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

HRID 524242Notes

Reaction equation

HRID 524242 reaction equation
Cl.[CH2:2]([O:4][C:5]1[CH:6]=[C:7]([C:14]2[C:15]([CH3:27])([CH3:26])[C:16](=[O:25])[N:17]([CH:19]3[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]3)[N:18]=2)[CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH3:13])[CH3:3].[CH3:28][C:29]1[CH:30]=[C:31]([S:35](Cl)(=[O:37])=[O:36])[CH:32]=[CH:33][CH:34]=1>>[CH2:2]([O:4][C:5]1[CH:6]=[C:7]([C:14]2[C:15]([CH3:27])([CH3:26])[C:16](=[O:25])[N:17]([CH:19]3[CH2:24][CH2:23][N:22]([S:35]([C:31]4[CH:32]=[CH:33][CH:34]=[C:29]([CH3:28])[CH:30]=4)(=[O:37])=[O:36])[CH2:21][CH2:20]3)[N:18]=2)[CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH3:13])[CH3:3]

Participants

3

Procedure

The title compound is prepared analogously as described for GP1 using 5-(3,4-diethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B2*HCl) and 3-methylbenzenesulfonyl 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-06a8b9e651424a2f9f01868510eecd35
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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