[N+:1]([C:4]1[CH:11]=[C:10]([C:12]([F:15])([F:14])[F:13])[CH:9]=[CH:8][C:5]=1[CH:6]=O)([O-:3])=[O:2].[CH2:16]([S:18][C:19]1[CH:25]=[CH:24][CH:23]=[CH:22][C:20]=1[NH2:21])[CH3:17]>C1(C)C=CC=CC=1>[CH2:16]([S:18][C:19]1[CH:25]=[CH:24][CH:23]=[CH:22][C:20]=1[N:21]=[CH:6][C:5]1[CH:8]=[CH:9][C:10]([C:12]([F:15])([F:14])[F:13])=[CH:11][C:4]=1[N+:1]([O-:3])=[O:2])[CH3:17]A mixture of 500 mg of 2-nitro-4-trifluoromethylbenzaldehyde, 349 mg of 2-(ethylsulfanyl)aniline and 4 ml of toluene was refluxed for 4 hours and then concentrated under reduced pressure. The resulting residue was washed with t-butyl methyl ether to obtain 777 mg of (2-ethylsulfanylphenyl) (2-nitro-4-trifluoromethylbenzylidene)amine.
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