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 17:08
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##
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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 |