公开(公告)号：US5660762A

公开(公告)日：1997-08-26

申请号：US575131

申请日：1995-12-19

申请人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

发明人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/20 ,  C09K19/34

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/2007 ,  C09K19/2021

摘要： A two-rings-containing phenyl ester compound of the following general formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group having 5 to 12 carbon atoms, R.sup.2 is a linear alkyl group having 1 to 15 carbon atoms, X.sup.1 and X.sup.2 are both hydrogen atoms or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, Y.sup.1 and Y.sup.2 are both hydrogen atoms or one of Y.sup.1 and Y.sup.2 is a fluorine atom and the other is a hydrogen atom, and A.sup.1 is a hydrogen atom, --CH.sub.3 or --CF.sub.3, provided that when A.sup.1 is a hydrogen atom or --CH.sub.3, p is 0 and that when A.sup.1 is --CF.sub.3, p is t and q is an integer of 5 to 8, and an anti-ferroelectric liquid crystal composition containing at least one of two-rings-containing phenyl ester compounds of the above general formula (1) in claim 1 and either an anti-ferroelectric liquid crystal compound or a mixture of anti-ferroelectric liquid crystal compounds.

摘要翻译： 含有下述通式（1）的双环的苯基酯化合物，其中R1是碳原子数为5〜12的直链烷基，R2是碳原子数1〜15的直链烷基 X1和X2都是氢原子，X1和X2之一是氟原子，另一个是氢原子，Y1和Y2都是氢原子，Y1和Y2之一是氟原子，另一个是氢原子 ，A1为氢原子，-CH3或-CF3，条件是当A1为氢原子或-CH3时，p为0，当A1为-CF3时，p为t，q为5〜8的整数， 以及含有权利要求1中的上述通式（1）的含两环的苯基酯化合物中的至少一种的反铁电液晶组合物，还有反铁电液晶化合物或抗铁电液晶混合物 化合物。

公开(公告)号：US5723069A

公开(公告)日：1998-03-03

申请号：US767680

申请日：1996-12-17

申请人： Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama

发明人： Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama

IPC分类号： G02F1/13 ,  C07C69/773 ,  C07C69/86 ,  C07C69/92 ,  C09K19/02 ,  C09K19/20 ,  C07C69/76

CPC分类号： C09K19/0266 ,  C09K19/2021

摘要： An anti-ferroelectric liquid crystal compound of the following general formula (1), and an anti-ferroelectric liquid crystal composition containing it, ##STR1## wherein R is a linear alkyl group, A is --O-- or --COO--, m is an integer of 5 or greater, n is an integer of 1 to 3, each of X and Y is independently a hydrogen atom or a fluorine atom, and C* is asymmetric carbon.

摘要翻译： 下述通式（1）的反铁电液晶化合物和含有它的反铁电液晶组合物，其中R是直链烷基，A是-O-或 -COO-，m为5以上的整数，n为1〜3的整数，X和Y各自独立地为氢原子或氟原子，C *为不对称碳。

公开(公告)号：US6018070A

公开(公告)日：2000-01-25

申请号：US839342

申请日：1997-04-18

申请人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

发明人： Maki Ito ,  Tomoyuki Yui ,  Masahiro Johno ,  Teruyo Tomiyama ,  Hiroshi Mineta ,  Yuki Motoyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/20 ,  C09K19/34 ,  C07C41/00 ,  C07C69/76

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/2007 ,  C09K19/2021

摘要： A two-rings-containing phenyl ester compound of the following general formula (1), ##STR1## wherein R.sup.1 is a linear alkyl group having 5 to 12 carbon atoms, R.sup.2 is a linear alkyl group having 1 to 15 carbon atoms, X.sup.1 and X.sup.2 are both hydrogen atoms or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, Y.sup.1 and Y.sup.2 are both hydrogen atoms or one of Y.sup.1 and Y.sup.2 is a fluorine atom and the other is a hydrogen atom, and A.sup.1 is a hydrogen atom, --CH.sub.3 or --CF.sub.3, provided that when A.sup.1 is a hydrogen atom or --CH.sub.3, p is 0 and that when A.sup.1 is --CF.sub.3, p is 1 and q is an integer of 5 to 8, and an anti-ferroelectric liquid crystal composition containing at least one of two-rings-containing phenyl ester compounds of the above general formula (1) in claim 1 and either an anti-ferroelectric liquid crystal compound or a mixture of anti-ferroelectric liquid crystal compounds.

摘要翻译： 含有下述通式（1）的含双环的苯基酯化合物，其中，R 1为碳原子数5〜12的直链烷基，R 2为碳原子数1〜15的直链烷基，X1和X2均为 氢原子或X1和X2之一是氟原子，另一个是氢原子，Y1和Y2都是氢原子，Y1和Y2中的一个是氟原子，另一个是氢原子，而A1是氢原子 原子，-CH 3或-CF 3，条件是当A 1为氢原子或-CH 3时，p为0，当A 1为-CF 3时，p为1，q为5〜8的整数，反铁电性液体 含有权利要求1中的上述通式（1）的含两环的苯基酯化合物中的至少一种的水晶组合物，以及抗铁电液晶化合物或抗铁电液晶化合物的混合物。

公开(公告)号：US5716544A

公开(公告)日：1998-02-10

申请号：US635320

申请日：1996-04-19

申请人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto ,  Teruyo Tomiyama

发明人： Yuki Motoyama ,  Tomoyuki Yui ,  Masahiro Johno ,  Takahiro Matsumoto ,  Teruyo Tomiyama

IPC分类号： C07C69/90 ,  C09K19/02 ,  C09K19/46 ,  C09K19/12 ,  C09K19/20

CPC分类号： C09K19/0266 ,  C07C69/90 ,  C09K19/46

摘要： A phenyl ester compound of the following general formula (1), ##STR1## wherein m is an integer of 3 to 8, n is an integer of 3 to 11, both of X.sup.1 and X.sup.2 are hydrogen atoms, or one of X.sup.1 and X.sup.2 is a fluorine atom and the other is a hydrogen atom, and A is a hydrogen atom or --CH.sub.3 ; and an anti-ferroelectric liquid crystal composition containing the above phenyl ester compound and a specific anti-ferroelectric liquid crystal compound or a specific liquid crystal compound having ferrielectric-phase.

摘要翻译： 下述通式（1）的苯基酯化合物，其中m为3〜8的整数，n为3〜11的整数，X1和X2均为氢原子，或者为 X1和X2是氟原子，另一个是氢原子，A是氢原子或-CH 3; 以及含有上述苯基酯化合物和特定的抗铁电液晶化合物的反铁电液晶组合物或具有铁电相的特定液晶化合物。

公开(公告)号：US06258296B1

公开(公告)日：2001-07-10

申请号：US09462988

申请日：2000-01-19

申请人： Masahiro Johno ,  Yuki Motoyama ,  Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui

发明人： Masahiro Johno ,  Yuki Motoyama ,  Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui

IPC分类号： C09K1920

CPC分类号： C09K19/2007 ,  C07C69/92 ,  C09K19/02

摘要： A fluorine-substituted compound of the following general formula (1) or (2), and a ferrielectric liquid crystal composition comprising the above compound and a specific ferrielectric liquid crystal compound, wherein, in the formula (1), each of X1 and X2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 0 to 3 and q is an integer of 1 to 3, and in the formula (2), each of X1 and x2 is a hydrogen atom, or one of them is a hydrogen atom and the other is a fluorine atom, p is an integer of 1 to 3 and q is an integer of 1 to 3.

摘要翻译： 下述通式（1）或（2）的氟取代的化合物，以及包含上述化合物和特定的电介质液晶化合物的电介质液晶组合物，其中，在式（1）中，X 1和X 2 是氢原子，其中一个为氢原子，另一个为氟原子，p为0〜3的整数，q为1〜3的整数，式（2）中，X 1 x2为氢原子，其中一个为氢原子，另一个为氟原子，p为1〜3的整数，q为1〜3的整数。

公开(公告)号：US5951914A

公开(公告)日：1999-09-14

申请号：US923287

申请日：1997-09-04

申请人： Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

发明人： Takahiro Matsumoto ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

IPC分类号： C07C69/90 ,  C09K19/20 ,  C09K19/12

CPC分类号： C07C69/90 ,  C09K19/2007 ,  C09K19/2021

摘要： A racemic compound of the formula (1) ##STR1## and an anti-ferroelectric liquid crystal composition consisting essentially of said racemic compound and one anti-ferroelectric liquid crystal compound of the formula (2) or a mixture of two or more compounds selected from anti-ferroelectric liquid crystal compounds of the formula (2), ##STR2## said composition having excellent steepness of threshold, having an anti-ferroelectric phase in a broad temperature range and having the performance of a high response speed and a high contrast.

摘要翻译： 式（1）的外消旋化合物和基本上由所述外消旋化合物和式（2）的一种反铁电液晶化合物或两种或更多种选自抗铁电体的化合物的混合物组成的反铁电液晶组合物 式（2）的液晶化合物，所述组合物具有优异的阈值陡度，在宽温度范围内具有抗铁电相，具有高响应速度和高对比度的性能。

公开(公告)号：US5364560A

公开(公告)日：1994-11-15

申请号：US827631

申请日：1992-01-29

申请人： Masamichi Mizukami ,  Tomoyuki Yui ,  Masahiro Johno ,  Yoshihisa Arai ,  Hiroshi Mineta

发明人： Masamichi Mizukami ,  Tomoyuki Yui ,  Masahiro Johno ,  Yoshihisa Arai ,  Hiroshi Mineta

IPC分类号： C07C69/94 ,  C09K19/02 ,  C09K19/20 ,  C09K19/12 ,  C07C43/02 ,  C07C69/76 ,  G02F1/13

CPC分类号： C09K19/0266 ,  C07C69/94 ,  C09K19/20 ,  C09K19/2021

摘要： An antiferroelectric liquid crystal compound which is a compound represented by ##STR1## wherein R denotes a linear aliphatic alkyl group having 6 to 14 carbon atoms; A denotes a single bond or an oxygen atom; X and Y independently denote a hydrogen atom or a fluorine atom but they are not hydrogen atoms at the same time; h and i are independently 1 or 2; m is an integer of 3 to 10; Z denotes CH.sub.3, C.sub.2 H.sub.5 or CF.sub.3 ; k is 0 or an integer of 5 to 8; l is 0 or 1; n is an integer of 1 to 6; W denotes CH.sub.3 or CF.sub.3 ; when W is CH.sub.3, p and q are both 0 and r is 8; when W is CF.sub.3, p is 5 to 8, q is 1 and r is 1 to 4; and C* denotes an asymmetric carbon atom,and a liquid crystal display device using same.

摘要翻译： （1）式（I-a）或（3）式（I-c）表示的化合物的反铁电液晶化合物（I-c）其中R表示碳原子数为6〜14的直链脂肪族烷基; A表示单键或氧原子; X和Y独立地表示氢原子或氟原子，但它们不同时为氢原子; h和i独立为1或2; m为3〜10的整数。 Z表示CH3，C2H5或CF3; k为0或5〜8的整数， l为0或1; n为1〜6的整数。 W表示CH3或CF3; 当W为CH3时，p和q均为0，r为8; 当W为CF 3时，p为5至8，q为1且r为1至4; C *表示不对称碳原子，和使用该碳原子的液晶显示装置。

公开(公告)号：US5264150A

公开(公告)日：1993-11-23

申请号：US788164

申请日：1991-11-05

申请人： Tomoyuki Yui ,  Hiroshi Mineta ,  Masahiro Johno ,  Yoshihisa Arai

发明人： Tomoyuki Yui ,  Hiroshi Mineta ,  Masahiro Johno ,  Yoshihisa Arai

IPC分类号： C07C43/13 ,  C07C69/90 ,  C07C69/92 ,  C07C69/94 ,  C09K19/20 ,  C07C41/00 ,  C09K19/12

CPC分类号： C07C69/90 ,  C07C43/137 ,  C07C69/92 ,  C07C69/94 ,  C09K19/2021

摘要： A liquid crystal compound represented by formula (II) ##STR1## wherein R denotes a linear alkyl group having 6 to 14 carbon atoms, X denotes a single bond or an oxygen atom, K and L are independently 1 or 2, m is an integer of 5 to 7, n is an integer of 1 to 4, and C* denotes an asymmetric carbon atom,said compound having an antiferroelectric phase. This liquid crystal compound is produced by using a novel optically active alcohol represented by formula (I) ##STR2##

公开(公告)号：US6103517A

公开(公告)日：2000-08-15

申请号：US260482

申请日：1999-03-02

申请人： Takakiyo Mine ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

发明人： Takakiyo Mine ,  Hiroshi Mineta ,  Tomoyuki Yui ,  Masahiro Johno

IPC分类号： C12P41/00

CPC分类号： C12P41/00

摘要： A process for the production of R-configuration or S-configuration optically active alcohol having the formula (1),CH.sub.3 C*H(OH)(CH.sub.2).sub.m OC.sub.n H.sub.2n+1 (1)wherein m is an integer of 3 to 5, n is an integer of 1 to 3, and C* is an asymmetric carbon,and the formula (2), which comprises carrying out the optical resolution of the racemic alcohol,CH.sub.3 CH(OH)(CH.sub.2).sub.m OC.sub.n H.sub.2n+1 (2)wherein m is an integer of 3 to 5 and n is an integer of 1 to 3,into an R-configuration compound and S-configuration compound by the asymmetric trans-esterification thereof is provided in the presence of vinyl propionate as an esterifying agent and a lipase as a catalyst.

摘要翻译： 制备具有式（1）的CH 3 C * H（OH）（CH 2）m OC n H 2n + 1（1）的R构型或S-构型光学活性醇的方法，其中m为3至5的整数，n为 1〜3的整数，C *是不对称碳，式（2）包括进行外消旋醇的CH 3 CH（OH）（CH 2）mOC n H 2n + 1（2）的光学拆分，其中m为 3〜5的整数，n为1〜3的整数，作为R构型的化合物，通过不对称的酯交换反应，得到S构型的化合物，作为酯化剂而使用丙酸乙烯酯作为酯化剂，脂肪酶为 催化剂

公开(公告)号：US5976409A

公开(公告)日：1999-11-02

申请号：US99772

申请日：1998-06-19

申请人： Hiroshi Mineta ,  Masahiro Johno ,  Tomoyuki Yui ,  Takahiro Matsumoto

发明人： Hiroshi Mineta ,  Masahiro Johno ,  Tomoyuki Yui ,  Takahiro Matsumoto

IPC分类号： C07C69/94 ,  C09K19/02 ,  C09K19/20 ,  C09K19/12 ,  C07C69/76

CPC分类号： C09K19/0266 ,  C07C69/94 ,  C09K19/2007

摘要： A swallow-tail-shaped liquid crystal compound of the following general formula (1), ##STR1## wherein A is --O--, --COO-- or a single bond (--), m is an integer of 4 to 12, and n is an integer of 2 to 4.The above swallow-tail-shaped liquid crystal compound of the present invention is a novel achiral anti-ferroelectric liquid crystal and can be converted to an optically active anti-ferroelectric liquid crystal by mixing it with an optically active compound as a chiral dopant.

摘要翻译： 下述通式（1）的燕尾型液晶化合物，其中A为-O-，-COO-或单键（ - ），m为4〜12的整数，n为整数 本发明的燕尾型液晶化合物是新型的非手性反铁电液晶，可以通过将光学活性化合物与光学活性化合物混合而转化为光学活性的反铁电液晶 手性掺杂剂。