[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[N:8][NH:7][C:6]=2[C:10]=1[C:11]([O:13]CC)=[O:12]>Cl>[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[N:8][NH:7][C:6]=2[C:10]=1[C:11]([OH:13])=[O:12]ethyl 6-fluoro-1H-1,2,3-benzotriazole-7-carboxylate (920 mg) was heated in 6N HCl until all of the starting material disappeared. Evaporation of the HCl afforded 718 mg of a brownish solid.
Wird geladen…