2,3,5,6-Tetramethylbenzenesulphonyl chloride → HCID 46203049, compound
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][C:27]1[C:32]([CH3:33])=[CH:31][C:30]([CH3:34])=[C:29]([CH3:35])[C:28]=1[S:36](Cl)(=[O:38])=[O:37]>>[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]([S:36]([C:28]4[C:29]([CH3:35])=[C:30]([CH3:34])[CH:31]=[C:32]([CH3:33])[C:27]=4[CH3:26])(=[O:38])=[O:37])[CH2:19][CH2:18]3)[N:16]=2)[CH:7]=[CH:8][C:9]=1[O:10][CH3:11]Participants
3
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 2,3,5,6-tetramethylbenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.
Workup
- customThe title compound is prepared analogously
- customThe crude product is purified by crystallization from methanol
Sources & evidence
- ORD record
- ord-4efb033bffe94dacba9e9883fe6ee7e8
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09340522B2
Reaction notes
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