A fungal metabolite
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Dihydropyrenophorin

Item No. 33536

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
13S-hydroxy-8R,16R-dimethyl-1,9-dioxacyclohexadeca-3E,11E-diene-2,5,10-trione
CAS Number
1073287-13-4
Synonyms
  • (−)-Dihydropyrenophorin
Molecular Formula
C16H22O6
Formula Weight
310.3
Purity
≥95%
Formulation (Request formulation change)
A solid
SMILES
C[C@H]1OC(/C=C/C(CC[C@H](OC(/C=C/[C@H](CC1)O)=O)C)=O)=O
InChi Code
InChI=1S/C16H22O6/c1-11-3-5-13(17)8-10-16(20)22-12(2)4-6-14(18)7-9-15(19)21-11/h7-13,17H,3-6H2,1-2H3/b9-7+,10-8+/t11-,12-,13+/m1/s1
InChi Key
BKJDRLKIIICLOD-CEBWGLJESA-N
Origin
Fungus/Unidentified sp.
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Dihydropyrenophorin is a macrolide fungal metabolite and derivative of pyrenophorin (Item No. 33502) originally isolated from D. avenae that has herbicidal and phytotoxic activities.1 It is herbicidal against S. halepense when used at a concentration of 0.065 µM. Dihydropyrenophorin is phytotoxic to a variety of agricultural crops, including barley, sorghum, wheat, and oats, as well as grasses, including goosegrass and Bermuda grass, in leaf puncture assays.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Sugawara, F., and Strobel, G.A. (−)-Dihydropyrenophorin, a novel and selective phytotoxin produced by Drechslera avenae. Plant Sci. 43(1), 1-5 (1986).