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91. 发明授权

US5145828A Transfer of azo dyes 失效
标题翻译：转染AZO染色体
公开(公告)号：US5145828A
公开(公告)日：1992-09-08
申请号：US651455
申请日：1991-02-05
申请人： Karl-Heinz Etzbach , Ruediger Sens , Matthias Wiesenfeldt
发明人： Karl-Heinz Etzbach , Ruediger Sens , Matthias Wiesenfeldt
IPC分类号： B41M5/385 , B41M5/035 , B41M5/132 , B41M5/26 , B41M5/30 , B41M5/388 , B41M5/39 , D06P5/13
CPC分类号： B41M5/388 , Y10S428/913 , Y10S428/914
摘要： One or more azo dyes are transferred from a transfer to a sheet of plastic-coated paper by diffusion with the aid of an energy source, said azo dyes having the formula ##STR1## where X is nitrogen or the radical C--CN,Z is oxygen or the radical --CH(R.sup.7)--, where R.sup.7 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.1 is hydrogen, substituted or unsubstituted alkyl or phenyl,R.sup.2 and R.sup.3 are hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or acylamino,R.sup.5 is hydrogen, chlorine, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio or unsubstituted or substituted phenyl, andR.sup.6 is cyano or the radical --CO--OR.sup.1, --CO--NHR.sup.1 or --CO--N(R.sup.1).sub.2, in each of which R.sup.1 is as defined above.
摘要翻译：一种或多种偶氮染料借助于能量源通过扩散从转印转移到一张塑料涂层纸上，所述偶氮染料具有式为“IMAGE”，其中X为氮或基团C-CN，Z为氧或基团-CH（R 7） - ，其中R 7是氢或C 1 -C 4烷基，R 1是氢，取代或未取代的烷基或苯基，R 2和R 3是氢或C 1 -C 4烷基，R 4是氢，C 1 C 1-10烷基，C 1 -C 10 - 烷氧基或酰氨基，R 5是氢，氯，C 1 -C 4 - 烷基，C 1 -C 4 - 烷氧基，C 1 -C 4 - 烷硫基或未取代或取代的苯基，R 6是氰基或 - CO-OR 1，-CO-NHR 1或-CO-N（R 1）2，其中R 1如上所定义。

92. 发明授权

US5139997A Transfer of bichromophoric cyano-containing methine dyes 失效
标题翻译：含二茂铁的含有甲基染料的转染
公开(公告)号：US5139997A
公开(公告)日：1992-08-18
申请号：US650430
申请日：1991-02-04
申请人： Volker Bach , Karl-Heinz Etzbach , Ruediger Sens
发明人： Volker Bach , Karl-Heinz Etzbach , Ruediger Sens
IPC分类号： B41M5/385 , B41M5/035 , B41M5/132 , B41M5/26 , B41M5/30 , B41M5/388 , B41M5/39 , C09B23/00 , D06P5/13
CPC分类号： B41M5/3854 , Y10S428/913 , Y10S428/914
摘要： Bichromophoric methine transfer dyes of the formula ##STR1## where L is a bridge member which does not permit any conjugation of .pi.-electrons between Z and Y,X is cyano, C.sub.1 -C.sub.6 -alkoxycarbonyl or C.sub.1 -C.sub.6 -monoalkylcarbamoyl, wherein alkyl may in each case be interrupted by oxygen atoms, or is C.sub.5 -C.sub.7 -cycloalkoxycarbonyl, C.sub.5 -C.sub.7 -monocycloalkylcarbamoyl, phenoxycarbonyl or monophenylcarbamoyl,Y and Z are each independently of the other aminophenylene, which may be benzo-fused, or heterocyclyl,are transferable from a transfer to a sheet of plastic-coated paper with the aid of an energy source.
摘要翻译：其中L是不允许π电子在Z和Y之间任意共轭的桥接元件，X是氰基，C 1 -C 6 - 烷氧基羰基或C 1 -C 6 - 单烷基氨基甲酰基，其中烷基可以是在每种情况下都被氧原子中断，或者是C5-C7-环烷氧基羰基，C5-C7-单环烷基氨基甲酰基，苯氧基羰基或单苯基氨基甲酰基，Y和Z各自独立地是可以被苯并稠合或杂环基转移的另一氨基亚苯基从能量源的转移到一张塑料涂层纸。

93. 发明授权

US4999026A Transferring dyes for thermal printing: tri-cyano-vinyl aniline dyes 失效
标题翻译：用于热敏印刷的转移染料：三氰基乙烯基苯胺染料
公开(公告)号：US4999026A
公开(公告)日：1991-03-12
申请号：US384095
申请日：1989-07-24
申请人： Bernhard Albert , Karl-Heinz Etzbach , Ruediger Sens
发明人： Bernhard Albert , Karl-Heinz Etzbach , Ruediger Sens
IPC分类号： B41M5/385 , B41M5/26 , B41M5/388 , B41M5/39 , C09B23/14 , C09B29/03 , C09B29/033 , C09D5/26 , D06P5/13
CPC分类号： B41M5/385 , B41M5/3854 , B41M5/388 , Y10S8/922
摘要： Dyes are transferred from a carrier by sublimation/vaporization to plastic-coated papers by a process in which the dyes used are of the general formula (I) ##STR1## where A is D--N.dbd.N-- or ##STR2## R.sup.1 and R.sup.2 are each hydrogen, alkyl, alkoxy, alkylthio or halogen and R.sup.1 and R together may furthermore form a 5-membered or 6-membered heterocyclic ring, and R and R' independently of one another are each hydrogen, phenyl which is unsubstituted or substituted by methyl or methoxy, or C.sub.5 - or C.sub.6 -cycloalkyl or C.sub.1 -C.sub.6 -alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.2 -C.sub.5 -alkanoyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.2 -or C.sub.3 -alkoxycarbonyloxy, hydroxyl, cyano, halogen, phenyl or C.sub.5 - or C.sub.6 -cycloalkyl, or ##STR3## is a 5-membered or 6-membered saturated heterocyclic ring where D is a radical of a diazo component of the thiophene, thiazole, isothiazole or 1,2,4-thiadiazole series and R.sup.3 is hydrogen or CN.In the process, the dyes (I) give strong dyeings which have good light fastness and are resistant to chemical substances.
摘要翻译：染料通过升华/蒸发从载体转移到塑料涂布的纸上，其中使用的染料具有通式（I）的化合物（I），其中A是DN = N-或R1和 R 2各自为氢，烷基，烷氧基，烷硫基或卤素，R 1和R可以另外形成5元或6元杂环，R和R'彼此独立地为氢，未取代或取代的苯基 C 1 -C 4 - 烷氧羰基，C 2 -C 5 - 烷酰氧基，C 1 -C 4 - 烷氧基羰基氧基，C 1 -C 4 - 烷氧基羰基氧基，C 1 -C 4 - C 4-烷氧基-C 2 - 或C 3 - 烷氧基羰基氧基，羟基，氰基，卤素，苯基或C 5 - 或C 6 - 环烷基，或者是5元或6元饱和杂环，其中D是重氮基团噻吩，噻唑，异噻唑或1,2,4-噻二唑系列的组分，R 3为氢或CN。在此过程中，染料（I）产生强烈的染色，耐光性好，耐化学物质。

94. 发明授权

US4994564A Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series 失效
标题翻译：具有3-氨基噻吩系列的重氮组分的偶氮染料和吡啶，吡啶酮或吡唑系的偶联组分
公开(公告)号：US4994564A
公开(公告)日：1991-02-19
申请号：US269646
申请日：1988-11-10
申请人： Karl-Heinz Etzbach , Helmut Reichelt , Guenter Hansen , Ernst Schefczik , Helmut Hagen , Gunther Lamm
发明人： Karl-Heinz Etzbach , Helmut Reichelt , Guenter Hansen , Ernst Schefczik , Helmut Hagen , Gunther Lamm
IPC分类号： C09B29/09 , C09B29/00 , C09B29/42 , C09B29/48
CPC分类号： C09B29/0059 , C09B29/3621 , C09B29/3634 , C09B29/3656
摘要： Thien-3-ylazo dyes of the formula: ##STR1## where X is cyano, nitro, C.sub.1 -C.sub.6 -alkanoyl, substituted or unsubstituted benzoyl, substituted or unsubstituted phenyl or the radical COOR.sup.1 or CONR.sup.1 R.sup.2 where R.sup.1 and R.sup.2 are identical or different and each is independently of each other substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl, substituted or unsubstituted phenyl or together with the nitrogen atom linking them a 5- or 6-membered saturated heterocyclic radical, and R.sup.2 may additionally be hydrogen, Y is hydrogen, cyano, C.sub.1 -C.sub.6 -alkanoyl, substituted or unsubstituted benzoyl, C.sub.1 -C.sub.4 -alkylsulfonyl, substituted or unsubstituted phenylsulfonyl, substituted or unsubstituted phenyl or the radical COOR.sup.1 or CONR.sup.1 R.sup.2 where R.sup.1 and R.sup.2 are each as defined above, Z is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted C.sub.1 -C.sub.6 -alkylthio, substituted or unsubstituted phenylthio, substituted or unsubstituted C.sub.1 -C.sub.6 -alkylsulfonyl or phenylsulfonyl or together with the radical Y a fused benzo ring which may be substituted, and K is the radical of a coupling component of the 2,6-diaminopyridine, 6-hydroxypyrid-2-one or 5-aminopyrazole series, are used for dyeing synthetic fiber materials, in particular synthetic polyesters, in yellow to red shades and are notable for good light fastness, fastness to dry heat setting and pleating and for good affinity.
摘要翻译：噻吩-3-基偶氮染料，其结构式如下：其中X为氰基，硝基，C 1 -C 6烷酰基，取代或未取代的苯甲酰基，取代或未取代的苯基或基团COOR1或CONR1R2，其中R 1和R 2相同或不同，各自独立地为取代或未取代的C 1 -C 8 - 烷基，C 5 -C 7 - 环烷基，C 3 -C 4 - 烯基，取代或未取代的苯基或与连接它们的氮原子一起形成5-或6-元饱和杂环基， R 2可另外为氢，Y为氢，氰基，C 1 -C 6烷酰基，取代或未取代的苯甲酰基，C 1 -C 4 - 烷基磺酰基，取代或未取代的苯基磺酰基，取代或未取代的苯基或基团COOR1或CONR1R2，其中R1和R2为 Z是氢，取代或未取代的C 1 -C 8 - 烷基，取代或未取代的苯基，取代或未取代的C 1 -C 6 - 烷硫基，取代或未取代的苯硫基，取代或未取代的C 1 -C 6 - 烷基磺酰基或与苯基磺酰基或与基团Y一起可以被取代的稠合苯并环，K是2,6-二氨基吡啶，6-羟基吡啶-2-酮或5-氨基吡唑系列的偶联组分的基团用于将合成纤维材料，特别是合成聚酯染色为黄色至红色，并且具有良好的耐光性，耐干燥定型和打褶的牢度以及良好的亲和力。

95. 发明授权

US4952681A Dyes containing 3,4-disubstituted-2-diaza-thiophene radicals 失效
标题翻译：含有3,4-取代-2-二氮杂-苯并呋喃的染料
公开(公告)号：US4952681A
公开(公告)日：1990-08-28
申请号：US205359
申请日：1988-07-27
申请人： Guenter Hansen , Ernst Schefczik , Karl-Heinz Etzbach , Helmut Reichelt , Hermann Loeffler
发明人： Guenter Hansen , Ernst Schefczik , Karl-Heinz Etzbach , Helmut Reichelt , Hermann Loeffler
IPC分类号： C09B29/00 , C09B62/35 , C09B29/033 , C09B29/33 , C09B29/36
CPC分类号： C09B29/0059
摘要： Compounds of the formula I ##STR1## where X is fluorine, chlorine, bromine, SO.sub.2 E or unsubstituted or substituted hydroxyl or mercapto, E is alkyl, alkenyl, cycloalkyl, aralkyl, aryl, chlorine or unsubstituted or substituted hydroxyl or amino, Y is cyano, nitro, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, carboxyl, a carboxylic ester group or unsubstituted or substituted carbamyl, T is hydrogen, C.sub.1 -C.sub.4 -alkyl, a radical which can be introduced by electrophilic substitution or a radical of the formula --CH.dbd.B, in which B is a radical of a methylene-active compound or of an amine, and K is a radical of a coupling component, are disclosed. They are useful for dyeing synthetic fibers or plastics.
摘要翻译： 1.式I的化合物参见图示：EP0201896，P71，F3，其中X是氟，氯，溴，SO2E，OH，OCH3，OC2H5，OC3H7，OC4H9，OCH2 C6H5，OC6H11，OC6H5 ，OC 6 H 4 CH 3，OC 6 H 4 Cl，SH，SCH 3，SC 2 H 5，SC 3 H 7，SC 4 H 9，SCH 2 C 6 H 5，SC 2 H 4 OH，SCH 2 COOCH 3，SCH 2 COOC 2 H 5，SC 6 H 11，SC 6 H 5或SC 6 H 4 CH 2，E是烷基，链烯基，环烷基，芳烷基，芳基，氯，OH，CH3O，C2H5O，C3H7O，C4H9O，C6H5 -CH2O，C6H5 -CH2 -CH2O，C6H5O，CIC6H4O， CH 3 C 4 H 4 O，NH 2，NHCH 3，N（CH 3）2，NHC 2 H 5，N（C 2 H 5）2，NCH 4 H 9，N（C 4 H 9）2，NHC 6 H 5，NHC 6 H 4 -CH 3，NHC 6 H 4 Cl或NCH 3 C 6 H 5 ，Y是氰基，硝基，烷酰基，芳酰基，烷基磺酰基，芳基磺酰基，羧基，羧酸酯基或未取代或取代的氨基甲酰基，T是氢，C 1 -C 4烷基，NO，NO 2，SO 3 H，CHO，CN，，C 2 H 5 CO，C 6 H 5 CO，CH 3 SO 2，C 2 H 5 SO 2，C 6 H 5 SO 2或式-CH = B的基团，其中B是亚甲基活性化合物或胺的基团，K是激进或耦合部件。

96. 发明授权

US4952678A Trisazo dyes 失效
标题翻译：三唑类染料
公开(公告)号：US4952678A
公开(公告)日：1990-08-28
申请号：US113910
申请日：1987-10-29
申请人： Karl-Heinz Etzbach
发明人： Karl-Heinz Etzbach
IPC分类号： C09B35/35 , C09B35/362 , C09K19/60
CPC分类号： C09B35/35 , C09K19/601
摘要： Trisazo dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and each, independently of the others, is hydrogen, methyl, ethyl, methoxy or chlorine, R.sup.5 is C.sub.2 -C.sub.4 -alkyl, X is C.sub.1 -C.sub.24 -mono- or dialkylamino, monobenzylamino, mono-(phenyl-ethyl)-amino, monophenylamino, N-(C.sub.1 -C.sub.12 -alkyl)-N-benzylamino, N-(C.sub.1 -C.sub.12 -alkyl)-N-(phenylethyl)amino or N-(C.sub.1 -C.sub.12 -alkyl)-N-phenylamino or each of the phenyls substituted by C.sub.1 -C.sub.12 -alkyl, cyclo-hexyl, 4-(C.sub.1 -C.sub.12 -alkyl)cyclohexyl, C.sub.1 -C.sub.24 -alkyloxy, phenoxy or C.sub.1 -C.sub.24 -alkanoyloxyl, or is OR, where R is C.sub.1 -C.sub.24 -alkyl, unsubstituted or C.sub.1 -C.sub.12 -alkyl-, cyclohexyl-, 4-(C.sub.1 -C.sub.12 -alkyl)cyclohexyl-, C.sub.1 -C.sub.24 -alkoxy-, phenoxy- or C.sub.1 -C.sub.24 -alkanoyl-oxy-substituted benzyl or phenylethyl, and A is a radical of the formula ##STR2## where R and X each have the above-mentioned meanings, and R.sup.6 is hydrogen or C.sub.1 -C.sub.14 -alkyl, R.sup.7 is hydrogen, methyl, ethyl, methoxy or chlorine, R.sup.8 is hydrogen, methyl, hydroxy or C.sub.1 -C.sub.8 -alkoxy and R.sup.9 is hydrogen or methyl, or the rings B, or B and C being benzofused, are used in liquid crystalline media and for dyeing synthetic polymers.
摘要翻译：其中R 1，R 2，R 3和R 4相同或不同并且各自独立地为氢，甲基，乙基，甲氧基或氯，式为“IMAGE”的三唑类染料为R5，C为C2-C4烷基，X为C1 （C 1 -C 12烷基）-N-苄基氨基，N-（C 1 -C 12烷基）-N-（苯基乙基）-N-（苯基 - 乙基） - 氨基，氨基或N-（C 1 -C 12 - 烷基）-N-苯基氨基或被C 1 -C 12 - 烷基，环己基，4-（C 1 -C 12 - 烷基）环己基，C 1 -C 24 - 烷氧基，苯氧基或C 1 -C 24 - 烷酰氧基，或是OR，其中R是C 1 -C 24 - 烷基，未取代的或C 1 -C 12 - 烷基 - ，环己基 - ，4-（C 1 -C 12 - 烷基）环己基 - ，C 1 -C 24 - 烷氧基 - 苯氧基 - 或C 1 -C 24 - 烷酰基 - 氧基取代的苄基或苯基乙基，A是下式的基团，其中R和X各自具有上述含义，R6是氢或C 1 -C 14 - 烷基，R 7是氢，甲基，乙基，甲氧基或氯，R 8是氢，甲基，羟基或C 1 -C 8 - 烷氧基，R 9是氢或甲基或环B或B和C为苯并稠合，用于液晶介质和染色合成聚合物。

97. 发明授权

US4943617A Liquid crystalline copolymer 失效
标题翻译：液晶共聚物
公开(公告)号：US4943617A
公开(公告)日：1990-07-24
申请号：US91667
申请日：1987-09-01
申请人： Karl-Heinz Etzbach , Bernd Hisgen
发明人： Karl-Heinz Etzbach , Bernd Hisgen
IPC分类号： C07C67/00 , C07C213/00 , C07C225/36 , C08F20/34 , C08F20/52 , C08F220/00 , C08F220/36 , C08F220/60 , C08G77/26 , C08G77/388 , C09B69/00 , C09B69/10 , C09K19/38 , C09K19/40
CPC分类号： C09B69/101 , C08F220/36 , C08G77/388 , C09K19/3833 , C09K19/3861 , C09K19/408
摘要： A liquid crystalline copolymer contains a comonomer to which a radical ##STR1## is bonded, where X is a chemical bond, O or NR.sup.1, Y is a chemical bond or --CO--, R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and A is a linear or branched C.sub.2 -C.sub.20 -alkylene group which may be interrupted by --O-- or ##STR2## The liquid crystalline copolymers have very good lightfastness, high dichroism and a high absorption.
摘要翻译：液晶共聚物含有与基团键合的共聚单体，其中X为化学键，O或NR1，Y为化学键或-CO-，R1为氢或C1-C4-烷基，A为可以被-O-或者中断的直链或支链C 2 -C 20亚烷基。液晶共聚物具有非常好的耐光性，高二色性和高吸收性。

98. 发明授权

US4908041A Navy and black dye mixtures: thiophene azo disperse dye and red, yellow or orange disperse dye 失效
标题翻译：海军和黑色染料混合物：噻吩偶氮分散染料和红色，黄色或橙色分散染料
公开(公告)号：US4908041A
公开(公告)日：1990-03-13
申请号：US256997
申请日：1988-10-13
申请人： Erwin Hahn , Guenter Hansen , Karl-Heinz Etzbach , Helmut Reichelt , Ernst Schefczik , Helmut Degen , Reinhold Krallmann , Gerhard Wagenblast
发明人： Erwin Hahn , Guenter Hansen , Karl-Heinz Etzbach , Helmut Reichelt , Ernst Schefczik , Helmut Degen , Reinhold Krallmann , Gerhard Wagenblast
IPC分类号： C09B29/00 , C09B67/22
CPC分类号： C09B67/0041 , C09B29/0059 , Y10S8/922
摘要： Navy and black dye mixtures contain one or more thiophene-azo dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, X and Y each have defined meanings, and one or more dyes F whose absorption maximum is at a wavelength of from 390 to 520 nm, the proportion of thiophene-azo dyes being from 60 to 99% by weight, based on the total weight of thiophene-azo dyes and dyes F in the mixture.
摘要翻译：海军和黑色染料混合物含有一种或多种式（IMAGE）的噻吩 - 偶氮染料，其中R1，R2，R3，R4，R5，X和Y各自具有定义的含义，以及一种或多种吸收最大值为波长为390-520nm，噻吩 - 偶氮染料的比例为60-99重量％，基于噻吩 - 偶氮染料和染料F在混合物中的总重量。

99. 发明授权

US4785116A Aminoisothiazole compounds 失效
标题翻译：氨基异噻唑化合物
公开(公告)号：US4785116A
公开(公告)日：1988-11-15
申请号：US692524
申请日：1985-01-18
申请人： Heinz Eilingsfeld , Karl-Heinz Etzbach
发明人： Heinz Eilingsfeld , Karl-Heinz Etzbach
IPC分类号： C07D275/02 , C07D207/44 , C07D207/456 , C07D275/03 , C07D513/04 , C09B29/00 , C07D275/06
CPC分类号： C07D207/456 , C07D275/03 , C07D513/04 , C09B29/0081 , C09B29/0096
摘要： Novel compounds of the general formula I ##STR1## where X and Y independently of one another are each carboxyl, a carboxylic ester group, cyano or an unsubstituted or substituted carbamyl or carboxylic hydrazide group and X and Y together form a radical of the formula ##STR2## where R.sup.1 is hydrogen or a radical of a primary amine and R.sup.2 and R.sup.3 are each hydrogen or unsubstituted or substituted alkyl, cycloalkyl or aryl, are very useful as diazo components.
摘要翻译：其中X和Y彼此独立的通式I的新型化合物各自为羧基，羧酸酯基，氰基或未取代或取代的氨基甲酰基或羧酰肼基，X和Y一起形成式其中R 1为氢或伯胺基团，R 2和R 3各自为氢或未取代或取代的烷基，环烷基或芳基，可用作重氮组分。

100. 发明授权

US4667020A Aromatic disazo dyes and liquid-crystalline materials containing these dyes 失效
标题翻译：芳香族双偶氮染料和含有这些染料的液晶材料
公开(公告)号：US4667020A
公开(公告)日：1987-05-19
申请号：US703526
申请日：1985-02-20
申请人： Karl-Heinz Etzbach , Christos Vamvakaris
发明人： Karl-Heinz Etzbach , Christos Vamvakaris
IPC分类号： C09B31/02 , C09B31/043 , C09B31/062 , C09B31/14 , C09K19/60 , C09B29/036 , C09B33/12 , C09K19/22
CPC分类号： C09B31/043 , C09B31/062 , C09B31/14 , C09K19/601 , Y10S534/02
摘要： Compounds of the formula ##STR1## where X is a 5-membered heterocyclic structure from the oxazole, oxadiazole, thiazole, thiadiazole, imidazole or triazole series, Y is a radical of the formula ##STR2## the rings A, B and C can be further substituted and can be fused to a benzene ring, R.sup.1 and R.sup.2 are each hydrogen or unsubstituted or substituted alkyl, aralkyl or cycloalkyl, or R.sup.1 and R.sup.2 together with the nitrogen are piperidino, pyrrolidino or morpholino, R.sup.3 is hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aralkyl, acyl, alkoxycarbonyl, aryloxycarbonyl or arylsulfonyl, and R.sup.4 is hydrogen, alkyl or cycloalkyl, are particularly useful as dyes in liquid-crystalline media.
摘要翻译：其中X是恶唑，恶二唑，噻唑，噻二唑，咪唑或三唑系列的5元杂环结构的式“IMAGE”的化合物，Y是下式的基团：环A，B和C可以被进一步取代并且可以与苯环稠合，R 1和R 2各自是氢或未取代或取代的烷基，芳烷基或环烷基，或者R 1和R 2与氮一起是哌啶子基，吡咯烷子基或吗啉代，R3是氢或未取代或取代的烷基，环烷基，芳烷基，酰基，烷氧基羰基，芳氧基羰基或芳基磺酰基，R4是氢，烷基或环烷基，特别适用于液晶介质中的染料。

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