[CH3:1][C:2]1[N:3]2[CH:9]=[C:8]([C:10]3[CH:15]=[CH:14][C:13]([N+:16]([O-])=O)=[CH:12][CH:11]=3)[N:7]=[C:4]2[S:5][CH:6]=1.O.O.[Sn](Cl)Cl.C(Cl)Cl.CCOC(C)=O>CCO>[CH3:1][C:2]1[N:3]2[CH:9]=[C:8]([C:10]3[CH:15]=[CH:14][C:13]([NH2:16])=[CH:12][CH:11]=3)[N:7]=[C:4]2[S:5][CH:6]=1Prepared as described in the Nitro Reduction section using 3-methyl-6-(4-nitrophenyl)imidazo[2,1-b][1,3]thiazole (0.20 g, 0.772 mmol) and tin (II) chloride dihydrate (0.87 g, 3.86 mmol) in EtOH (20 ml) to give the title compound (88 mg, 50%) as a pale orange solid after work-up and flash chromatography (1:1 DCM/EtOAc).
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