8-Quinolinesulfonyl chloride → 5-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(quinolin-8-ylsulfonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-one

HRID 1914068

Reaction equation

HRID 1914068 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].[N:26]1[C:35]2[C:30](=[CH:31][CH:32]=[CH:33][C:34]=2[S:36](Cl)(=[O:38])=[O:37])[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:34]4[CH:33]=[CH:32][CH:31]=[C:30]5[C:35]=4[N:26]=[CH:27][CH:28]=[CH:29]5)(=[O:37])=[O:38])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 292208-Quinolinesulfonyl chlorideHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 462020645-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(quinolin-8-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 quinoline-8-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-1208bc2cc01f4ad1869271d21598dbb5
Source dataset
uspto-grants-2013_12
Patent number
US08609848B2

Linked notes

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