3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzoic Acid → 2-{1-[3-(Cyclopropylmethoxy)-4-(difluoromethoxy)benzoyl]piperidin-4-yl}-5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one
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].[CH:26]1([CH2:29][O:30][C:31]2[CH:32]=[C:33]([CH:37]=[CH:38][C:39]=2[O:40][CH:41]([F:43])[F:42])[C:34](O)=[O:35])[CH2:28][CH2:27]1>>[CH:26]1([CH2:29][O:30][C:31]2[CH:32]=[C:33]([CH:37]=[CH:38][C:39]=2[O:40][CH:41]([F:42])[F:43])[C:34]([N:20]2[CH2:21][CH2:22][CH:17]([N:15]3[C:14](=[O:23])[C:13]([CH3:25])([CH3:24])[C:12]([C:6]4[CH:7]=[CH:8][C:9]([O:10][CH3:11])=[C:4]([O:3][CH3:2])[CH:5]=4)=[N:16]3)[CH2:18][CH2:19]2)=[O:35])[CH2:28][CH2:27]1Participants
3
Reactant 2
Product 1
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 3-(cyclopropylmethoxy)-4-(difluoromethoxy)benzoic 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-548ba1cfc2464c05b9dbb4f1cc1f3524
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09340522B2
Reaction notes
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