Hydrochloric Acid → HCID 135671182, compound
Reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([CH2:8][O:9][C:10]2[CH:19]=[C:18]3[C:13]([C:14]([O:20]C4C=CC=CC=4)=[N:15][CH:16]=[N:17]3)=[CH:12][C:11]=2[O:27][CH3:28])[CH:5]=[CH:4][N:3]=1.Cl.C(=O)([O-])O.[Na+]>>[Cl:1][C:2]1[CH:7]=[C:6]([CH2:8][O:9][C:10]2[CH:19]=[C:18]3[C:13]([C:14](=[O:20])[NH:15][CH:16]=[N:17]3)=[CH:12][C:11]=2[O:27][CH3:28])[CH:5]=[CH:4][N:3]=1Participants
4
Conditions
- Temperature
- 85 °C
Procedure
A mixture of 7-((2-chloro-4-pyridyl)methoxy)-6-methoxy-4-phenoxyquinazoline (260 mg, 0.7 mmol) and 2M hydrochloric acid (15 ml) was heated at 85° C. for 2 hours. The mixture was allowed to cool and adjusted to pH6-7 with sodium hydrogen carbonate solution. The resulting precipitate was collected by filtration and dried to give 7-((2-chloro-4-pyridyl)methoxy)-6-methoxy-3,4-dihydroquinazolin-4-one (160 mg, 76%).
Workup
- temperatureto cool
- filtrationThe resulting precipitate was collected by filtration
- customdried
Sources & evidence
- ORD record
- ord-17777fdae99a40cba9633c78d43228a8
- Source dataset
- uspto-grants-1999_10
- Patent number
- US05962458
Reaction notes
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