白桦脂醇
白桦脂醇(英語:,也译作桦木醇)是一种天然的羽扇豆烷型五环三萜化合物,大量存在于桦树的树皮中,比如占到垂枝桦(Betula pendula)树皮干重的30%[2],白樺茸(Inonotus obliquus)[3]和红桤木(Alnus rubra)也有白桦脂醇[4]。
Betulin | |
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IUPAC名 Lup-20(29)-ene-3β,28-diol | |
系统名 (1R,2R,5S,8R,9R,10R,13R,14R,17S,19R)-5-hydroxymethyl-1,2,14,18,18-hexamethyl-8-(1-methylethenyl)pentacyclo[11.8.0.02,10.05,9.014,19]henicosan-17-ol (1R,2R,5S,8R,9R,10R,13R,14R,17S,19R)-1,2,14,18,18-五甲基-5-羟甲基-8-(1-甲基乙烯基)五环[11.8.0.02,10.05,9.014,19]-17-二十一醇 | |
别名 | betulinol, betuline, betulol, betulinic alcohol, trochol |
识别 | |
CAS号 | 473-98-3 |
PubChem | 72326 |
ChemSpider | 65272 |
SMILES |
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InChI |
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InChIKey | FVWJYYTZTCVBKE-ROUWMTJPBQ |
KEGG | C08618 |
性质 | |
化学式 | C30H50O2 |
摩尔质量 | 442.72 g·mol−1 |
外观 | solid with needle-like crystals[1] |
熔点 | 256 - 257 °C(272 K) |
溶解性(水) | insoluble[1] |
溶解性 | 微溶于乙醇和苯,易溶于二乙醚、乙酸乙酯和石油英[1] |
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。 |
参考文献
- Haynes, William M.; Lide, David R.; Bruno, Thomas J. . 95th. Boca Raton, Florida: CRC Press. 2014: 340. ISBN 9781482208689. OCLC 908078665.
- Green, Brian; Bentley, Michael D.; Chung, Bong Y.; Lynch, Nicholas G.; Jensen, Bruce L. . Journal of Chemical Education. 2007-12-01, 84 (12): 1985. Bibcode:2007JChEd..84.1985G. doi:10.1021/ed084p1985 (英语).
- Gao, Yuan; Xu, Hongyu; Lu, Zhenming; Xu, Zhenghong. . Se Pu. November 2009, 27 (6): 745–749. ISSN 1000-8713. PMID 20352924.
- Gregory L., Tilford. . Missoula, Mont.: Mountain Press Pub. 1997: 12. ISBN 9780878423590. LCCN 97000842. OCLC 36307825.
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