Chromone

Chromone (or 1,4-benzopyrone) is a derivative of benzopyran with a substituted keto group on the pyran ring. It is an isomer of coumarin.

Chromone
Chromone.svg
Names
IUPAC name
Chromen-4-one
Preferred IUPAC name
4H-1-Benzopyran-4-one
Other names
4-Chromone; 1,4-Benzopyrone; 4H-Chromen-4-one; Benzo-gamma-pyrone; 1-Benzopyran-4-one; 4H-Benzo(b)pyran-4-one
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.007.035 Edit this at Wikidata
UNII
  • InChI=1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H ☒N
    Key: OTAFHZMPRISVEM-UHFFFAOYSA-N ☒N
  • InChI=1/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H
    Key: OTAFHZMPRISVEM-UHFFFAOYAY
  • O=C1C=COc2ccccc12
Properties
C9H6O2
Molar mass 146.145 g·mol−1
Acidity (pKa) -2.0 (of conjugate acid)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Derivatives of chromone are collectively known as chromones. Most, though not all, chromones are also phenylpropanoids.

ExamplesEdit

See alsoEdit

ReferencesEdit

  1. ^ Eucryphin, a new chromone rhamnoside from the bark of Eucryphia cordifolia. R. Tschesche, S. Delhvi, S. Sepulveda and E. Breitmaier, Phytochemistry, Volume 18, Issue 5, 1979, pages 867–869, doi:10.1016/0031-9422(79)80032-1
  2. ^ HOWELL, J.B. & ALTOUNYAN, R.E. (1967). A double-blind trial of disodium cromoglycate in the treatment of allergic bronchial asthma. Lancet, 2, 539–542. Abstract

External linksEdit