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US5143643A
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Optically active mesomorphic compound
Assignee: Canon Inc
•
Filing: 1989-07-03
•
Granted: 1992-09-01
•
Expires: 2009-07-03
Abstract
Abstract An optically active mesomorphic compound represented by the formula (III) is obtained through an optically active compound represented by the formula (I) and then through a compound represented by the formula (II), respectively, shown below. ##STR1## In the above formulas, R represents a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1-18 carbon atoms each capable of having a substituent, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, A is a releasable active group such as hydroxyl, l is 0 or 1, and when l is 1, m is 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR2## respectively denote ##STR3## p, q and r are respectively 0 or 1 satisfying the relation of p+q+r≧1.
Inventors
- 👤 Takashi Iwaki
- 👤 Kenji Shinjo
- 👤 Akio Yoshida
- 👤 Masataka Yamashita
- 👤 Kazuharu Katagiri
- 👤 Chieko Hioki
- 👤 Takeshi Togano
- 👤 Yoko Yamada
- 👤 Masahiro Terada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:19
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/26; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/20; C07C43/205; C07C43/2055; C07C43/23; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/20; C09K19/2007; C09K19/2021; C09K19/30; C09K19/3001; C09K19/3066; C09K19/3068; C09K19/34; C09K19/3441; C09K19/345; C09K19/3458; C09K19/3463
Claims Analysis
Total Claims: 170
Claim 1
Independent Claim
163 words
A mesomorphic compound represented by the following formula (III): ##STR105## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, l is 0 or 1, and l is 1, m is 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR106## respectively denote ##STR107## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q[+r]≧1 with the proviso that (i) ##STR108## cannot both be ##STR109## simultaneously; (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 2
Dependent Claim
163 words
A mesomorphic compound represented by the following formula (III): ##STR105## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, l is 0 or 1, and l is 1, m is 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR106## respectively denote ##STR107## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q[+r]≧1 with the proviso that (i) ##STR108## cannot both be ##STR109## simultaneously; (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 3
Dependent Claim
170 words
A liquid crystal composition containing at least one mesomorphic compound represented by the following formula (III): ##STR110## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, l is 0 or 1, and when l is 1, mis 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR111## respectively denote ##STR112## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q≧1 with the proviso that (i) ##STR113## cannot both be ##STR114## simultaneously (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 4
Dependent Claim
170 words
A liquid crystal composition containing at least one mesomorphic compound represented by the following formula (III): ##STR110## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5, l is 0 or 1, and when l is 1, mis 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR111## respectively denote ##STR112## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q≧1 with the proviso that (i) ##STR113## cannot both be ##STR114## simultaneously (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 5
Dependent Claim
23 words
A composition according to claim 2, which contains the mesomorphic compound represented by the formula (III) in addition to a ferroelectric liquid crystal.
Claim 6
Dependent Claim
23 words
A composition according to claim 3, which contains the mesomorphic compound represented by the formula (III) in a proportion of 0.1-99 wt. %.
Claim 7
Dependent Claim
23 words
A composition according to claim 3, which contains the mesomorphic compound represented by the formula (III) in a proportion of 1-90 wt. %.
Claim 8
Dependent Claim
24 words
A composition according to claim 2, which contains the mesomorphic compound represented by the formula (III) in addition to a non-chiral smectic liquid crystal.
Claim 9
Dependent Claim
23 words
A composition according to claim 6, which contains the mesomorphic compound represented by the formula (III) in a proportion of 0.1-99 wt. %.
Claim 10
Dependent Claim
23 words
A composition according to claim 2, which contains the mesomorphic compound represented by the formula (III) in addition to a nematic liquid crystal.
Claim 11
Dependent Claim
23 words
A composition according to claim 6, which contains the mesomorphic compound represented by the formula (III) in a proportion of 0.01-50 wt. %.
Claim 12
Dependent Claim
182 words
A liquid crystal device comprising: a pair of substrates and a liquid crystal composition disposed therebetween containing at least one compound represented by the following formula (III): ##STR115## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5 l is 0 or 1, and when l is 1, m is 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR116## respectively denote ##STR117## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q≧1 with the proviso that (i) ##STR118## cannot both be ##STR119## simultaneously; (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 13
Dependent Claim
182 words
A liquid crystal device comprising: a pair of substrates and a liquid crystal composition disposed therebetween containing at least one compound represented by the following formula (III): ##STR115## wherein R represents a linear alkyl group having 1-18 carbon atoms, C* represents an asymmetric carbon atom, k is an integer of from 2 to 5 l is 0 or 1, and when l is 1, m is 0, 1 or 2 and n is 0 or 1; R 1 represents an alkyl or alkoxy group having 1-18 carbon atoms; ##STR116## respectively denote ##STR117## p, q and r are respectively 0 or 1, p and q satisfying the relation of p+q≧1 with the proviso that (i) ##STR118## cannot both be ##STR119## simultaneously; (ii) p+q=2 and r is 1 when l is 0; (iii) m is 1 or 2, n is 0 or 1 and r is 1 when l=1 and p+q=1; (iv) r and n are respectively 0 when l is 1, p+q=2 and m=0; and (v) r and n are respectively 0 or 1 when l is 1, p+q=2 and m is 1.
Claim 14
Dependent Claim
13 words
A compound according to claim 1, which is in a liquid crystal state.
Claim 15
Dependent Claim
12 words
A compound according to claim 11, which is in a smectic phase.
Claim 16
Dependent Claim
13 words
A compound according to claim 12, which is in a chiral smectic phase.
Claim 17
Dependent Claim
9 words
A compound according to claim 1, which is ##STR120##
Claim 18
Dependent Claim
9 words
A compound according to claim 1, which is ##STR121##
Claim 19
Dependent Claim
9 words
A compound according to claim 1, which is ##STR122##
Claim 20
Dependent Claim
9 words
A compound according to claim 1, which is ##STR123##
Claim 21
Dependent Claim
9 words
A compound according to claim 1, which is ##STR124##
Claim 22
Dependent Claim
9 words
A compound according to claim 1, which is ##STR125##
Claim 23
Dependent Claim
9 words
A compound according to claim 1, which is ##STR126##
Claim 24
Dependent Claim
9 words
A compound according to claim 1, which is ##STR127##
Claim 25
Dependent Claim
9 words
A compound according to claim 1, which is ##STR128##
Claim 26
Dependent Claim
9 words
A compound according to claim 1, which is ##STR129##
Claim 27
Dependent Claim
9 words
A compound according to claim 1, which is ##STR130##
Claim 28
Dependent Claim
9 words
A compound according to claim 1, which is ##STR131##
Claim 29
Dependent Claim
9 words
A compound according to claim 1, which is ##STR132##
Claim 30
Dependent Claim
9 words
A compound according to claim 1, which is ##STR133##
Claim 31
Dependent Claim
9 words
A compound according to claim 1, which is ##STR134##
Claim 32
Dependent Claim
9 words
A compound according to claim 1, which is ##STR135##
Claim 33
Dependent Claim
9 words
A compound according to claim 1, which is ##STR136##
Claim 34
Dependent Claim
9 words
A compound according to claim 1, which is ##STR137##
Claim 35
Dependent Claim
9 words
A compound according to claim 1, which is ##STR138##
Claim 36
Dependent Claim
9 words
A compound according to claim 1, which is ##STR139##
Claim 37
Dependent Claim
9 words
A compound according to claim 1, which is ##STR140##
Claim 38
Dependent Claim
9 words
A compound according to claim 1, which is ##STR141##
Claim 39
Dependent Claim
9 words
A compound according to claim 1, which is ##STR142##
Claim 40
Dependent Claim
9 words
A compound according to claim 1, which is ##STR143##
Claim 41
Dependent Claim
9 words
A compound according to claim 1, which is ##STR144##
Claim 42
Dependent Claim
9 words
A compound according to claim 1, which is ##STR145##
Claim 43
Dependent Claim
9 words
A compound according to claim 1, which is ##STR146##
Claim 44
Dependent Claim
9 words
A compound according to claim 1, which is ##STR147##
Claim 45
Dependent Claim
9 words
A compound according to claim 1, which is ##STR148##
Claim 46
Dependent Claim
9 words
A compound according to claim 1, which is ##STR149##
Claim 47
Dependent Claim
9 words
A compound according to claim 1, which is ##STR150##
Claim 48
Dependent Claim
9 words
A compound according to claim 1, which is ##STR151##
Claim 49
Dependent Claim
9 words
A compound according to claim 1, which is ##STR152##
Claim 50
Dependent Claim
9 words
A compound according to claim 1, which is ##STR153##
Claim 51
Dependent Claim
9 words
A compound according to claim 1, which is ##STR154##
Claim 52
Dependent Claim
9 words
A compound according to claim 1, which is ##STR155##
Claim 53
Dependent Claim
9 words
A compound according to claim 1, which is ##STR156##
Claim 54
Dependent Claim
9 words
A compound according to claim 1, which is ##STR157##
Claim 55
Dependent Claim
9 words
A compound according to claim 1, which is ##STR158##
Claim 56
Dependent Claim
9 words
A compound according to claim 1, which is ##STR159##
Claim 57
Dependent Claim
9 words
A compound according to claim 1, which is ##STR160##
Claim 58
Dependent Claim
9 words
A compound according to claim 1, which is ##STR161##
Claim 59
Dependent Claim
9 words
A compound according to claim 1, which is ##STR162##
Claim 60
Dependent Claim
9 words
A compound according to claim 1, which is ##STR163##
Claim 61
Dependent Claim
9 words
A compound according to claim 1, which is ##STR164##
Claim 62
Dependent Claim
9 words
A compound according to claim 1, which is ##STR165##
Claim 63
Dependent Claim
9 words
A compound according to claim 1, which is ##STR166##
Claim 64
Dependent Claim
9 words
A compound according to claim 1, which is ##STR167##
Claim 65
Dependent Claim
9 words
A compound according to claim 1, which is ##STR168##
Claim 66
Dependent Claim
9 words
A compound according to claim 1, which is ##STR169##
Claim 67
Dependent Claim
9 words
A compound according to claim 1, which is ##STR170##
Claim 68
Dependent Claim
9 words
A compound according to claim 1, which is ##STR171##
Claim 69
Dependent Claim
9 words
A compound according to claim 1, which is ##STR172##
Claim 70
Dependent Claim
9 words
A compound according to claim 1, which is ##STR173##
Claim 71
Dependent Claim
9 words
A compound according to claim 1, which is ##STR174##
Claim 72
Dependent Claim
9 words
A compound according to claim 1, which is ##STR175##
Claim 73
Dependent Claim
9 words
A compound according to claim 1, which is ##STR176##
Claim 74
Dependent Claim
9 words
A compound according to claim 1, which is ##STR177##
Claim 75
Dependent Claim
9 words
A compound according to claim 1, which is ##STR178##
Claim 76
Dependent Claim
9 words
A compound according to claim 1, which is ##STR179##
Claim 77
Dependent Claim
9 words
A compound according to claim 1, which is ##STR180##
Claim 78
Dependent Claim
9 words
A compound according to claim 1, which is ##STR181##
Claim 79
Dependent Claim
9 words
A compound according to claim 1, which is ##STR182##
Claim 80
Dependent Claim
9 words
A compound according to claim 1, which is ##STR183##
Claim 81
Dependent Claim
9 words
A compound according to claim 1, which is ##STR184##
Claim 82
Dependent Claim
9 words
A compound according to claim 1, which is ##STR185##
Claim 83
Dependent Claim
9 words
A compound according to claim 1, which is ##STR186##
Claim 84
Dependent Claim
9 words
A compound according to claim 1, which is ##STR187##
Claim 85
Dependent Claim
9 words
A compound according to claim 1, which is ##STR188##
Claim 86
Dependent Claim
9 words
A compound according to claim 1, which is ##STR189##
Claim 87
Dependent Claim
9 words
A compound according to claim 1, which is ##STR190##
Claim 88
Dependent Claim
9 words
A compound according to claim 1, which is ##STR191##
Claim 89
Dependent Claim
9 words
A compound according to claim 1, which is ##STR192##
Claim 90
Dependent Claim
9 words
A compound according to claim 1, which is ##STR193##
Claim 91
Dependent Claim
9 words
A compound according to claim 1, which is ##STR194##
Claim 92
Dependent Claim
9 words
A compound according to claim 1, which is ##STR195##
Claim 93
Dependent Claim
9 words
A compound according to claim 1, which is ##STR196##
Claim 94
Dependent Claim
9 words
A compound according to claim 1, which is ##STR197##
Claim 95
Dependent Claim
9 words
A compound according to claim 1, which is ##STR198##
Claim 96
Dependent Claim
9 words
A compound according to claim 1, which is ##STR199##
Claim 97
Dependent Claim
9 words
A compound according to claim 1, which is ##STR200##
Claim 98
Dependent Claim
9 words
A compound according to claim 1, which is ##STR201##
Claim 99
Dependent Claim
9 words
A compound according to claim 1, which is ##STR202##
Claim 100
Dependent Claim
9 words
A compound according to claim 1, which is ##STR203##
Claim 101
Dependent Claim
9 words
A compound according to claim 1, which is ##STR204##
Claim 102
Dependent Claim
9 words
A compound according to claim 1, which is ##STR205##
Claim 103
Dependent Claim
9 words
A compound according to claim 1, which is ##STR206##
Claim 104
Dependent Claim
9 words
A compound according to claim 1, which is ##STR207##
Claim 105
Dependent Claim
9 words
A compound according to claim 1, which is ##STR208##
Claim 106
Dependent Claim
9 words
A compound according to claim 1, which is ##STR209##
Claim 107
Dependent Claim
9 words
A compound according to claim 1, which is ##STR210##
Claim 108
Dependent Claim
9 words
A compound according to claim 1, which is ##STR211##
Claim 109
Dependent Claim
9 words
A compound according to claim 1, which is ##STR212##
Claim 110
Dependent Claim
9 words
A compound according to claim 1, which is ##STR213##
Claim 111
Dependent Claim
9 words
A compound according to claim 1, which is ##STR214##
Claim 112
Dependent Claim
9 words
A compound according to claim 1, which is ##STR215##
Claim 113
Dependent Claim
9 words
A compound according to claim 1, which is ##STR216##
Claim 114
Dependent Claim
9 words
A compound according to claim 1, which is ##STR217##
Claim 115
Dependent Claim
9 words
A compound according to claim 1, which is ##STR218##
Claim 116
Dependent Claim
9 words
A compound according to claim 1, which is ##STR219##
Claim 117
Dependent Claim
9 words
A compound according to claim 1, which is ##STR220##
Claim 118
Dependent Claim
9 words
A compound according to claim 1, which is ##STR221##
Claim 119
Dependent Claim
9 words
A compound according to claim 1, which is ##STR222##
Claim 120
Dependent Claim
9 words
A compound according to claim 1, which is ##STR223##
Claim 121
Dependent Claim
9 words
A compound according to claim 1, which is ##STR224##
Claim 122
Dependent Claim
9 words
A compound according to claim 1, which is ##STR225##
Claim 123
Dependent Claim
9 words
A compound according to claim 1, which is ##STR226##
Claim 124
Dependent Claim
9 words
A compound according to claim 1, which is ##STR227##
Claim 125
Dependent Claim
9 words
A compound according to claim 1, which is ##STR228##
Claim 126
Dependent Claim
9 words
A compound according to claim 1, which is ##STR229##
Claim 127
Dependent Claim
9 words
A compound according to claim 1, which is ##STR230##
Claim 128
Dependent Claim
9 words
A compound according to claim 1, which is ##STR231##
Claim 129
Dependent Claim
9 words
A compound according to claim 1, which is ##STR232##
Claim 130
Dependent Claim
9 words
A compound according to claim 1, which is ##STR233##
Claim 131
Dependent Claim
9 words
A compound according to claim 1, which is ##STR234##
Claim 132
Dependent Claim
9 words
A compound according to claim 1, which is ##STR235##
Claim 133
Dependent Claim
9 words
A compound according to claim 1, which is ##STR236##
Claim 134
Dependent Claim
9 words
A compound according to claim 1, which is ##STR237##
Claim 135
Dependent Claim
9 words
A compound according to claim 1, which is ##STR238##
Claim 136
Dependent Claim
9 words
A compound according to claim 1, which is ##STR239##
Claim 137
Dependent Claim
9 words
A compound according to claim 1, which is ##STR240##
Claim 138
Dependent Claim
9 words
A compound according to claim 1, which is ##STR241##
Claim 139
Dependent Claim
9 words
A compound according to claim 1, which is ##STR242##
Claim 140
Dependent Claim
9 words
A compound according to claim 1, which is ##STR243##
Claim 141
Dependent Claim
9 words
A compound according to claim 1, which is ##STR244##
Claim 142
Dependent Claim
9 words
A compound according to claim 1, which is ##STR245##
Claim 143
Dependent Claim
9 words
A compound according to claim 1, which is ##STR246##
Claim 144
Dependent Claim
9 words
A compound according to claim 1, which is ##STR247##
Claim 145
Dependent Claim
9 words
A compound according to claim 1, which is ##STR248##
Claim 146
Dependent Claim
9 words
A compound according to claim 1, which is ##STR249##
Claim 147
Dependent Claim
9 words
A compound according to claim 1, which is ##STR250##
Claim 148
Dependent Claim
9 words
A compound according to claim 1, which is ##STR251##
Claim 149
Dependent Claim
9 words
A compound according to claim 1, which is ##STR252##
Claim 150
Dependent Claim
9 words
A compound according to claim 1, which is ##STR253##
Claim 151
Dependent Claim
9 words
A compound according to claim 1, which is ##STR254##
Claim 152
Dependent Claim
9 words
A compound according to claim 1, which is ##STR255##
Claim 153
Dependent Claim
9 words
A compound according to claim 1, which is ##STR256##
Claim 154
Dependent Claim
9 words
A compound according to claim 1, which is ##STR257##
Claim 155
Dependent Claim
9 words
A compound according to claim 1, which is ##STR258##
Claim 156
Dependent Claim
9 words
A compound according to claim 1, which is ##STR259##
Claim 157
Dependent Claim
9 words
A compound according to claim 1, which is ##STR260##
Claim 158
Dependent Claim
9 words
A compound according to claim 1, which is ##STR261##
Claim 159
Dependent Claim
9 words
A compound according to claim 1, which is ##STR262##
Claim 160
Dependent Claim
9 words
A compound according to claim 1, which is ##STR263##
Claim 161
Dependent Claim
9 words
A compound according to claim 1, which is ##STR264##
Claim 162
Dependent Claim
9 words
A compound according to claim 1, which is ##STR265##
Claim 163
Dependent Claim
9 words
A compound according to claim 1, which is ##STR266##
Claim 164
Dependent Claim
9 words
A compound according to claim 1, which is ##STR267##
Claim 165
Dependent Claim
9 words
A compound according to claim 1, which is ##STR268##
Claim 166
Dependent Claim
9 words
A compound according to claim 1, which is ##STR269##
Claim 167
Dependent Claim
9 words
A compound according to claim 1, which is ##STR270##
Claim 168
Dependent Claim
9 words
A compound according to claim 1, which is ##STR271##
Claim 169
Dependent Claim
9 words
A compound according to claim 1, which is ##STR272##
Claim 170
Dependent Claim
9 words
A compound according to claim 1, which is ##STR273##
References Cited (Backward Citations)
EP0034268A2
Cited
US4613209A
Cited
US4576732A
Cited
US4725688A
Cited
US4744918A
Cited
US4556727A
Cited
EP0175591A2
Cited
US4775223A
Cited
US4834904A
Cited
DE3515373A1
Cited
US4820839A
Cited
US4882085A
Cited
GB2181429A
Cited
US4812259A
Cited
WO1987005012A2
Cited
EP0255219A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-01 | 1996-03-02 | 1996-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-01 | 2000-03-02 | 2000-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-01 | 2004-03-02 | 2004-09-01 | $7700.00 | Window Closed / Lapsed |