[Cl:1][C:2]1[CH:7]=[C:6]([NH:8]C(=O)C)[C:5]([NH:12]C(=O)C)=[CH:4][C:3]=1[N:16]1[CH:20]=[CH:19][CH:18]=[CH:17]1.[OH-].[K+].O>C(O)CO>[Cl:1][C:2]1[CH:7]=[C:6]([NH2:8])[C:5]([NH2:12])=[CH:4][C:3]=1[N:16]1[CH:20]=[CH:19][CH:18]=[CH:17]1A solution 1.4 g (4.8 mmol) of N-(2-chloro-4,5-diacetamidophenyl)pyrrole and 0.4 g (9.8 mmol) of potassium hydroxide in 25 ml of ethylene glycol was stirred at 60° C. for 30 minutes. The reaction mixture was then poured into water, extracted with ethyl acetate and worked up.
Wird geladen…