Cl[C:2]1[C:3]([C:12]([F:15])([F:14])[F:13])=[CH:4][C:5]([N+:9]([O-:11])=[O:10])=[C:6]([NH2:8])[CH:7]=1.[OH-].[K+].[CH3:18][CH2:19][OH:20]>CS(C)=O>[CH2:19]([O:20][C:2]1[C:3]([C:12]([F:15])([F:14])[F:13])=[CH:4][C:5]([N+:9]([O-:11])=[O:10])=[C:6]([NH2:8])[CH:7]=1)[CH3:18]The title compound was prepared from 5-chloro-2-nitro-4-trifluoromethyl-phenylamine [CAS-No. 35375-74-7] (7.06 g, 29.3 mmol) and KOH (4.26 g, 64.6 mmol) in EtOH (30 mL) and DMSO (60 mL) according to the general procedure E. Obtained as a yellow solid (4.20 g).
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