[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([NH2:11])=[C:8]([OH:10])[CH:9]=1)([O-:3])=[O:2].CO[CH:14]1[CH2:18][CH2:17][CH:16](OC)O1>C(O)(=O)C>[N+:1]([C:4]1[CH:5]=[CH:6][C:7]([N:11]2[CH:14]=[CH:18][CH:17]=[CH:16]2)=[C:8]([OH:10])[CH:9]=1)([O-:3])=[O:2]In a manner similar to Example 1, Step A, the reaction of 10.0 g (0.06 mole) of 5-nitro-2-aminophenol with 9.8 g (0.07 mole) of 2,5-dimethoxytetrahydrofuran in 20 ml of glacial acetic acid produced 5.5 g of 5-nitro-2-(1H-pyrrol-1-yl)phenol.
Loading…