[Cl:1][C:2]1[CH:3]=C([CH:7]=[CH:8][C:9]=1[S:10]([N:13]1[CH2:17][CH2:16][CH2:15][CH2:14]1)(=[O:12])=[O:11])C#N.[OH-:18].[Na+].ClCl.[CH2:22]([OH:24])[CH3:23]>>[Cl:1][C:2]1[CH:3]=[C:23]([CH:7]=[CH:8][C:9]=1[S:10]([N:13]1[CH2:17][CH2:16][CH2:15][CH2:14]1)(=[O:12])=[O:11])[C:22]([OH:18])=[O:24]Prepared analogously to Example 1f from 3-chloro-4-(pyrrolidin-1-ylsulfonyl)benzonitrile and sodium hydroxide solution in ethanol. Yield: 89% of theory; C11H21ClNO4S (289.74); mass spectrum: (M+H)+=290/292 (chlorine isotope).
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