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Benzisoxazole
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Benzisoxazole

IUPAC name 1,2-Benzisoxazole
Other names 2,1-Benzisoxazole, Anthranil, Benzo[d]isoxazole, Benz[c]isoxazole
Identifiers
CAS number 271-58-9
PubChem 67498
EINECS number 205-980-5
SMILES [show]
o1ncc2ccccc12
InChI [show]
1/C7H5NO/c1-2-4-7-6(3-1)5-9-8-7/h1-5H
Properties
Molecular formula C7H5NO
Molar mass 119.12 g mol?1
Appearance Colorless liquid
Density 1.18 g/cm3
Boiling point 35 - 38 °C (2.67 hPa)
101 - 102 °C (2 kPa)

Hazards
S-phrases S24/25, S28A, S37, S45
Flash point 58 °C
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox references

Benzisoxazole is an aromatic organic compound with a molecular formula C7H5NO containing a benzene-fused isoxazole ring structure. Benzisoxazole has no household use. It is used primarily in industry and research.

Being a heterocyclic compound, benzisoxazole finds use in research as a starting material for the synthesis of larger, usually bioactive structures. It is found within the chemical structures of pharmaceutical drugs such as the antipsychotic risperidone and the anticonvulsant zonisamide.

Its aromaticity makes it relatively stable, although as a heterocycle, it has reactive sites which allow for functionalization.
 
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