Patent DE-19938517-A1 (DE)
Title: Silver halide material, useful for color film and copying, contains a 3-benzyl substituted-2-coumaranone compound and an unsaturated compound.
Inventor: HAGEMANN JOERG
IPC: G03C7/396
Filed: 1999-08-13
Abstract: A color photographic silver halide material comprises a light sensitive silver halide emulsion layer and a non-light sensitive layer and contains a 3-benzyl substituted-2-coumaranone compound and an unsaturated compound.  A color photographic silver halide material comprises a light sensitive silver halide emulsion layer and a non-light sensitive layer and contains a compound of formula (1) or (2) and a compound of formula (3), (4), (5), (6) or (7).  R1 = H, alkyl or acyl;  R21,R3 = alkyl, cycloalkyl, alkenyl, aryl, halogen, OR4, SR5, NR6, R7, nitro, cyano, SO2R8, COOR9, COR10 or hetaryl; R4-R9 = alkyl, cycloalkyl, alkenyl, aryl or hetaryl;  R6, R7 = H, R4, COR10, COOR9, SO2R8;  R6, R10 = alkyl, cycloalkyl, alkenyl, aryl, hetaryl or NR6R7;  n,m = 0-4;  R11, R12 = alkyl, cycloalkyl, aryl, halogen, Sr5, NR6R7, nitro, cyano, SI2R8, COOR9, COR10, hetaryl or H; R13, R14 = OR15 or R11;  R15 = H, allyl or alkyl;  O = 0-4;  p = 0-3; two of the groups R13 and/or R14 together can form a condensed carbo- or heterocyclic ring or the compound of formula (2) is bonded to a polymer chain via R13 or R14;  La1 = a single bond, -O-, -S-, -CO- or -N(Ra2)-,  Ra1, Ra2 = an aliphatic, aromatic or heterocyclic group; Ra2 = H, acyl, sulfonyl, carbamoyl or sulfamoyl;  Za1, Za1' = oxygen or sulfur;  Za2 = H, -O-Ra3, -S-Ra4, La2O(=Za1')Ra5 or a heterocyclic group bonded to the compound by a nitrogen atom;  Ra3, Ra4 = vinyl, aromatic or a heterocyclic group, optionally substituted;  La2 = -O- or -S-;  Ra5 = aromatic or heterocyclic group whereby at least two of Ra1, Ra2 and Za3 can together form a 5-7 membered ring;  Rb1 = aliphatic;  Zb1 = halogen;  Zc1 = cyano, acyl, formyl, oxycarbonyl, carbamoyl, sulfamoyl or sulfonyl;  Rc1-Rc3 = H, an aliphatic or aromatic group or Zc1 whereby at least two of Rc1-Rc3 and Zc1 can together form a 5-7 membered ring;  Rd1 = an aliphatic or aromatic group;  Zd1 = mercapto or -SO2Y;  Y = H or an atom or group that forms a salt, -NHN=C)Rd2)1-N(Rd5)-SO2Rd5, -N(Rd7)-N(Rd5)-CORd9 or -C(Rd10)(ORd11)-CORd12;  Rd2, Rd3 = H, an aliphatic, aromatic or heterocyclic group;  Rd4-Rd8 = H, an aliphatic, aromatic or heterocyclic group, acyl, oxycarbonyl, sulfonyl, ureido or urethane group whereby at least one of Rd4 and Rd5 and Rd7 and Rd8 are hydrogen;  Rd5, Rd9 = H, aliphatic, aromatic or heterocyclic;  Rd5 = an amine group, oxy, acyl or oxycarbonyl whereby at least tow of Rd4-Rd6 and at least tow of Rd7-Rd9 can form a 5-7 membered ring; Rd10 = H, aliphatic, aromatic, halogen, acyloxy or sulfonyl;  Rd11 = H or a hydrolyzable group;  Rd12 = H, an aliphatic, aromatic, halogen, acyloxy or sulfonyl;  Rd11 = H ora hydrolyzable group;  Rd12 = H, an aliphatic , aromatic or heterocyclic group;  Ze1 = -ORe2, SRe2 or NRe2Re3;  Re1 = H, alkyl, aryl, acyl, sulfonyl or A that together with Ze2 forms a ring;  Re2 = H, alkyl, aryl, acyl or sulfonyl;  Re3 = Re2 or optionally a group that together with Re2 and a N atom forms a heterocyclic group;  Ze2, Ze3 = H, halogen, cyanide, alkyl, aryl, acyl a heterocyclic group, alkoxy carbonyl, aryloxycarbonyl, sulfonyl, imino, imido, sulfamoyl, carbonamide or sulfonamido whereby Ze2 and Ze3 together with the C atom they are bonded to form a carbocyclic or heterocyclic ring.