Acetic Anhydride → HCID 13341922, compound

HRID 2286851Notes

Reaction equation

HRID 2286851 reaction equation
[OH:1][C:2]1[CH:3]=[CH:4][C:5]2[O:10][CH:9]([C:11]([Cl:14])([Cl:13])[Cl:12])[NH:8][C:7](=[O:15])[C:6]=2[CH:16]=1.[C:17](OC(=O)C)(=[O:19])[CH3:18]>>[C:17]([O:1][C:2]1[CH:3]=[CH:4][C:5]2[O:10][CH:9]([C:11]([Cl:14])([Cl:13])[Cl:12])[NH:8][C:7](=[O:15])[C:6]=2[CH:16]=1)(=[O:19])[CH3:18]

Participants

3

Reactant 2

HCID 7918Acetic AnhydrideHCID 13341915HCID 13341915, compound

Product 1

HCID 13341922HCID 13341922, compound

Procedure

3,4-Dihydro-6-hydroxy-2-trichloromethyl-2H-benzo[e]-[1,3]-oxazin-4-one (prepared as described in Example 3--5.0 g.) and acetic anhydride (250 ml.) were stirred for 40 hours at room temperature, the mixture was filtered, and the solid product was washed with acetic anhydride, then diethyl ether, to give 6-acetoxy-3,4-dihydro-2-trichloromethyl-2H-benzo[e]-[1,3]-oxazin-4-one, m.p. 201°-203° C.

Workup

  1. customwere stirred for 40 hours at room temperature
  2. filtrationthe mixture was filtered
  3. washthe solid product was washed with acetic anhydride

Sources & evidence

ORD record
ord-a8a3a17f34ac445580a1f9a72f9fdcc9
Source dataset
uspto-grants-1981_05
Patent number
US04268510

Reaction notes

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