五环三萜

中药路路通化学成分的研究（Ⅰ）&一种新的五环三萜的结构测定

Studies on the Chemical Constituents of the Lu Lu Tong ( 1 ) Structure Determination of a Novel Pentacyclic Triterpene

熊果酸属于五环三萜类化合物，广泛存在于天然植物中，具有多种显著的药理活性。

Ursolic acid , a pentacyclic triterpene compound , naturally occurs in a large variety of plants , has attracted considerable interest owing to its significant biological activities .

两种天然五环三萜酸的~（13）C核磁共振谱分析

13 C NMR analysis of two natural pentacyclic triterpenic acids

云南甘草中齐墩果烷型五环三萜化合物的NMR谱的研究

NMR studies of pentacyclic triterpenoids of oleanane type from Glycyrrhiza Yunnansis

五环三萜类化合物&齐墩果酸（oleanolicacid）、18β-甘草次酸（18β-Glycyrrhetinicacid）和熊果酸（UrsolicAcid）广泛分布于植物界，显示出多种生物活性。

Oleanolic acid , 18 β - glycyrrhetinic acid and ursolic acid , as pentacyclic triterpenoids , are ubiquitous in the plant kingdom and exhibit various biological activities .

运用波谱，尤其是13C－NMR分析鉴定19α－羟基乌苏酸和2α－羟基白桦脂酸的结构，归属了这两种五环三萜酸各碳的13C核磁共振谱δ值。

The structures of pomolic acid and alphitolic acid were identified by spectra , especially 13 C NMR . The 13 C NMR signals of the compounds werc also assigned .

笔者讨论了一些五环三萜类化合物的药理活性与结构的关系。

This article is reviewing the structure-activity relationship of pentacyclic triterpenes .

五环三萜皂苷生物合成与调控的研究进展

Advances in studies on biosynthesis and regulation of pentacyclic triterpenoid saponin

五环三萜类化合物吸收特征的研究进展

Advances in studies on absorption characteristics of pentacyclic triterpenes

低熟烃源岩中五环三萜类的分布型式

Distribution Patterns of Pentacyclic Triterpenoid Hydrocarbons in Source Rocks

熊果酸及五环三萜同类物的研究进展

Research of Ursolic Acid and Similar Pentacyclic Triterpenoid

五环三萜类化合物抗人肺癌细胞侵袭和诱导细胞凋亡的研究

Study on anti-invasive effect and apoptosis induction of pentacyclic triterpenoid in human lung cancer cells

天津地区表层土壤和河流沉积物中甾烷与五环三萜烷的分布特征及污染源分析

Distribution and sources of steranes and pentacyclic triterpanes in surface soils and bottom sediments from Tianjin

目的：对天然五环三萜进行结构修饰，寻找新型糖原代谢调控药物。

Aim : To search for novel modulators of glycogen metabolism through structural modifications of natural pentacyclic triterpenes .

福安特为五环三萜类化合物，是许多中药复方的主要有效成分之一。

Fu Ante , the pentacyclic triterpenes , is one of the main active ingredients in many Chinese medicines .

在对低热烃源岩萜类标志物的研究中，检测到一些五环三萜类化合物，其分布型式可分为4类；

Four kinds of typical distribution patterns of pentacyclic triterpenoid hydrocarbons have been found in the studies of source rocks .

中药五环三萜类有效成分抗人肺癌细胞增殖和侵袭作用的研究

Studies on proliferation inhibition , anti - invasive activity of Ursolic acid and Oleanolic acid in highly metastasis lung cancer cell line

伊通地堑下第三系原油和生油岩中芳构化五环三萜及其地球化学意义

Aromatic pentacyclic triterpenoids and their significance of Lower Tertiary crude oils and related source rocks from Yitong graben , jilin , northeastern China

五环三萜类化合物作为皂草苷的糖苷配基在自然界中广泛存在，它们中的许多化合物已被用作传统医学的抗炎药物。

Pentacyclic triterpenes as aglycones of saponins have a wide distribution in plants , many of which have been used in empirical anti-inflammatory therapies .

五环三萜是一类重要的天然产物，研究发现生物转化能够对该类化合物进行多种类型的结构修饰。

Pentacyclic triterpenes are among the most important bioactive compounds and biotransformation is a very useful tool to carry out the structural modification on these compounds .

齐墩果酸是一种具有多种药理活性的五环三萜类化合物，临床上用于各种急慢性肝炎的治疗，是多种中药的有效成分。

Oleanolic acid is a widely distributed triterpene possessing many pharmacological activities . As an effective component of many Traditional Chinese Medicines , oleanolic acid is commonly used in the therapy of hepatitis in clinic .

（二）甘草次酸、齐墩果酸等是五环三萜类化合物的典型代表，这些化合物广泛存在于多种天然植物中，具有良好的抗炎、抗菌、抗病毒、保肝等作用。

( 2 ) Glycyrrhetinic acid and oleanolic acid are typical terpenoids . These compounds widely exist in a variety of natural plants , and they have good anti-inflammatory , antibacterial , antiviral , liver protective activities .