Ketospiradox

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Ketospiradox
Skeletal formula of ketospiradox Ketospiradox.svg
Skeletal formula of ketospiradox
Names
Preferred IUPAC name
(5',8'-dimethyl-1',1'-dioxospiro[1,3-dioxolane-2,4'-2,3-dihydrothiochromene]-6'-yl)-(2,6-dioxocyclohexylidene)methanolate
Identifiers
3D model (JSmol)
ChemSpider
PubChem CID
  • InChI=1S/C20H22O7S/c1-11-10-13(18(23)16-14(21)4-3-5-15(16)22)12(2)17-19(11)28(24,25)9-6-20(17)26-7-8-27-20/h10,23H,3-9H2,1-2H3/p-1
    Key: RXGWQJFJQKQKPH-UHFFFAOYSA-M
  • CC1=CC(=C(C2=C1S(=O)(=O)CCC23OCCO3)C)C(=C4C(=O)CCCC4=O)[O-]
Properties
C20H21O7S
Molar mass 405.44 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ketospiradox is a chemical herbicide. A triketone [1] and aroylcyclohexanedione herbicide, it is a 4-hydroxyphenylpyruvate dioxygenase inhibitor that causes bleaching in broadleaf and grass weeds. [2] Its formula is C20H21O7S. [3]

Uses

Ketospiradox is a synthetic herbicide. It does not have an ISO common name, [1] and was given its current name by the Weed Science Society of America in 2010. [4] The herbicide is applicable to maize, asparagus, and sweetcorn, among other crops, but is not approved for use in the United Kingdom or any European Union member states. [2]

References

  1. 1 2 "Ketospiradox". Compendium of Pesticide Common Names. British Crop Production Council. Retrieved August 22, 2025.
  2. 1 2 "Ketospiradox". Pesticide Properties DataBase. University of Hertfordshire. Retrieved August 22, 2025.
  3. ↑ "Ketospiradox". PubChem . National Center for Biotechnology Information . Retrieved August 22, 2025.
  4. ↑ "Common and Chemical Names of Herbicides Approved by the Weed Science Society of America" (PDF). Weed Science. 58 (4): 511–518. 2010. Bibcode:2010WeedS..58..511.. doi:10.1614/0043-1745-58.4.511.


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