2,5-Dimethylbenzoic acid → 5-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

HRID 524285Notes

Reaction equation

HRID 524285 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][C:27]1[CH:35]=[CH:34][C:33]([CH3:36])=[CH:32][C:28]=1[C:29](O)=[O:30]>>[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]([C:29]([C:28]4[CH:32]=[C:33]([CH3:36])[CH:34]=[CH:35][C:27]=4[CH3:26])=[O:30])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 118922,5-Dimethylbenzoic acidHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673642955-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Procedure

The title compound is prepared analogously as described for GP3 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and 2,5-dimethylbenzoic acid 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-34ce25cca71b4027963d1be3e03f5e4a
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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