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

HRID 1914216Notes

Reaction equation

HRID 1914216 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].[CH2:26]([C:28]1[CH:36]=[CH:35][CH:34]=[CH:33][C:29]=1[C:30](O)=[O:31])[CH3:27]>>[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:30]([C:29]4[CH:33]=[CH:34][CH:35]=[CH:36][C:28]=4[CH2:26][CH3:27])=[O:31])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 341702-Ethylbenzoic acidHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673641565-(3,4-Dimethoxyphenyl)-2-{1-[(2-ethylphenyl)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-ethylbenzoic 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-d1d9cb7cc8ab438099c6d7ca9098981e
Source dataset
uspto-grants-2013_12
Patent number
US08609848B2

Reaction notes

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