Hydrochloric Acid → 3-{3-[5-(4-Dimethylsulfamoyl-phenyl)-4-methyl-thiazol-2-yl]-ureido}-propionic acid
Reaction equation
C([O:3][C:4](=[O:29])[CH2:5][CH2:6][NH:7][C:8]([NH:10][C:11]1[S:12][C:13]([C:17]2[CH:22]=[CH:21][C:20]([S:23](=[O:28])(=[O:27])[N:24]([CH3:26])[CH3:25])=[CH:19][CH:18]=2)=[C:14]([CH3:16])[N:15]=1)=[O:9])C.[OH-].[Na+].Cl>CO>[CH3:26][N:24]([CH3:25])[S:23]([C:20]1[CH:21]=[CH:22][C:17]([C:13]2[S:12][C:11]([NH:10][C:8](=[O:9])[NH:7][CH2:6][CH2:5][C:4]([OH:29])=[O:3])=[N:15][C:14]=2[CH3:16])=[CH:18][CH:19]=1)(=[O:27])=[O:28]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To a stirred solution of 3-{3-[5-(4-dimethylsulfamoyl-phenyl)-4-methyl-thiazol-2-yl]-ureido}-propionic acid ethyl ester (Example 24) in methanol (5 ml) is added dropwise sodium hydroxide (2M, 3 ml) over 2 minutes. The reaction mixture is heated at reflux overnight and then allowed to cool to room temperature. The mixture is neutralised with hydrochloric acid (2M, 3 ml) and the resulting precipitate is filtered, washed with water (20 ml) and dried in vacuo to yield the titled compound.
Workup
- temperatureThe reaction mixture is heated
- temperatureat reflux overnight
- filtrationthe resulting precipitate is filtered
- washwashed with water (20 ml)
- customdried in vacuo
Sources & evidence
- ORD record
- ord-b25d8208c1b04cfc84a6fde9ecf0fc91
- Source dataset
- uspto-grants-2010_03
- Patent number
- US07687637B2
Reaction notes
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