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 1914130Notes

Reaction equation

HRID 1914130 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-60642317d7714781910511022bdb9560
Source dataset
uspto-grants-2013_12
Patent number
US08609848B2

Reaction notes

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