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

HRID 524138

Reaction equation

HRID 524138 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].[CH3:26][O:27][C:28]1[CH:33]=[CH:32][C:31]([S:34](Cl)(=[O:36])=[O:35])=[CH:30][CH:29]=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:34]([C:31]4[CH:30]=[CH:29][C:28]([O:27][CH3:26])=[CH:33][CH:32]=4)(=[O:36])=[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 74014-Methoxybenzenesulfonyl chlorideHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 462020635-(3,4-Dimethoxyphenyl)-2-{1-[(4-methoxyphenyl)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 hydrochloride (compound B1*HCl) and 4-methoxybenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.

Workup

  1. customThe title compound is prepared analogously
  2. customThe crude product is purified by crystallization from methanol

Sources & evidence

ORD record
ord-c685a5807d194d19a36d4894b0e6f4e4
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Linked notes

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