摘要:
A 1H-pyrazolo[1,5-b][1,2,4]triazole magenta coupler having a t-alkyl group at the position-6 and an amido group-substituted phenyl group at the position-2 is disclosed. There is also disclosed a silver halide color photographic material containing the same.
摘要:
A polymer film, containing a merocyanine compound having λmax of not longer than 375 nm, and a compound represented by formula (II), which is different from said at least one merocyanine compound, is disclosed. In the formula, R1 and R2 each independently represent a hydrogen atom, alkyl group, aryl group, heterocyclic group, cyano, N-alkyl- or N-aryl carbamoyl group, aryloxy carbonyl group or —CH2COOR5, or R1 and R2 bind to each other to form a ring containing a nitrogen atom; R5 represents an alkyl group, aryl group or a heterocyclic group; R3 and R4 each independently represent a substituent having a Hammett substituent constant σp of equal to or more than 0.2, or R3 and R4 bind to each other to form a cyclic active methylene compound structure.
摘要:
A compound represented by formula (I-1): wherein R21, R22, R23 and R24 each independently represent a hydrogen atom or a monovalent substituent, with the proviso that compounds, in which R21, R22, R23 and R24 each are an alkylthio group, are excluded; R21 and R22 and/or R23 and R24 each may bond to each other to form a ring, with the proviso that compounds, in which the formed ring is a dithiol ring or a dithiolane ring, are excluded; R25 and R26 each independently represent a hydrogen atom or a monovalent substituent; X21, X22, X23 and X24 each independently represent a hetero atom; compounds, wherein R21, R22, R23 and R24 each represent a cyan group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group or a hydrogen atom, are excluded; and compounds, wherein R21 and R23 each represent a hydrogen atom; R22 and R24 each represent an arylcarbonyl group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group, are excluded; and an ultraviolet absorbent, which has molecular weight of 10,000 or less and molar extinction coefficient at the maximum absorption wavelength of the ultraviolet absorbent of 80,000 or more.
摘要翻译:由式(I-1)表示的化合物:其中R 21,R 22,R 23和R 24各自独立地表示氢原子或一价取代基,条件是其中R 21,R 22,R 23和R 24各自为烷硫基 , 被排除在外; R 21和R 22和/或R 23和R 24各自可以彼此键合形成环,条件是排除其中形成的环是二硫醇环或二硫戊环的化合物; R 25和R 26各自独立地表示氢原子或一价取代基; X21,X22,X23和X24各自独立地表示杂原子; 化合物,其中R 21,R 22,R 23和R 24各自表示青色基团; X21,X22,X23和X24各自表示硫原子; R 25和R 26各自表示羟基或氢原子; 和其中R 21和R 23各自表示氢原子的化合物; R 22和R 24各自表示芳基羰基; X21,X22,X23和X24各自表示硫原子; R 25和R 26各自表示羟基; 和紫外线吸收剂,其分子量为10,000以下,紫外线吸收剂的最大吸收波长的摩尔消光系数为80,000以上。
摘要:
The invention is a method for producing δ-aminopentadienoate derivatives of formula (1), the method comprising reacting a streptocyanine derivative of formula (2) with an ester derivative of formula (3) in the presence of an organic base. In formulae (1) to (3), R1 represents an alkyl group or an aryl group; R2, R3, R4 and R5 independently represent a hydrogen atom or an alkyl group; R2 and R3, or R4 and R5 may bond to each other to form a ring; Y represents an electron attractive group; X represents an acid radical; n indicates 0 or a positive number, which is no more than 5; Y may bond to R1 to form a ring
摘要翻译:本发明是一种生产式(1)的三氨基戊二酸衍生物的方法,该方法包括使式(2)的链花青衍生物与式(3)的酯衍生物在有机碱的存在下反应。 在式(1)至(3)中,R 1表示烷基或芳基; R 2,R 3,R 4和R 5独立地表示氢原子或烷基; R 2和R 3,或R 4和R 5可以彼此键合形成环; Y表示吸电子基团; X表示酸基; n表示0或正数,不大于5; Y可以键合至R 1以形成环
摘要:
A compound represented by formula (I-1): wherein R21, R22, R23 and R24 each independently represent a hydrogen atom or a monovalent substituent, with the proviso that compounds, in which R21, R22, R23 and R24 each are an alkylthio group, are excluded; R21 and R22 and/or R23 and R24 each may bond to each other to form a ring, with the proviso that compounds, in which the formed ring is a dithiol ring or a dithiolane ring, are excluded; R25 and R26 each independently represent a hydrogen atom or a monovalent substituent; X21, X22, X23 and X24 each independently represent a hetero atom; compounds, wherein R21, R22, R23 and R24 each represent a cyan group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group or a hydrogen atom, are excluded; and compounds, wherein R21 and R23 each represent a hydrogen atom; R22 and R24 each represent an arylcarbonyl group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group, are excluded; and an ultraviolet absorbent, which has molecular weight of 10,000 or less and molar extinction coefficient at the maximum absorption wavelength of the ultraviolet absorbent of 80,000 or more.
摘要翻译:由式(I-1)表示的化合物:其中R 21,R 22,R 23和R 24各自独立地表示氢原子或一价取代基,条件是其中R 21,R 22,R 23和R 24各自为烷硫基 , 被排除在外; R 21和R 22和/或R 23和R 24各自可以彼此键合形成环,条件是排除其中形成的环是二硫醇环或二硫戊环的化合物; R 25和R 26各自独立地表示氢原子或一价取代基; X21,X22,X23和X24各自独立地表示杂原子; 化合物,其中R 21,R 22,R 23和R 24各自表示青色基团; X 21,X 22,X 23和X 24各自表示硫原子; R 25和R 26各自表示羟基或氢原子; 和其中R 21和R 23各自表示氢原子的化合物; R 22和R 24各自表示芳基羰基; X21,X22,X23和X24各自表示硫原子; R 25和R 26各自表示羟基; 和紫外线吸收剂,其分子量为10,000以下,紫外线吸收剂的最大吸收波长的摩尔消光系数为80,000以上。
摘要:
An optical film comprising at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In three formulae, L12, L22 and L32 each represent a 5-membered heterocyclic group.
摘要:
An optical recording medium comprising a substrate having thereon a recording layer containing at least two kinds of dye A and dye B, wherein dye A and dye B satisfy the following conditions (1) and (2): (1) the starting temperature of decomposition is from 150 to 250° C., (2) refractive index n(A) and extinction coefficient k(A) of dye A at the wavelength of recording laser ray, and refractive index n(B) and extinction coefficient k(B) of dye B at the same wavelength satisfy the following expressions: n(B)/n(A)>0.7 k(B)/k(A)>10.
摘要:
A compound which can be used as a dye and is represented by the following general formulae (I), (II) and (III). In the general formulae, A and B each independently represents a monovalent heterocyclic group bonded to an azo group by a carbon atom of the monovalent heterocyclic group; m and n each independently represents one of 0 and 1; and M represents one of a hydrogen atom and a monovalent positive ion.
摘要:
This invention provides a compound which is useful as an electric charge transportation agent for electrophotographic photosensitive materials and organic EL devices, and its production method. Illustratively, a compound of formula (I) is produced by way of a dehydration reaction of a compound of formula (II).
摘要:
A silver halide color photographic material is described, containing a 1H-pyrazolo�5,1-c!-1,2,4-triazole magenta coupler represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.4 each represent a substituent; R.sub.2 and R.sub.3 each represent a hydrogen atom, an alkyl group, an aryl group, a hydroxyl group or an alkyl group substituted with at least one hydroxyl group; R.sub.9 represents a hydrogen atom, an alkyl group, an aryl group, an acyl group or a sulfonyl group; L represents --SO.sub.2 --, --CO--, --SO.sub.2 NR.sub.10 --, --CONR.sub.10 -- or --COO--; R.sub.10 represents a hydrogen atom, an alkyl group or an aryl group; A.sub.1, A.sub.2, and A.sub.3 each represent --O--, --NR.sub.5 --, --NR.sub.5 CO--, --CONR.sub.5 --, --NR.sub.5 SO.sub.2 --, --SO.sub.2 NR.sub.5 --, --COO--, --OCO--, --NR.sub.5 CONR.sub.5 --, --OCONR.sub.5 -- or --NHCOO--; R.sub.5 represents a hydrogen atom, an alkyl group, an aryl group or an alkyl group substituted with at least one hydroxyl group; B.sub.1, B.sub.2, and B.sub.3 each represent an alkyl group, an alkylene group, an aryl group, an arylene group, an alkyl group substituted with at least one hydroxyl group or an alkylene group substituted with at least one hydroxyl group; s represents 0 or an integer of 1 to 3; X represents a hydrogen atom or a group releasable on coupling with an oxidized aromatic primary amine developing agent; k represents 0 or an integer of 1 to 3; u, m, n, t, and p each represent 0 or 1, provided that m-n+t-p=0; q represents 1; r represents 1 or 2; and at least one of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, B.sub.1, B.sub.2, and B.sub.3 has a hydroxyl group, provided that the hydroxyl group is not the one directly bonded to an aryl group.
摘要翻译:描述了含有由式(I)代表的1H-吡唑并[5,1-c] -1,2,4-三唑品红成色剂取代基的卤化银彩色照相材料; R2和R3各自表示氢原子,烷基,芳基,羟基或被至少一个羟基取代的烷基; R9表示氢原子,烷基,芳基,酰基或磺酰基; L表示-SO 2 - , - CO - , - SO 2 NR 10 - , - CONR 10 - 或-COO-; R 10表示氢原子,烷基或芳基; A1,A2和A3各自表示-O-,-NR5-,-NR5CO-,-CONR5-,-NR5SO2-,-SO2NR5-,-COO-,-OCO-,-NR5CONR5-,-OCONR5-或-NHCOO - ; R5表示氢原子,烷基,芳基或被至少一个羟基取代的烷基; B1,B2和B3各自表示烷基,亚烷基,芳基,亚芳基,被至少一个羟基取代的烷基或被至少一个羟基取代的亚烷基; s表示0或1〜3的整数, X表示氢原子或与氧化芳族伯胺显影剂偶联可释放的基团; k表示0或1〜3的整数, u,m,n,t和p各自表示0或1,条件是m-n + t-p = 0; q表示1; r表示1或2; R 1,R 2,R 3,R 4,R 5,B 1,B 2和B 3中的至少一个具有羟基,条件是羟基不是直接与芳基键合的羟基。