类生物碱类

In our continuous chemical and pharmacological studies of indole alkaloids possessing analgesic activity, we have been interested in compounds of this type, which have been isolated from plants belonging to genera Calycanthaceae, Idiospermaceae, and Rubiaceae.

在连续化学和吲哚生物碱具有镇痛活性的药理学研究当中，我们一直在关注从腊梅科，奇子数科，茜草科这类植物分离出来的这种类型的化合物。

Tyrosine is a precursor of certain alkaloids, and of various phenolic inhibitors such as coumaric acid.

酪氨酸是特殊生物碱和许多酚类抑制剂的前体物质，如：香豆酸。

Berberine, a plant isoquinoline, isolated from Coptis chinensis, exhibited a remarkable inhibitory effect on protein and DNA synthesis, retarding cancer cell progression through the cell cycle, and inhibition of tumor growth in nude mice.

小蘗碱为异奎？类的植物生物碱，它有很多的药理作用，包含许多抗发炎以及抗微生物的效果，此外小蘗碱也可以抑制DNA和蛋白质的合成、阻断癌细胞的细胞周期进行，以及在裸鼠上可以发现癌细胞的生长抑制。

A method is established for determinating Clivorine in Ligularia hodgsoni .

建立了 HPLC技术测定山紫菀类药物——鹿蹄橐吾中的 Clivorine生物碱的定量分析方法。

Results :Stachys geobombycis may contain constituents, alkaloids,flavones and glycosides,ploysugars and organic acid etc .

结果 地蚕中可能含有生物碱、黄酮及其苷类、多糖、有机酸等成分。

Method］ Alcohol solvent extraction method was used to extract the total extract of Thermopsis lanceolata, and it was treated by acid-soluble and alkalization. Then chloroform was used to extract the total alkaloids. Finally, GC-MS was used to analyze and identify the chemical composition.

方法］采用醇类溶剂提取法，提出披针叶黄华总浸膏，经酸溶、碱化处理，再用氯仿萃取出总生物碱，利用GC-MS法对其化学成分进行分析鉴定。

The results showed that: the secondary metabolites of JG1102, YZ1104 and HQin0116 have the same or similar alkaloid and flavone compositions as the plants they parasitized.

结果表明：菌株JG1102、YZ1104和HQin0116与其宿主原植物含有相同或相似生物碱和黄酮类的有效成分。

Benzoyl chloride, phthaloyl dichloride, isophthaloyl dichloride and terephthaloyl dichloride were reacted with cinchona alkaloids to form 16 esters type catalysts 4a-d, 5a-d, 6a-d and 7a-d.

1对于溴乙酰甲酸乙酯为底物的反应，这类以酯键形成的金鸡纳生物碱衍生物表现出的不对称诱导作用不令人满意(22-75%ee)。

These compounds are alkaloids, steroid and organic acids and two of them are novel compounds.

结果表明这些化合物属于生物碱、甾醇和有机酸类物质，其中有两个为新化合物。

The foliage, bark, and seeds—but not the fleshy red aril –of yew contain a mixture of alkaloids, diterpenes, ligans, tannin and resin,which make it extremely toxic.

除了鲜红的假种皮，红豆杉的枝叶、树皮和种子中都含有生物碱、二萜类化合物、木质素、单宁和树脂的混合物，这使得它毒性异常。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。