Picolinic acid → HCID 46204005, compound
Reaction equation
Cl.[CH3:2][O:3][C:4]1[CH:5]=[C:6]([C:12]2[C:13]([CH3:25])([CH3:24])[C:14](=[O:23])[N:15]([CH:17]3[CH2:22][CH2:21][NH:20][CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11].[N:26]1[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=1[C:32](O)=[O:33]>>[CH3:2][O:3][C:4]1[CH:5]=[C:6]([C:12]2[C:13]([CH3:25])([CH3:24])[C:14](=[O:23])[N:15]([CH:17]3[CH2:22][CH2:21][N:20]([C:32]([C:27]4[CH:28]=[CH:29][CH:30]=[CH:31][N:26]=4)=[O:33])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]Participants
3
Procedure
The title compound is prepared analogously as described for GP2-WU2 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and pyridine-2-carboxylic acid as starting compounds. The crude product is purified by chromatography (amino phase silica gel and DCM) to yield the title compound.
Workup
- customThe title compound is prepared analogously
- customThe crude product is purified by chromatography (amino phase silica gel and DCM)
Sources & evidence
- ORD record
- ord-f4381c51e7fb4a69a3ca3e26cadaca36
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09340522B2
Reaction notes
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