Phosphorus oxychloride → 4-Chloro-6-methoxy-3-nitroquinoline
Reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[N:9]=[CH:8][C:7]([N+:13]([O-:15])=[O:14])=[C:6]2O.O=P(Cl)(Cl)[Cl:19]>>[Cl:19][C:6]1[C:5]2[C:10](=[CH:11][CH:12]=[C:3]([O:2][CH3:1])[CH:4]=2)[N:9]=[CH:8][C:7]=1[N+:13]([O-:15])=[O:14]Participants
3
Procedure
The title compound is prepared in analogy to Example 19c starting from 3.5 g (15.89 mmol) 6-methoxy-3-nitro-quinolin-4-ol (Example 44f) and 24 ml POCl3. mp: 281-283° C.; MS: 239 (M++1); HPLC: t-=12.29 min (Grad 1).
Workup
- customt-=12.29 min (Grad 1)
Sources & evidence
- ORD record
- ord-cf35e7bfeadc485ea39ebf3665b6717e
- Source dataset
- uspto-grants-2011_08
- Patent number
- US07998972B2
Reaction notes
Loading…