2-Fluorobenzenesulphonyl chloride → 2-{1-[(2-Fluorophenyl)sulfonyl]piperidin-4-yl}-5-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one
Reaction equation
Cl.[CH3:2][O:3][C:4]1[C:12]2[O:11][C:10]([CH3:14])([CH3:13])[CH2:9][C:8]=2[C:7]([C:15]2[C:16]([CH3:28])([CH3:27])[C:17](=[O:26])[N:18]([CH:20]3[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]3)[N:19]=2)=[CH:6][CH:5]=1.[F:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[S:36](Cl)(=[O:38])=[O:37]>>[F:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[S:36]([N:23]1[CH2:24][CH2:25][CH:20]([N:18]2[C:17](=[O:26])[C:16]([CH3:28])([CH3:27])[C:15]([C:7]3[C:8]4[CH2:9][C:10]([CH3:14])([CH3:13])[O:11][C:12]=4[C:4]([O:3][CH3:2])=[CH:5][CH:6]=3)=[N:19]2)[CH2:21][CH2:22]1)(=[O:38])=[O:37]Participants
3
Reactant 2
Product 1
Procedure
The title compound is prepared analogously as described for GP1 using 5-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B5*HCl) and 2-fluorobenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.
Workup
- customThe title compound is prepared analogously
- customThe crude product is purified by crystallization from methanol
Sources & evidence
- ORD record
- ord-47a9af939a6347938f7fa1f6fce4ae00
- Source dataset
- uspto-grants-2013_12
- Patent number
- US08609848B2
Reaction notes
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