Potassium Nitrate → 2H-3,1-Benzoxazin-2-one, 6-bromo-1,4-dihydro-5-methyl-8-nitro-

HRID 1387260Notes

Reaction equation

HRID 1387260 reaction equation
[Br:1][C:2]1[CH:12]=[CH:11][C:5]2[NH:6][C:7](=[O:10])[O:8][CH2:9][C:4]=2[C:3]=1[CH3:13].[N+:14]([O-])([O-:16])=[O:15].[K+]>OS(O)(=O)=O>[Br:1][C:2]1[CH:12]=[C:11]([N+:14]([O-:16])=[O:15])[C:5]2[NH:6][C:7](=[O:10])[O:8][CH2:9][C:4]=2[C:3]=1[CH3:13]

Participants

4

Reactant 2

HCID 24434Potassium NitrateHCID 107765166-Bromo-5-methyl-1H-benzo[d][1,3]oxazin-2(4H)-one

Product 1

HCID 107556822H-3,1-Benzoxazin-2-one, 6-bromo-1,4-dihydro-5-methyl-8-nitro-

Reagents, catalysts & solvents 1

HCID 1118Sulfuric AcidSolvent

Procedure

To a solution of 6-bromo-5-methyl-1,4-dihydro-benzo[d][l,3]oxazin-2-one (0.726 g, 3 mmol) in concentrate H2SO4 (4 mL), KNO3 (0.303 g, 3 mmol) was added at 0° C. Reaction mixture stirred 14 hours and poured over crushed ice. Yellow precipitate was obtained, which was filtered and dried.

Workup

  1. customReaction mixture
  2. additionpoured
  3. customover crushed ice
  4. customYellow precipitate was obtained
  5. filtrationwhich was filtered
  6. customdried

Sources & evidence

ORD record
ord-96d05f48de7c4cc1bc8a0fd396ccc81f
Source dataset
uspto-grants-2001_07
Patent number
US06268366B1

Reaction notes

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