5-Nitrofurfural → 5-Nitro-2-furaldehyde 2-(6-trifluoromethyl-1,3-benzothiazol-2yl)hydrazone
Reaction equation
[S:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[NH:10][N:11]=[CH:12][C:13]1[O:14][C:15]([N+:18]([O-:20])=[O:19])=[CH:16][CH:17]=1.[N+](C1OC(C=O)=CC=1)([O-])=O.N(C1SC2C=C([C:42]([F:45])([F:44])[F:43])C=CC=2N=1)N>>[F:43][C:42]([F:45])([F:44])[C:7]1[CH:8]=[CH:9][C:4]2[N:3]=[C:2]([NH:10][N:11]=[CH:12][C:13]3[O:14][C:15]([N+:18]([O-:20])=[O:19])=[CH:16][CH:17]=3)[S:1][C:5]=2[CH:6]=1Participants
4
Procedure
The compound 3g was prepared according procedure described for 3a by employing 5-nitrofuran aldehyde (141 mg, 1 mmol) and 2-hydrazino-6-trifluoromethyl-benzothiazole (233 mg, 1 mmol) at 70° C. for 2 h (yield 302 mg, 85%).