摘要:
A color photographic silver halide material, at least 95 mol. % of the silver halides of which consist of silver chloride, the blue-sensitive layer of which is spectrally sensitised with a dye of the formula I, ##STR1## in which R.sub.1 means 2-thienyl or 3-thienyl andZ means --O-- or --S-- andR.sub.2, R.sub.3, R.sub.4, R.sub.5 and X have the meaning stated in the description,and which contains a yellow coupler of the formula II ##STR2## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Z.sub.1, Z.sub.2 and m have the meaning stated in the description, is distinguished by elevated sensitivity, low yellow fog and low secondary absorption of the yellow dye.
摘要:
A spectrally sensitised photographic silver halide emulsion which is super-sensitised with an aromatic complex having a central transition metal atom which is present in a valence state which is not the highest possible for the metal concerned and which complex contains at least one non-aromatic complex ligand, is distinguished by increased sensitivity.
摘要:
Phenanthroazole cyanines and anthraazole cyanines, having not less than one acidic group, of the formula I are excellent spectral sensitizers. ##STR1## The symbols in formula I have the following meanings X.sub.1 and X.sub.2 O, S, Se or NR.sub.10 ;R.sub.1 and R.sub.2 or R.sub.2 and R.sub.3 residues of an optionally substituted phenanthroazole or anthraazole with the remaining group R.sub.3 or R.sub.1 signifying hydrogen;R.sub.4 and R.sub.6 hydrogen or together a .pi.-bond,R.sub.5 and R.sub.7 hydrogen, alkyl or aryl orR.sub.4,R.sub.5,R.sub.6 and R.sub.7 residues of an optionally substituted benzazole, naphthazole, phenanthroazole or anthraazole;R.sub.8, R.sub.9 alkyl, sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.m --CO--NR.sub.11 --SO.sub.2 --R.sub.12 or --(CH.sub.2).sub.m --SO.sub.2 --NR.sub.11 --CO--R.sub.12 ;R.sub.10 a residue as defined for R.sub.8 /R.sub.9 or aryl;R.sub.11 hydrogen or the negative charge (.sup..crclbar.) which remains when a proton is removed;R.sub.12 alkyl, aryl, --O.sup..crclbar., --N(R.sub.13).sub.2 ;R.sub.13 hydrogen, alkyl or aryl (the same or different);R hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio or phenyl;m an integer from 1 to 10;n 0 or 1; andM.sup.+ a cation optionally required to neutralize the charge,with the proviso that the cyanine dye having the formula I possesses not less than one group, selected from the group consisting of a sulphoalkyl group, a carboxyalkyl group, a group --(CH.sub.2).sub.m --CO--NR.sub.11 --SO.sub.2 --R.sub.12 and a group --(CH.sub.2).sub.m --SO.sub.2 --NR.sub.11 --CO--R.sub.12.
摘要:
A color photographic material comprising at least one cyan-coupling silver halide emulsion layer containing a red sensitizer, at least one magenta-coupling silver halide emulsion layer containing a green sensitizer and at least one yellow-coupling silver halide emulsion layer containing a blue sensitizer on a support, in which a silver halide emulsion is provided in a coupler-free layer sensitized with another spectral sensitizer (a gap sensitizer) of which the sensitization maximum lies between the sensitization maxima of the red- and green-sensitive layers or the green- and blue-sensitive layers, is distinguished by an extended gradation range towards the maximum densities and by distinctly improved detail reproduction in the region of high densities.
摘要:
The invention relates to a novel polymethine dyes containing at least one acylsulfonamido group of the formula (I) in which n, Y, A and R have the meaning given in the claims, and at least one compound of the formulae (a) to (n) given in the claims. The polymethine dyes according to the invention are suitable for use as dyes and/or labels, in particular for staining or labeling biomolecules.
摘要:
A cyanine dye of formula (II) wherein X1 is C(R5, R6), NR7, O, S or Se, X2 is O, S, Se or NR13, R2 with R3, or R3 with R4, are the remaining members for the completion of a condensed furano ring system, and the other R2 or R4 radical, is H, a halogen, SH, CN, CF3, alkyl, aryl, heterocyclyl, alkoxy, aryloxy, alkylthio or arylthio, R10 to R12, are H, a halogen, SH, CN, CF3, alkyl, aryl, heterocyclyl, alkoxy, aryloxy, alkylthio or arylthio, or R10 with R11, or R11 with R12, are the remaining members for the completion of a ring system, R5 to R7 and R13 are alkyl, alkylene-SO3Z1 or alkylene-CO2Z1, R8 and R9 are alkyl, alkylene-SO3Z1, alkylene-CO2Z1 or alkylene-Y2—N(Z1)—Y3-alkyl, Z1 is H or a negative charge, Y2 and Y3 are —S(═O)2— or —C(═O)—, M1 is a counterion, L1, L2 and L3 are a methine group and n is 0, 1, 2 or 3.
摘要翻译:式(II)的花青染料其中X 1为C(R 5,R 6),NR 7,O,S或Se,X 2为O,S,Se或NR R 3,R 3,R 3,R 3,R 4,是用于完成稠合呋喃环体系的剩余成员,另一个R 2或R 4是 基团,是H,卤素,SH,CN,CF 3,烷基,芳基,杂环基,烷氧基,芳氧基,烷硫基或芳硫基,R 10至R 12是H,卤素,SH,CN,CF 3, 烷基,芳基,杂环基,烷氧基,芳氧基,烷硫基或芳硫基,或R 10与R 11或R 11与R 12一起是完成环系的其余成员, R 5至R 7和R 13为烷基,亚烷基-SO 3 Z 1或亚烷基-CO 2 Z 1,R 8和R 9为烷基,亚烷基-SO 3 Z 1, CO 2 Z 1或亚烷基-N 2 -N(Z 1)-Y 3 - 烷基,Z 1是H或负电荷,Y 2和Y 3是-S (= O)2 - 或-C(= O) - ,M 1为抗衡离子,L 1,L 2和L 3为次甲基,n为0,1,2或3 。
摘要:
The present application provides cyanine dyes of the formula (I) in which R1, R2, R3, R4, R5 and R6 mutually independently denote a substituent, providing that at least one of the residues R1, R2, R3 denotes an indolyl substituent, X denotes O, S, Se, NR9, CH═CH or C(CH3)2, wherein R9 denotes a optionally substituted alkyl residue, R7, R8 mutually independently denote alkyl, sulfoalkyl, carboxyalkyl, —(CH2)1—SO2−Y—SO2—alkyl, —(CH2)1—SO2—Y—CO—alkyl, —(CH2)1—CO—Y—SO2—alkyl, —(CH2)1—CO—Y—O—alkyl or —(CH2)1—NH—SO3&thgr;, —(CH2)1—N(alkyl)—SO3&thgr; or —(CH2)1—N(aryl)—SO3&thgr;, providing that l=1 to 6 and Y means NH or N−, n means 1, 3, 5, 7, L denotes a substituted or unsubstituted methine group, which may be a constituent of one or more carbocyclic rings, and M denotes a counterion optionally necessary to equalise charges, as well as color photographic materials containing cyanine dyes of the formula (I) and the use of compounds of the formula (I) as spectral sensitizers.
摘要:
A color photographic recording material contains at least one silver halide emulsion layer which is spectrally sensitized with a monomethinecyanine dye of the following general formula I in whichR.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 (identical or different) mean: H, halogen, alkyl, methoxy, aryl, 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 2-furanyl, 2-thienyl, 3-thienyl, 1-indolyl, N-carbazolyl or N-isoindolyl, or R.sup.4, together with R.sup.3 or R.sup.5, means the residue necessary to complete an optionally substituted fused benzene ring or R.sup.4, together with R.sup.3, means the residue necessary to complete an optionally substituted fused naphthalene ring system;R.sup.6 and R.sup.7 (identical or different) mean: alkyl, sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.n --SO.sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2 ).sub.n --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.n --CO--NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.n --CO--NH--CO-alkyl (n=1-6);X means --O--, --S--, --Se--, --NR.sup.8 --(R.sup.8 =optionally substituted alkyl);a means H, an aromatic residue or, together with b, the residue necessary to complete a fused benzene ring;b either together with a or together with c, means the residue necessary to complete a fused benzene ring;c means H, an aromatic residue or, together with b or d, the residue necessary to complete a fused benzene ring;d means H, an aromatic residue or, together with c, the residue necessary to complete a fused benzene ring;A means an optionally present anion.The recording material exhibits increased blue sensitivity.
摘要:
A photographic recording material with at least one light-sensitive silver halide emulsion layer, the silver halide of which is spectrally sensitised with at least one cyanine dye having the general formula (I) ##STR1## wherein X means O, S, Se, NR.sub.3 or --CH.dbd.CH--,R means alkyl,n means 1, 3, 5, 7R.sub.1, R.sub.2, R.sub.3 mean alkyl, arylalkyl, sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.m --SO.sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.m --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.m --CO--NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.m --CO--NH--CO-Alkyl,L means an optionally substituted methine group,m means a number from 1 to 5, andZ means the radical required to complete an optionally substituted thiazoline, thiazole, benzothiazole, naphthothiazole, phenanthrothiazole, anthrathiazole, 2-quinoline, 4-quinoline, indole, oxazole, benzoxazole, naphthoxazole, phenanthrooxazole, anthraoxazole, selenazole, benzselenazole, naphthoselenazole, imidazole, benzimidazole or naphthoimidazole and wherein the substituents of at least two methine groups may be linked to rings, is characterised by improved sensitivity.
摘要:
A color photographic silver halide material having at least one silver halide emulsion layer which is cyan coupling and contains a red sensitizer, at least one magenta coupling silver halide emulsion layer containing a green sensitizer and at least one yellow coupling silver halide emulsion layer containing a blue sensitizer on a support, in which the at least one blue sensitive halide emulsion layer contains a further spectral sensitizer (gap sensitizer) whose sensitization maximum lies between the sensitization maxima of the red and green sensitive silver halide emulsion layer and/or the at least one red sensitive silver halide emulsion layer contains an additional spectral sensitizer (gap sensitizer) whose sensitization maximum lies between the sensitization maxima of the green sensitive and the blue sensitive silver halide emulsion layer is distinguished by an increased range of gradations in the region of the maximum densities and a markedly improved detail reproduction in the region of high densities.