Disclosed is a 2-amino-5-acylamino-4-substituted-phenol compound having the structural formula I:
1
wherein
Y is a substituent group, and
R′ is a ballast group.
Also disclosed is a simplified method for preparing a photographic coupler using this compound.
本发明涉及一种具有结构式I的2-
氨基-5-酰胺基-4-取代
苯酚化合物:其中Y为取代基,R'为稳定基。同时,本发明还揭示了使用该化合物制备光敏偶合剂的简化方法。