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

HRID 1914194Notes

Reaction equation

HRID 1914194 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][O:27][C:28]1[C:37]2[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=2)[CH:31]=[CH:30][C:29]=1[C:38](O)=[O:39]>>[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:38]([C:29]4[CH:30]=[CH:31][C:32]5[C:37](=[CH:36][CH:35]=[CH:34][CH:33]=5)[C:28]=4[O:27][CH3:26])=[O:39])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]

Participants

3

Reactant 2

HCID 6087221-Methoxy-2-naphthoic acidHCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673639335-(3,4-Dimethoxyphenyl)-2-{1-[(1-methoxynaphthalen-2-yl)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 1-methoxynaphthalene-2-carboxylic acid as starting compounds. The crude product is purified by chromatography (amino phase silica gel and DCM) and by crystallization from diethyl ether 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) and by crystallization from diethyl ether

Sources & evidence

ORD record
ord-bfd42dd402884b789d7a7e0eee85e0a8
Source dataset
uspto-grants-2013_12
Patent number
US08609848B2

Reaction notes

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