红粉苔酸

红粉苔酸（英语：Lecanoric acid）是一种有机化合物，分子式C₁₆H₁₄O₇，属于一种多酚和二缩酚酸，存在于许多地衣中^[1]，能作为抗氧化剂^[2]。红粉苔酸在地衣中由苔色酸合成，能再转化为三苔色酸^[3]。

红粉苔酸
IUPAC名 4-[(2,4-Dihydroxy-6-methylbenzoyl)oxy]-2-hydroxy-6-methylbenzoic acid
别名	茶渍酸，地衣缩酚酸，Orsellinate depside
识别
CAS号	480-56-8  Y
PubChem	99613
ChemSpider	89997
SMILES	CC1=CC(=CC(=C1C(=O)OC2=CC(=C(C(=C2)C)C(=O)O)O)O)O
3DMet	B00509
ChEBI	15871
KEGG	C02868
性质
化学式	C16H14O7
摩尔质量	318.28 g·mol−1
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

参考文献

1. Lecanoric acid. PubChem. National Center for Biotechnology Information. [27 June 2019].
2. Luo, Heng; Yamamoto, Yoshikazu; A Kim, Jung; Jung, Jae Sung; Koh, Young Jin; Hur, Jae-Seoun. Lecanoric acid, a secondary lichen substance with antioxidant properties from Umbilicaria antarctica in maritime Antarctica (King George Island). Polar Biology. 13 March 2009, 32 (7): 1033–1040. Bibcode:2009PoBio..32.1033L. S2CID 9256291. doi:10.1007/s00300-009-0602-9.
3. Frederick W. Canter, Alexander Robertson，Roy B. Waters. 123. Lichen acids. Part V. A synthesis of methyl O-tetramethylgyrophorate. Journal of the Chemical Society (Resumed): 493–495. doi:10.1039/JR9330000493.