Hydrochloric Acid → 1-(4-Piperidyl)-4-methyl-3,1-benzoxazin-2-one hydrochloride
Reaction equation
[ClH:1].[CH3:2][CH:3]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[N:6]([CH:13]2[CH2:18][CH2:17][N:16](C(OC(C)(C)C)=O)[CH2:15][CH2:14]2)[C:5](=[O:26])[O:4]1>O1CCOCC1>[ClH:1].[CH3:2][CH:3]1[C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=2[N:6]([CH:13]2[CH2:18][CH2:17][NH:16][CH2:15][CH2:14]2)[C:5](=[O:26])[O:4]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
4M Hydrogen chloride in 1,4-dioxane (20 ml) was added to a solution of the product from step (i) (1.4 g) in 1,4-dioxane (20 ml) and the mixture stirred at room temperature overnight. The solvent was removed under reduced pressure and the residue triturated with ether. Yield 1.0 g.
Workup
- customThe solvent was removed under reduced pressure
- customthe residue triturated with ether
Sources & evidence
- ORD record
- ord-0d6a6ce1d9c343c29cba647af95ca2b8
- Source dataset
- uspto-grants-2004_11
- Patent number
- US06812226B2
Reaction notes
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