齐墩果酸

Oleanolic acid[1]
	IUPAC名; (4aS,6aR,6aS,6bR,8aR,10S,12aR,14bS)-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylic acid
	系统名; (1R,2S,5S,10S,14R,15R,18S,20R)-18-hydroxy-1,2,8,8,15,19,19-heptamethylpentacyc lo[12.8.0.02,11.05,10.015,20]docos-11-ene-5-carboxylic acid; (1R,2S,5S,10S,14R,15R,18S,20R)-1,2,8,8,15,19,19-七甲基-18-羟基五环[12.8.0.02,11.05,10.015,20]-11-二十二烯-5-甲酸
别名	Oleanic acid
识别
CAS号	508-02-1
PubChem	10494
ChemSpider	10062
SMILES	O=C(O)[C@@]54[C@H](/C3=C/C[C@H]1[C@](CC[C@@H]2[C@]1(C)CC[C@H](O)C2(C)C)(C)[C@]3(C)CC4)CC(C)(C)CC5;
InChI	1S/C30H48O3/c1-25(2)14-16-30(24(32)33)17-15-28(6)19(20(30)18-25)8-9-22-27(5)12-11-23(31)26(3,4)21(27)10-13-29(22,28)7/h8,20-23,31H,9-18H2,1-7H3,(H,32,33)/t20-,21-,22+,23-,27-,28+,29+,30-/m0/s1;
InChIKey	MIJYXULNPSFWEK-GTOFXWBIBS
EINECS	208-081-6
ChEBI	37659
IUPHAR配体	3306
性质
化学式	C30H48O3
摩尔质量	456.7 g·mol−1
外观	White
熔点	300 °C（573 K）
	若非注明，所有数据均出自一般条件（25 ℃，100 kPa）下。

齐墩果酸（英語：或oleanic acid）是一种天然的五环三萜物质，带有齐墩果烷的骨架，其羟基位置与羧基位置与熊果酸、白桦脂酸上的羟基与羧基位置类似。齐墩果酸以游离酸或三萜皂苷的糖苷配基形式存在于许多植物与食品中[2]。

参考文献

. Sigma-Aldrich. Merck. [November 29, 2018].
Pollier J, Goossens A. . Phytochemistry. May 2012, 77: 10–15. PMID 22377690. doi:10.1016/j.phytochem.2011.12.022.

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