Chromone

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Chromone
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).
☒N verify (what is checkY☒N ?)

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.

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

Examples

See also

References

  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 links