱、紫外光谱、质谱、核磁共振谱与标准品对照的方法鉴......
目的 研究假鹊肾树树皮的化学成分。方法 利用溶剂分配法，柱层析色谱进行成分提取，分离，精制。运用ＩＲ，＾１Ｈ－ＮＭＲ，＾３Ｃ－ＮＭＲ和ＭＳ，结合文献对比确定其结构，结果 ......
报道了九里香中６种香豆精－九里香乙素，九里香丙素，海南九里内酯，ｍｕｒｒａｇａｔｉｎ，ｍｅｒａｚｉｎ ｈｙｄｒａｔｅ，ｍｕｒｒａｌｏｇｉｎ的反相高效液相色谱法测定。用Ｎｕｃｋｏｓｉｌ－Ｃ１８键合相柱，乙腈－水－甲醇（３０：１００：１０）为流动相，异补骨脂素......
用倒置显微镜闭路电视系统及细胞内标准微电极法，记录培养心肌细胞的自发性收缩及动作电位，结果发现：应用Ｐｒａ－Ｃ５ｍｉｎ后，心肌细胞收缩频率及细胞边......
切除３月龄ＳＤ大鼠双侧卵巢１２周后，其骨形成的参数值明显增加，同时骨吸收的参数值增加，荧光标记周长与吸收周长的比率－４１％，由于骨吸收大于骨形成，骨......
目的：探讨蛇床果实种内香豆素成分的变异与地理分布的关系及其变异规律。方法：用毛细管ＧＣ法对蛇床果实４８个成群５９个样品中蛇床子素、佛手柑......
目的：建立提取白芷中香豆素类成分的方法。方法：以欧前胡素为指标，用薄层色谱法对提取香豆素类成分所用的溶剂种类、极性和提取方式进......
目的：比较大孔吸附树脂分离的肿节风浸膏中的总黄酮部位和香豆素部位的谱图指纹差异。方法：采用指纹图谱技术，建立了肿节风浸膏的指纹......
目的考察明党参不同器官中香豆素类成分的组织定位、分布及相对含量变化,为科学评价、合理采收及利用明党参资源植物提供实验依据......
<正>A facile approach for the first synthesis of ocimarin,naturally occurring coumarins,was developed by employing a cer......
本文综述了近30年来杜鹃花属（Rhododendron）植物化学成分的研究进展，包括综述该属植物的黄酮类、萜类、香豆素类、甾醇类和挥发油类成......
利用多种柱层析方法,从法落海(Angelica apaensis)95%乙醇提取物中分离得到8个化合物。经IR、MS、NMR等波谱数据鉴定为氧化前胡素(......
采用硅胶、聚酰胺、SephadexLH-20、大孔吸附树脂等柱色谱方法从城口东俄芹的全草中分离得到6个化学成分，根据理化性质和NMR波谱分......
