3-(4-Fluorophenyl)-1,2-oxazol-5-amine → HCID 12960069, compound
Reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:12]=[C:11]([NH2:13])[O:10][N:9]=2)=[CH:4][CH:3]=1.[Cl:14][C:15]1[CH:25]=[CH:24][CH:23]=[CH:22][C:16]=1[C:17]([N:19]=[C:20]=[O:21])=[O:18]>C(OCC)(=O)C>[Cl:14][C:15]1[CH:25]=[CH:24][CH:23]=[CH:22][C:16]=1[C:17]([NH:19][C:20]([NH:13][C:11]1[O:10][N:9]=[C:8]([C:5]2[CH:4]=[CH:3][C:2]([F:1])=[CH:7][CH:6]=2)[CH:12]=1)=[O:21])=[O:18]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
3-(4-Fluorophenyl)-5-aminoisoxazole (250 g.) was combined with 300 g. of 2-chlorobenzoyl isocyanate in 50 ml. of ethyl acetate. The reaction mixture was stirred overnight (about 17 hours) and the resulting solid was filtered, washed with ethanol, ether, and then dried, m.p., 200°-202° C.
Workup
- filtrationthe resulting solid was filtered
- washwashed with ethanol, ether
- customdried
- custom200°-202° C.
Sources & evidence
- ORD record
- ord-fd9cae1f2a7d45559ffaa0502cdf076f
- Source dataset
- uspto-grants-1982_06
- Patent number
- US04336264
Reaction notes
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