Fluorone

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Not to be confused with fluorene, fluorenone, or fluorine.

Fluorone


IUPAC name Xanthen-3-one
Other names 3-Isoxanthone; 3-Oxo-3H-xanthene
Identifiers
CAS number	494-41-7
PubChem	11333049
ChemSpider	9507995^Y
Jmol-3D images	Image 1
SMILES O=C/2/C=C\C1=C\c3c(O/C1=C\2)cccc3
InChI InChI=1S/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H^Y Key: FRIPRWYKBIOZJU-UHFFFAOYSA-N^Y InChI=1/C13H8O2/c14-11-6-5-10-7-9-3-1-2-4-12(9)15-13(10)8-11/h1-8H Key: FRIPRWYKBIOZJU-UHFFFAOYAE
Properties
Molecular formula	C₁₃H₈O₂
Molar mass	196.20 g mol⁻¹
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Fluorone is a heterocyclic chemical compound. It forms the core structure for various chemicals, most notably fluorone dyes,^[1] including fluorescein, erythrosine and rhodamine. It is an isomer of xanthone, sometimes referred to as an isoxanthone.

Chemical structure of erythrosine

References

↑ Shi, Jianmin; Zhang, Xianping; Neckers, Douglas C (1992). "Xanthenes: fluorone derivatives". Journal of Organic Chemistry 57 (16): 4418–4421. doi:10.1021/jo00042a020.

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