3-Methylbenzenesulphonyl chloride → 5-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-{1-[(3-methylphenyl)sulfonyl]piperidin-4-yl}-2,4-dihydro-3H-pyrazol-3-one

HRID 1914167Notes

Reaction equation

HRID 1914167 reaction equation
Cl.[CH3:2][O:3][C:4]1[C:12]2[O:11][C:10]([CH3:14])([CH3:13])[CH2:9][C:8]=2[C:7]([C:15]2[C:16]([CH3:28])([CH3:27])[C:17](=[O:26])[N:18]([CH:20]3[CH2:25][CH2:24][NH:23][CH2:22][CH2:21]3)[N:19]=2)=[CH:6][CH:5]=1.[CH3:29][C:30]1[CH:31]=[C:32]([S:36](Cl)(=[O:38])=[O:37])[CH:33]=[CH:34][CH:35]=1>>[CH3:2][O:3][C:4]1[C:12]2[O:11][C:10]([CH3:14])([CH3:13])[CH2:9][C:8]=2[C:7]([C:15]2[C:16]([CH3:28])([CH3:27])[C:17](=[O:26])[N:18]([CH:20]3[CH2:25][CH2:24][N:23]([S:36]([C:32]4[CH:33]=[CH:34][CH:35]=[C:30]([CH3:29])[CH:31]=4)(=[O:38])=[O:37])[CH2:22][CH2:21]3)[N:19]=2)=[CH:6][CH:5]=1

Participants

3

Reactant 2

HCID 27345953-Methylbenzenesulphonyl chlorideHCID 666165905-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride2×

Product 1

HCID 673665315-(7-Methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-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-(7-methoxy-2,2-dimethyl-2,3-dihydro-1-benzofuran-4-yl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B5*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-e8478422c8b04685aa19fdfefc075b78
Source dataset
uspto-grants-2013_12
Patent number
US08609848B2

Reaction notes

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