HCID 3089143, compound → 2-(4-Aminophenyl)benzoxazol-5-amine
Reaction equation
[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([C:10]2[O:11][C:12]3[CH:18]=[CH:17][C:16]([N+:19]([O-])=O)=[CH:15][C:13]=3[N:14]=2)=[CH:6][CH:5]=1)([O-])=O.[H][H].C(OC(O)C)C>[Pd].[Pt]>[NH2:1][C:4]1[CH:5]=[CH:6][C:7]([C:10]2[O:11][C:12]3[CH:18]=[CH:17][C:16]([NH2:19])=[CH:15][C:13]=3[N:14]=2)=[CH:8][CH:9]=1Participants
6
Reactant 3
Product 1
Reagents, catalysts & solvents 2
Procedure
The process of claim 17 wherein the 2-(4-nitrophenyl)-5-nitrobenzoxazole is reduced by hydrogen and palladium or platinum over carbon in the presence of ethoxyethanol under such conditions to form 2-(4-aminophenyl)-5-aminobenzoxazole.
Sources & evidence
- ORD record
- ord-ff9f8c1ea8f5492ea5e31e197d952dfc
- Source dataset
- uspto-grants-1998_04
- Patent number
- US05739344
Reaction notes
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