Basic information Safety Supplier Related

5-Fluoroisatonic anhydride

Basic information Safety Supplier Related

5-Fluoroisatonic anhydride Basic information

Product Name:
5-Fluoroisatonic anhydride
Synonyms:
  • 6-FLUORO-2H-3,1-BENZOXAZINE-2,4(1H)-DIONE
  • 6-fluoro-1H-benzo[d][1,3]oxazine-2,4-dione
  • 6-fluoro-1H-3,1-benzoxazine-2,4-dione
  • 6-fluoro-1H-3,1-benzoxazine-2,4-quinone
  • 6-FLUORO ISATIN ANHYDRIDE
  • 5-FLUOROISATOIC ANHYDRIDE
  • 5-FLUOROISATONIC ANHYDRIDE
  • 6-Fluorobenzo[d][1,3]oxazine-2,4-dione
CAS:
321-69-7
MF:
C8H4FNO3
MW:
181.12
EINECS:
640-488-8
Product Categories:
  • Miscellaneous
  • Aromatics
  • Heterocycles
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
Mol File:
321-69-7.mol
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5-Fluoroisatonic anhydride Chemical Properties

Melting point:
259-262°C
Density 
1.502±0.06 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
soluble in DMSO
form 
powder
pka
9.61±0.20(Predicted)
color 
Off-white to pale yellow
CAS DataBase Reference
321-69-7(CAS DataBase Reference)
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Safety Information

Risk Statements 
36/37/38
Safety Statements 
26-36
HazardClass 
IRRITANT
HS Code 
2934999090
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5-Fluoroisatonic anhydride Usage And Synthesis

Chemical Properties

Dark yellow Solid

Uses

5-Fluoroisatoic Anhydride is a versatile pharmaceutical intermediate used in the preparation of insulin secretagogues, HCV polymerase inhibitors, anxiolytic agents and other bioactive compounds.

Preparation

5-Fluoroisatonic anhydride is prepared from 5-fluoro indole (9d) by stirring in a 4:1 mixture of DMF/H2O for 16 h at room temperature.
1 H NMR (DMSO-d6): δ11.19 (s, br., 1H), 7.36 (dd, J = 8.4, 2.6 Hz, 1H), 6.87 (dt, J = 8.4, 2.2 Hz, 1H), 6.74 (dd, J = 9.3, 2.2 Hz, 1H).

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