1-Naphthalenesulfonyl chloride → 5-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(naphthalen-1-ylsulfonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-one

HRID 524140

Reaction equation

HRID 524140 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].[C:26]1([S:36](Cl)(=[O:38])=[O:37])[C:35]2[C:30](=[CH:31][CH:32]=[CH:33][CH:34]=2)[CH:29]=[CH:28][CH:27]=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:36]([C:26]4[C:35]5[C:30](=[CH:31][CH:32]=[CH:33][CH:34]=5)[CH:29]=[CH:28][CH:27]=4)(=[O:38])=[O:37])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 665601-Naphthalenesulfonyl chlorideHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 462023935-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(naphthalen-1-ylsulfonyl)piperidin-4-yl]-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 naphthalene-1-sulfonyl 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-1d6a6981546a44aeb632eaec69e325ab
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Linked notes

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