申请人:Minnesota Mining and Manufacturing Company
公开号:US04672013A1
公开(公告)日:1987-06-09
Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R"'--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R"' and R.sup.iv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group, are described for use in silver halide color photographic processes and elements.
青色染料形成6-羟基-2H-1,4-苯并噁嗪-3-(4H)-酮偶联剂,优选对应于以下一般式的青色染料形成偶联剂:##STR1## 其中,R代表氢或R"'--X--NH,R'代表氢或取代或未取代的烷基,R"代表氢或R.sup.iv --X--,X代表从--CO--,--SO.sub.2 --,--OCOCO--,--NHCO--中选择的一员,R"'和R.sup.iv代表取代或未取代的烷基或取代或未取代的芳基,Y和Z相同或不同,代表氢,卤素和取代或未取代的烷基或烷氧基。该偶联剂用于银卤化物彩色摄影过程和元素。