4-Hydroxy-o-toluic acid → 5-(3,4-Dimethoxyphenyl)-2-{1-[(4-hydroxy-2-methylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

HRID 524278Notes

Reaction equation

HRID 524278 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].[OH:26][C:27]1[CH:35]=[CH:34][C:30]([C:31](O)=[O:32])=[C:29]([CH3:36])[CH:28]=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]([C:31]([C:30]4[CH:34]=[CH:35][C:27]([OH:26])=[CH:28][C:29]=4[CH3:36])=[O:32])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 684754-Hydroxy-o-toluic acidHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673641275-(3,4-Dimethoxyphenyl)-2-{1-[(4-hydroxy-2-methylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Procedure

The title compound is prepared analogously as described for GP2-WU2 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and 4-hydroxy-2-methylbenzoic acid as starting compounds. The crude product is purified by chromatography (amino phase silica gel and DCM) to yield the title compound.

Workup

  1. customThe title compound is prepared analogously
  2. customThe crude product is purified by chromatography (amino phase silica gel and DCM)

Sources & evidence

ORD record
ord-45a2bfe2b63042fa98b32c4aea9170ee
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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