千層紙素A

化合物

千層紙素A(英語:Oroxylin A,也稱為5,7-二羥基-6-甲氧基黃酮,5,7-Dihydroxy-6-methoxyflavone)是一種天然的O-甲基化黃酮類化合物,存在於黃芩(學名:Scutellaria baicalensis[1]美黃芩(學名:Scutellaria lateriflora[2][3]木蝴蝶(學名:Oroxylum indicum[4]等植物中。

Oroxylin A
Skeletal formula
Ball-and-stick model of oroxylin A
IUPAC名
5,7-Dihydroxy-6-methoxyflavone
別名 Baicalein 6-methyl ether
識別
CAS號 480-11-5  checkY
PubChem 5320315
ChemSpider 4478428
SMILES
 
  • COC1=C(C=C2C(=C1O)C(=O)C=C(O2)C3=CC=CC=C3)O
InChI
 
  • InChI=1S/C16H12O5/c1-20-16-11(18)8-13-14(15(16)19)10(17)7-12(21-13)9-5- 3-2-4-6-9/h2-8,18-19H,1H3
InChIKey LKOJGSWUMISDOF-UHFFFAOYSA-N
ChEBI 61668
性質
化學式 C16H12O5
摩爾質量 284.26 g/mol g·mol⁻¹
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

參考文獻

  1. ^ Li, Hua-Bin; Chen, Feng. Isolation and purification of baicalein, wogonin and oroxylin A from the medicinal plant Scutellaria baicalensis by high-speed counter-current chromatography. Journal of Chromatography A. 2005-05, 1074 (1-2): 107–110. doi:10.1016/j.chroma.2005.03.088. 
  2. ^ Li J, Ding Y, Li XC, Ferreira D, Khan S, Smillie T, Khan IA. Scuteflorins A and B, dihydropyranocoumarins from Scutellaria lateriflora. J. Nat. Prod. 2009, 72 (6): 983–7. PMID 19555121. doi:10.1021/np900068t. 
  3. ^ Nishikawa K, et al. Phenolics in tissue cultures of Scutellaria (PDF). Natural Medicines. 1999, 53 (4): 209–13. 
  4. ^ The constitution of oroxylin-A, a yellow colouring matter from the root-bark of Oroxylum indicum, vent R. C. Shah, C. R. Mehta and T. S. Wheeler