The photographic element with a reduction of the hexoses and tabular, green sensitized emulsions

摘要

The invention relates to an emulsion comprising silver halide grains, said grains being tabular and comprising sensitizing dye(s) and silver salt epitaxial deposits, and addenda that include a tetraazaindene and a hexose reductone represented by Formula I: CHEM wherein R1 and R2 are the same or different, and may represent H, alkyl, cycloalkyl, aryl, or an alkyl group with a solubilizing group such as -OH, sulfonamide, sulfamoyl, or carbamoyl. Alternatively, R1 and R2 may be joined to complete a heterocyclic ring such as aziridinyl, azetidinyl, pyrrolidinyl, piperidinyl, morpholinyl, piperazinyl, or pyridinyl, R4 and R5 are H, OH, alkyl, aryl, cycloalkyl, or may together represent an alkylidene group, n is 0,1, or 2 and R3 is H, alkyl, aryl, or CO2R6 where R6 is alkyl.