Color negative photographic film containing a particular cyan coupler bearing a sulfonyl containing ballast

摘要

The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a cyan coupler represented by formula (I):    wherein:R₃ represents an alkyl group of 2 to 15 carbon atoms;R₄ and R₅ each independently represents a hydrogen atom, an alkyl group or an aryl group;R₆ represents an alkyl or aryl group;X represents a halogen atom; andZ represents a hydrogen atom or a group capable of being split off by oxidized color developer.