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公开(公告)号：US5820783A
公开(公告)日：1998-10-13
申请号：US902289
申请日：1997-07-29
IPC分类号： C07D309/12 , C09K19/04 , C09K19/34 , C07D309/10
CPC分类号： C09K19/3402 , C09K19/0422 , C09K2019/3422
摘要： Chiral compounds of the formula I ##STR1## where R.sup.1 is hydrogen or --Y--Z--Y.sup.1, R.sup.2 is ##STR2## and X is hydrogen, fluorine, chlorine, bromine, iodine, hydroxyl or OR.sup.1, where Y is a direct bond, CO or C.sub.2 - to C.sub.8 -alkylene in which nonadjacent carbon atoms may be replaced by O, CO, COO or OCO, Z is a group containing one or more saturated or unsaturated carbocyclic or heterocyclic rings, Y.sup.1 is C.sub.1 - to C.sub.15 -alkyl, C.sub.2 - to C.sub.15 -alkenyl, C.sub.1 - to C.sub.15 -alkoxy, C.sub.2 - to C.sub.15 -alkenyloxy, C.sub.1 - to C.sub.15 -alkanoyloxy or C.sub.3 - to C.sub.15 -alkenoyloxy, it being possible for nonadjacent carbon atoms in these radicals to be replaced by oxygen, OCO or COO, and n is 0, 1 or 2.
摘要翻译： 其中R 1是氢或-YZ-Y 1，R 2是X和X是氢，氟，氯，溴，碘，羟基或OR 1的式I的手性化合物，其中Y是直接键，CO 或其中不相邻的碳原子可以被O，CO，COO或OCO取代的C 2 -C 8亚烷基，Z是含有一个或多个饱和或不饱和的碳环或杂环的基团，Y 1是C 1至C 15 - 烷基，C 2 - C 15 - 烯基，C 1 -C 15 - 烷氧基，C 2 -C 15 - 烯氧基，C 1 -C 15 - 烷酰氧基或C 3 -C 15 - 烯酰氧基，这些基团中不相邻的碳原子可能被氧代替， OCO或COO，n为0,1或2。
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公开(公告)号：US5709817A
公开(公告)日：1998-01-20
申请号：US562466
申请日：1995-11-24
IPC分类号： C07D309/12 , C09K19/04 , C09K19/34 , C07D309/10
CPC分类号： C09K19/3402 , C09K19/0422 , C09K2019/3422
摘要： Described herein are chiral compounds of the formula I ##STR1## where R.sup.1 is hydrogen or --Y--Z--Y.sup.1, R.sup.2 is ##STR2## and X is hydrogen, fluorine, chlorine, bromine, iodine, hydroxyl or OR.sup.1, where Y is a direct bond, CO or C.sub.2 - to C.sub.8 -alkylene in which nonadjacent carbon atoms may be replaced by O, CO, COO or OCO, Z is a group containing one or more saturated or unsaturated carbocyclic or heterocyclic rings, Y.sup.1 is C.sub.1 - to C.sub.15 -alkyl, C.sub.2 - to C.sub.15 -alkenyl, C.sub.1 - to C.sub.15 -alkoxy, C.sub.2 - to C.sub.15 -alkenyloxy, C.sub.1 - to C.sub.15 -alkanoyloxy or C.sub.3 - to C.sub.15 -alkenoyloxy, it being possible for nonadjacent carbon atoms in these radicals to be replaced by oxygen, OCO or COO, and n is 0, 1 or 2.
摘要翻译： 本文描述的是其中R 1是氢或-YZ-Y 1，R 2是X和X是氢，氟，氯，溴，碘，羟基或OR 1的式I的手性化合物，其中Y是直接的 键，CO或C 2 -C 8亚烷基，其中不相邻的碳原子可以被O，CO，COO或OCO取代，Z是含有一个或多个饱和或不饱和的碳环或杂环的基团，Y 1是C 1 -C 15 - 烷基，C 2至C 15 - 烯基，C 1至C 15 - 烷氧基，C 2至C 15 - 烯氧基，C 1 -C 15 - 烷酰氧基或C 3 -C 15 - 烯酰氧基，这些基团中不相邻的碳原子可能被替换 氧，OCO或COO，n为0,1或2。
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公开(公告)号：US5753141A
公开(公告)日：1998-05-19
申请号：US704605
申请日：1996-09-16
IPC分类号： G02F1/13 , C07D493/04 , C07D519/00 , C07F5/02 , C09K19/34 , C09K19/40 , C09K19/58 , C09K19/32 , C09K19/30
CPC分类号： C07D493/04 , C07F5/025 , C09K19/588
摘要： The invention relates to chiral compounds of the general formula A--Y--(M--Y).sub.n --B--(Y--M).sub.n --Y--A where B is a radical of the formula ##STR1## and where the radicals A independently of one another are C.sub.1 - to C.sub.20 -alkyl which may be substituted by fluorine, chlorine, bromine or cyano and may be interrupted by O, S, NH, NCH.sub.3, COO or OCO, X are carbon or boron, Y independently of one another are a chemical bond, O, S, NH, N(CH.sub.3), COO or OCO and M independently of one another are a mesogenic group and n independently of one another are 0 or 1 with the proviso that one n is other than 0. The compounds according to the invention are suitable as dopes in liquid-crystalline media.
摘要翻译： PCT No.PCT / EP95 / 00866 Sec。 371日期1996年9月16日 102（e）1996年9月16日PCT 1995年3月9日PCT公布。 出版物WO95 / 25150 PCT 日期1995年9月21日本发明涉及通式为AY-（MY）nB-（YM）nY-A的手性化合物，其中B为式“IMAGE”或“IMAGE”的基团，其中基团A独立地为一 另一个是可以被氟，氯，溴或氰取代的C 1至C 20烷基，并且可被O，S，NH，NCH 3，COO或OCO间隔，X是碳或硼，Y彼此独立地是 化学键，O，S，NH，N（CH 3），COO或OCO和M彼此独立地是介晶基团，n彼此独立地为0或1，条件是一个n不为0。化合物 根据本发明适合作为液晶介质中的掺杂剂。
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