Benzoyl chloride, 3-chloro- → 2-{1-[(3-Chlorophenyl)carbonyl]piperidin-4-yl}-5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

HRID 524202Notes

Reaction equation

HRID 524202 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].[Cl:26][C:27]1[CH:28]=[C:29]([CH:33]=[CH:34][CH:35]=1)[C:30](Cl)=[O:31]>>[Cl:26][C:27]1[CH:28]=[C:29]([C:30]([N:20]2[CH2:21][CH2:22][CH:17]([N:15]3[C:14](=[O:23])[C:13]([CH3:25])([CH3:24])[C:12]([C:6]4[CH:7]=[CH:8][C:9]([O:10][CH3:11])=[C:4]([O:3][CH3:2])[CH:5]=4)=[N:16]3)[CH2:18][CH2:19]2)=[O:31])[CH:33]=[CH:34][CH:35]=1

Participants

3

Reactant 2

HCID 69252Benzoyl chloride, 3-chloro-HCID 666164065-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 462062782-{1-[(3-Chlorophenyl)carbonyl]piperidin-4-yl}-5-(3,4-dimethoxyphenyl)-4,4-dimethyl-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 3-chlorobenzoyl chloride as starting compounds. The crude product is purified by crystallization from EA to yield the title compound.

Workup

  1. customThe title compound is prepared analogously
  2. customThe crude product is purified by crystallization from EA

Sources & evidence

ORD record
ord-c7a48a3c94aa4e81a365855aa9319790
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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