| 摘要 |
The invention provides a photographic material comprising at least one light sensitive silver halide emulsion layer having associated therewith a yellow dye forming coupler having formula (I) or (II):ents an aromatic or heterocyclic group containing a group ionizable at pH 10 that is in conjugation with the double bond between the carbons to which A and X are respectively bonded through a pi -electron network; A is selected from the group consisting of hydrogen, a cyano group, an alkyl group, an aryl group, an alkylsulfonyl group, and an arylsulfonyl group; B is an alkyl group or an aryl group; and X represents hydrogen or a group capable of being split off upon coupling with oxidized color developer.
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