| 摘要 |
The invention provides new yellow-dye-forming couplers, new yellow dyes formed therefrom, and new photographic elements containing the new couplers. The new couplers have the structure (I): <IMAGE>y a substituted or unsubstituted alkylene, alkoxylene, arylene, or aryloxylene group, and Q- has the structure (III): <IMAGE> (III) wherein: each R1- is independently t-butyl or a substituted aryl group; each Z- is independently H-, halo, or a substituted or unsubstituted alkyl, aryl, alkoxy, or aryloxy group; and each X- is independently H- or a coupling-off group.
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