3-Aminosalicylic acid → 2-(4-(((Benzyloxycarbonyl)(methyl)amino)methyl)phenyl)benzo[d]oxazole-7-carboxylic acid
Reaction equation
[NH2:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:4]([C:5]([OH:7])=[O:6])[C:3]=1[OH:11].Cl[C:13]([C:15]1[CH:33]=[CH:32][C:18]([CH2:19][N:20]([CH3:31])[C:21](=[O:30])[O:22][CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)=[CH:17][CH:16]=1)=O>>[CH2:23]([O:22][C:21]([N:20]([CH2:19][C:18]1[CH:17]=[CH:16][C:15]([C:13]2[O:11][C:3]3[C:4]([C:5]([OH:7])=[O:6])=[CH:8][CH:9]=[CH:10][C:2]=3[N:1]=2)=[CH:33][CH:32]=1)[CH3:31])=[O:30])[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1Participants
3
Procedure
2-(4-(((Benzyloxycarbonyl)(methyl)amino)methyl)phenyl)benzo[d]oxazole-7-carboxylic acid is prepared from 3-aminosalicylic acid and benzyl 4-(chlorocarbonyl)benzyl(methyl)carbamate using identical conditions described in Example 3A. MS (ESI) m/e 417 [M+H]+.
Sources & evidence
- ORD record
- ord-cf36b0e70f99439289a1fac7c2512d44
- Source dataset
- uspto-grants-2012_01
- Patent number
- US08088760B2
Reaction notes
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