申请人:Fuji Photo Film Co., Ltd.
公开号:US04106942A1
公开(公告)日:1978-08-15
A yellow color forming photographic coupler represented by the following general formula (I) ##STR1## in which X represents an aliphatic group, an aromatic group or a heterocyclic group; Y represents a hydrogen atom or a coupling off group; R.sub.1 and R.sub.2 each represents an aliphatic group, or R.sub.1 and R.sub.2 can combine to form a ring; and R.sub.3 and R.sub.4 each represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.
以下为一种黄色的光敏偶联剂,其化学式如下(I):##STR1## 其中X代表脂肪族基团、芳香族基团或杂环基团;Y代表氢原子或偶联基团;R.sub.1和R.sub.2各自代表脂肪族基团,或者可以组合成环;R.sub.3和R.sub.4各自代表氢原子、脂肪族基团、芳香族基团或杂环基团。