Anthranil

Anthranil
Names
	Preferred IUPAC name 2,1-Benzoxazole
Identifiers
CAS Number	271-58-9 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.005.437
EC Number	205-980-5;
PubChem CID	67498;
UNII	58GQ20G9W6 ;
CompTox Dashboard (EPA)	DTXSID00181565 ;
	InChI InChI=1S/C7H5NO/c1-2-4-7-6(3-1)5-9-8-7/h1-5H Key: FZKCAHQKNJXICB-UHFFFAOYSA-N;
	SMILES n1c2ccccc2co1;
Properties
Chemical formula	C7H5NO
Molar mass	119.123 g·mol−1
Appearance	Colorless liquid
Density	1.183 g/mL
Boiling point	101–102 °C (214–216 °F; 374–375 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302
Precautionary statements	P264, P270, P301+P312, P330, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Anthranil (2,1-benzisoxazole) is an organic compound with a molecular formula C₇H₅NO, which features a fused benzene-isoxazole bicyclic ring structure. It is an isomer of the more common compounds benzoxazole and benzisoxazole, which have their oxygen atoms located in the 1-position. The locations of the heteroatoms in anthranil results in disrupted aromaticity, making it by far the least stable of the 3 structural isomers.^[2]

References

^ ^a ^b ^c ^d Sigma-Aldrich Co., Anthranil. Retrieved on 2017-03-02.
^ Domene, Carmen; Jenneskens, Leonardus W.; Fowler, Patrick W. (2005). "Aromaticity of anthranil and its isomers, 1,2-benzisoxazole and benzoxazole". Tetrahedron Letters. 46 (23): 4077–4080. doi:10.1016/j.tetlet.2005.04.014. hdl:1874/14837. ISSN 0040-4039.

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[sigma-1] Sigma-Aldrich Co., Anthranil. Retrieved on 2017-03-02.

[DomeneJenneskens2005-2] Domene, Carmen; Jenneskens, Leonardus W.; Fowler, Patrick W. (2005). "Aromaticity of anthranil and its isomers, 1,2-benzisoxazole and benzoxazole". Tetrahedron Letters. 46 (23): 4077–4080. doi:10.1016/j.tetlet.2005.04.014. hdl:1874/14837. ISSN 0040-4039.

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