[N+:1]([C:4]1[CH:9]=[CH:8][C:7](Cl)=[CH:6][N:5]=1)([O-:3])=[O:2].[Cl:11][C:12]1[CH:17]=[CH:16][C:15]([SH:18])=[CH:14][CH:13]=1.[OH-].[Li+].CN(C=O)C>O>[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([S:18][C:15]2[CH:16]=[CH:17][C:12]([Cl:11])=[CH:13][CH:14]=2)=[CH:6][N:5]=1)([O-:3])=[O:2]2-Nitro-5-chloropyridine (9.5 grams), 4-chlorothiophenol (8.7 grams), and lithium hydroxide (4 grams) were mixed in 100 ml. of DMF and the reaction mixture was stirred overnight (about 18 hours) at room temperature. The reaction mixture was then poured into water and the product separated by filtration and crystallized from ethanol-hexanes, yield, 10.0 grams, m.p., 96°-98° C.
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