Davallialactone

Davallialactone
Names

IUPAC name (4Z)-3-(3,4-Dihydroxyphenyl)-6-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-8-hydroxy-4-(2-oxopropylidene)-3,3a-dihydrofuro[3,4-c]oxepin-1-one
Identifiers
CAS Number	133360-41-5
3D model (JSmol)	Interactive image
ChemSpider	23269604
PubChem CID	54711171
InChI InChI=1S/C25H20O9/c1-12-8-20(30)22(24(33-12)14-4-7-17(27)19(29)10-14)23-21(31)11-15(34-25(23)32)5-2-13-3-6-16(26)18(28)9-13/h2-11,22,24,26-29,31H,1H3/b5-2+/t22-,24-/m1/s1 Key: KYFXISLAEBFZFO-NJPHHMIOSA-N InChI=1/C25H20O9/c1-12-8-20(30)22(24(33-12)14-4-7-17(27)19(29)10-14)23-21(31)11-15(34-25(23)32)5-2-13-3-6-16(26)18(28)9-13/h2-11,22,24,26-29,31H,1H3/b5-2+/t22-,24-/m1/s1 Key: KYFXISLAEBFZFO-NJPHHMIOBO
SMILES CC(=O)/C=C\1/C2C(OC(=O)C2=C(C=C(O1)/C=C/C3=CC(=C(C=C3)O)O)O)C4=CC(=C(C=C4)O)O
Properties
Chemical formula	C₂₅H₂₀O₉
Molar mass	464.43 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Davallialactone is a bio-active hispidin analog isolated from fungi in the genus Inonotus.