Ailanthone

Ailanthone is a quassinoid allelochemical produced by the tree Ailanthus altissima (commonly known as tree of heaven).^[1] It is a key agent behind the tree's strong allelopathic effects, which inhibit the growth of competing plants by suppressing seed germination and disrupting root elongation.^[2][3][4] Native to China, Ailanthus altissima has become one of the worst invasive species in North America and Europe, where ailanthone is known to contribute significantly to its competitive spread.^[3][5][6]

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Ailanthone

Identifiers
CAS Number	981-15-7 Y
3D model (JSmol)	Interactive image
ChemSpider	65781
ECHA InfoCard	100.208.660
PubChem CID	72965
CompTox Dashboard (EPA)	DTXSID10913455
InChI InChI=1S/C20H24O7/c1-8-4-12(21)16(24)18(3)10(8)5-13-19-7-26-20(25,17(18)19)15(23)9(2)11(19)6-14(22)27-13/h4,10-11,13,15-17,23-25H,2,5-7H2,1,3H3/t10-,11-,13+,15+,16+,17+,18+,19+,20-/m0/s1 Key: WBBVXGHSWZIJST-RLQYZCPESA-N InChI=1/C20H24O7/c1-8-4-12(21)16(24)18(3)10(8)5-13-19-7-26-20(25,17(18)19)15(23)9(2)11(19)6-14(22)27-13/h4,10-11,13,15-17,23-25H,2,5-7H2,1,3H3/t10-,11-,13+,15+,16+,17+,18+,19+,20-/m0/s1 Key: WBBVXGHSWZIJST-RLQYZCPEBG
SMILES CC1=CC(=O)[C@H]([C@]2([C@H]1C[C@@H]3[C@]45[C@@H]2[C@]([C@@H](C(=C)[C@@H]4CC(=O)O3)O)(OC5)O)C)O
Properties
Chemical formula	C20H24O7
Molar mass	376.405 g·mol−1
Density	1.47 g/cm3
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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