4-Fluoro-2-methylbenzenesulfonyl chloride → 5-(3,4-Dimethoxyphenyl)-2-{1-[(4-fluoro-2-methylphenyl)sulfonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

HRID 524235Notes

Reaction equation

HRID 524235 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].[F:26][C:27]1[CH:32]=[CH:31][C:30]([S:33](Cl)(=[O:35])=[O:34])=[C:29]([CH3:37])[CH:28]=1>>[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]([S:33]([C:30]4[CH:31]=[CH:32][C:27]([F:26])=[CH:28][C:29]=4[CH3:37])(=[O:34])=[O:35])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 27786024-Fluoro-2-methylbenzenesulfonyl chlorideHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673655205-(3,4-Dimethoxyphenyl)-2-{1-[(4-fluoro-2-methylphenyl)sulfonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Procedure

The title compound is prepared analogously as described for GP1 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and 4-fluoro-2-methylbenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from EA and diethyl ether to yield the title compound.

Workup

  1. customThe title compound is prepared analogously
  2. customThe crude product is purified by crystallization from EA and diethyl ether

Sources & evidence

ORD record
ord-f0fe2ec2eb984630b96c59bdd8f5411c
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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