Methyl triflate → HCID 58158582, compound
Reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[N:9]1[C:13](=[O:14])[C:12]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:11][NH:10]1.F[C:21](F)(F)S(OC)(=O)=O>>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[N:9]1[C:13](=[O:14])[C:12]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:11][N:10]1[CH3:21]Participants
3
Procedure
In the same manner as in Reference Example 64 and using ethyl 2-(2-methoxyphenyl)-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate (3.6 g, 14 mmol) and methyl trifluoromethanesulfonate (3 mL) as starting materials, the title compound (2.5 g, 66%) was obtained as a pale-yellow solid.
Sources & evidence
- ORD record
- ord-a072c6e89f9f405d91ca92846303c2b0
- Source dataset
- uspto-grants-2013_05
- Patent number
- US08445509B2
Reaction notes
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