Methyl 2-amino-3-thenoate → Methyl 2-(butylamino)thiophene-3-carboxylate
Reaction equation
[NH2:1][C:2]1[S:3][CH:4]=[CH:5][C:6]=1[C:7]([O:9][CH3:10])=[O:8].N[C:12]1[CH:16]=CS[C:13]=1[C:17](OC)=O>>[CH2:16]([NH:1][C:2]1[S:3][CH:4]=[CH:5][C:6]=1[C:7]([O:9][CH3:10])=[O:8])[CH2:12][CH2:13][CH3:17]Participants
3
Procedure
In the same manner as in Reference Example 1-1), methyl 2-aminothiophene-3-carboxylate [Chem. Ber. 98, 3571 (1965)]was used in place of methyl 3-aminothiophene-2-carboxylate to obtain 8.69 g (40.7%) of Compound (g-1).
Sources & evidence
- ORD record
- ord-5c5bb4bfdbf844218a1f61430a7bba59
- Source dataset
- uspto-grants-1994_08
- Patent number
- US05342843
Reaction notes
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