Phosphorus oxychloride → HCID 19606335, compound
Reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][CH2:10][CH2:11][O:12][C:13]2[CH:18]=[CH:17][C:16](/[CH:19]=[CH:20]/[C:21]3[C:30]4[O:29][C:28]([C:31]([NH2:33])=O)=[CH:27][C:26](=[O:34])[C:25]=4[CH:24]=[CH:23][CH:22]=3)=[CH:15][CH:14]=2)=[CH:4][CH:3]=1.P(Cl)(Cl)(Cl)=O>CN(C=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][CH2:10][CH2:11][O:12][C:13]2[CH:18]=[CH:17][C:16](/[CH:19]=[CH:20]/[C:21]3[C:30]4[O:29][C:28]([C:31]#[N:33])=[CH:27][C:26](=[O:34])[C:25]=4[CH:24]=[CH:23][CH:22]=3)=[CH:15][CH:14]=2)=[CH:4][CH:3]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Following the process described in example 2 (point D), reacting 8-[(E)-2-[4-[4-(4-fluorophenyl)butoxy]phenyl]ethen-1-yl]-4-oxo-4H-1-benzopyran-2-carboxamide with phosphorous oxychloride in DMF for 0.5 h at 0° C., the title compound was prepared (95% yield).
Workup
- customfor 0.5 h
- customat 0° C.
Sources & evidence
- ORD record
- ord-707cf75cc2624f589934f52657a01442
- Source dataset
- uspto-grants-1999_11
- Patent number
- US05990142
Reaction notes
Loading…