HCID 68443943、化合物 → HCID 68445902、化合物

反応式

[NH2:1][C:2]1[C:19]([N+:20]([O-])=O)=[CH:18][C:5]([C:6]([NH:8][C:9]2[CH:17]=[C:16]3[C:12]([CH:13]=[N:14][NH:15]3)=[CH:11][CH:10]=2)=[O:7])=[C:4]([Cl:23])[CH:3]=1>C(O)C.CC(O)=O.[Fe]>[NH2:1][C:2]1[C:19]([NH2:20])=[CH:18][C:5]([C:6]([NH:8][C:9]2[CH:17]=[C:16]3[C:12]([CH:13]=[N:14][NH:15]3)=[CH:11][CH:10]=2)=[O:7])=[C:4]([Cl:23])[CH:3]=1

参加物

実験手順

A solution of 4-amino-2-chloro-N-(1H-indazol-6-yl)-5-nitrobenzamide (2 mmol; see Example 154) in ethanol (5 mL) and AcOH (1 mL) was added with iron powder (10 mmol). The reaction mixture was then heated to reflux for 6 h. The contents were cooled to RT, filtered through Celite pad, and the pad washed with ethanol. The filtrates were combined and concentrated in vacuo. The residue obtained was purified on a silica gel column chromatography using MeOH/DCM as eluent to afford 4,5-diamino-2-chloro-N-(1H-indazol-6-yl)benzamide.