[CH3:1][O:2][C:3]1[CH:14]=[CH:13][C:6]([O:7][CH2:8][C:9](=[NH:12])OC)=[CH:5][CH:4]=1.[NH3:15]>C(O)C>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]([O:7][CH2:8][C:9]([NH2:12])=[NH:15])=[CH:13][CH:14]=123.9 g (0.122 mole) of methyl 2-(4-methoxyphenoxy)acetimidate are added to a solution, maintained at 10° C., of 10.4 g (0.61 mole) of ammonia in 480 ml of absolute ethanol. The reaction mixture is left for 2 days at room temperature and the excess ammonia is then driven off with a stream of nitrogen. The solution obtained is used in the next step without further purification.
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