3-Methylbenzenesulphonyl chloride → 5-[3-(Cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-4,4-dimethyl-2-{1-[(3-methylphenyl)sulfonyl]piperidin-4-yl}-2,4-dihydro-3H-pyrazol-3-one

HRID 524241Notes

Reaction equation

HRID 524241 reaction equation
Cl.[CH:2]1([CH2:5][O:6][C:7]2[CH:8]=[C:9]([C:17]3[C:18]([CH3:30])([CH3:29])[C:19](=[O:28])[N:20]([CH:22]4[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]4)[N:21]=3)[CH:10]=[CH:11][C:12]=2[O:13][CH:14]([F:16])[F:15])[CH2:4][CH2:3]1.[CH3:31][C:32]1[CH:33]=[C:34]([S:38](Cl)(=[O:40])=[O:39])[CH:35]=[CH:36][CH:37]=1>>[CH:2]1([CH2:5][O:6][C:7]2[CH:8]=[C:9]([C:17]3[C:18]([CH3:30])([CH3:29])[C:19](=[O:28])[N:20]([CH:22]4[CH2:27][CH2:26][N:25]([S:38]([C:34]5[CH:35]=[CH:36][CH:37]=[C:32]([CH3:31])[CH:33]=5)(=[O:40])=[O:39])[CH2:24][CH2:23]4)[N:21]=3)[CH:10]=[CH:11][C:12]=2[O:13][CH:14]([F:15])[F:16])[CH2:3][CH2:4]1

Participants

3

Reactant 2

HCID 27345953-Methylbenzenesulphonyl chlorideHCID 666165795-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673851985-[3-(Cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-4,4-dimethyl-2-{1-[(3-methylphenyl)sulfonyl]piperidin-4-yl}-2,4-dihydro-3H-pyrazol-3-one

Procedure

The title compound is prepared analogously as described for GP1 using 5-[3-(cyclopropylmethoxy)-4-(difluoromethoxy)phenyl]-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B3*HCl) and 3-methylbenzenesulfonyl chloride 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-da46b306904c41fb80c603e7492fac68
Source dataset
uspto-grants-2016_05
Patent number
US09340522B2

Reaction notes

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