Pisatin

Pisatin (3-hydroxy-7-methoxy-4′,5′-methylenedioxy-chromanocoumarane) is the major phytoalexin made by the pea plant Pisum sativum. It was the first phytoalexin to be purified and chemically identified. The molecular formula is C17H14O6.

Pisatin
Names
Preferred IUPAC name
(6aR,12aR)-3-Methoxy-6H,9H-[1,3]dioxolo[4′,5′:5,6][1]benzofuro[3,2-c][1]benzopyran-6a(12aH)-ol
Other names
(+)-Pisatin
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C17H14O6/c1-19-9-2-3-10-12(4-9)20-7-17(18)11-5-14-15(22-8-21-14)6-13(11)23-16(10)17/h2-6,16,18H,7-8H2,1H3/t16-,17+/m1/s1
    Key: LZMRDTLRSDRUSU-SJORKVTESA-N
  • COc1ccc2c(c1)OC[C@]3([C@@H]2Oc4c3cc5c(c4)OCO5)O
Properties
C17H14O6
Molar mass 314.293 g·mol−1
Related compounds
Related compounds
 anhydropisatin, (−)-maackiain, calycosin
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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