1,3-Benzenedicarboxylic acid, 5-(chlorosulfonyl)-, 1,3-dimethyl ester → HCID 86657434, 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].Cl[S:27]([C:30]1[CH:31]=[C:32]([C:40]([O:42][CH3:43])=[O:41])[CH:33]=[C:34]([CH:39]=1)[C:35]([O:37][CH3:38])=[O:36])(=[O:29])=[O:28]>>[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:27]([C:30]4[CH:39]=[C:34]([C:35]([O:37][CH3:38])=[O:36])[CH:33]=[C:32]([CH:31]=4)[C:40]([O:42][CH3:43])=[O:41])(=[O:29])=[O:28])[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 (compound B1) and dimethyl 5-(chlorosulfonyl)isophthalate as starting compounds. The crude product is purified by crystallization from EA and diethyl ether to yield the title compound.
Workup
- customThe title compound is prepared analogously
- customThe crude product is purified by crystallization from EA and diethyl ether
Sources & evidence
- ORD record
- ord-fda0c5ad175547bd9339c1348cd0ee2e
- Source dataset
- uspto-grants-2016_05
- Patent number
- US09340522B2
Reaction notes
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