Hydrogen Bromide → HCID 178454686, compound
Reaction equation
C[O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13]C)[NH:9][C:8](=[O:15])[N:7]=[C:6]2[CH3:16].C([O:19][C:20](=[O:24])[CH2:21][CH2:22][CH3:23])C.Br>>[OH:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[OH:13])[NH:9][C:8](=[O:15])[N:7]=[C:6]2[CH3:16].[C:20]([OH:24])(=[O:19])[CH2:21][CH2:22][CH3:23]Participants
3
Procedure
When 6,7-dimethoxy-4-methyl-2(1H)quinazolinone-1-butanoic acid ethyl ester is refluxed with excess 40% aqueous HBr for 24 hours the title compound is afforded in 80% yield, mp 288°-299° C.
Sources & evidence
- ORD record
- ord-cbf34caf6c244855a2895473c596c389
- Source dataset
- uspto-grants-1985_12
- Patent number
- US04556739
Reaction notes
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