Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

Jump to content

Fraxin

From Wikipedia, the free encyclopedia
Fraxin
Names
IUPAC name
8-(β-D-Glucopyranosyloxy)-7-hydroxy-6-methoxy-2H-1-benzopyran-2-one
Systematic IUPAC name
7-Hydroxy-6-methoxy-8-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-2H-1-benzopyran-2-one
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.007.597 Edit this at Wikidata
UNII
  • InChI=1S/C16H18O10/c1-23-7-4-6-2-3-9(18)25-14(6)15(11(7)20)26-16-13(22)12(21)10(19)8(5-17)24-16/h2-4,8,10,12-13,16-17,19-22H,5H2,1H3/t8-,10-,12+,13-,16+/m1/s1
    Key: CRSFLLTWRCYNNX-QBNNUVSCSA-N
  • InChI=1/C16H18O10/c1-23-7-4-6-2-3-9(18)25-14(6)15(11(7)20)26-16-13(22)12(21)10(19)8(5-17)24-16/h2-4,8,10,12-13,16-17,19-22H,5H2,1H3/t8-,10-,12+,13-,16+/m1/s1
    Key: CRSFLLTWRCYNNX-QBNNUVSCBJ
  • COc1cc2ccc(=O)oc2c(c1O)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O
Properties
C16H18O10
Molar mass 370.310 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Fraxin is a glucoside of fraxetin.[1] Fraxin extracted from ash bark exhibits fluorescence in aqueous solution.[2] A blue/green luminescence can be observed by soaking ash twigs in hot water.

Bibliography

[edit]
  1. Hirsch, Anne-Marie; Longeon, Arlette; Guyot, Michèle (January 2002). "Fraxin and esculin: two coumarins specific to Actinidia chinensis and A. deliciosa (kiwifruit)". Biochemical Systematics and Ecology. 30 (1): 55–60. doi:10.1016/S0305-1978(01)00064-3.
  2. Meikle, R. D. (1958). British Trees and Shrubs (Kew Series) (1st ed.). UK: Eyre & Spottiswoode. pp. 129–132.