C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
31/105, 345/59,
C07C 69/76 (2006.01) C07C 69/757 (2006.01) C07C 69/90 (2006.01) C07C 323/62 (2006.01) C09K 19/02 (2006.01) C09K 19/32 (2006.01) G02F 1/133 (2006.01)
Patent
CA 2031577
In accordance with the present invention, there are provided carboxylate compounds represented by the following formula [A] and liquid crystal compositions containing said compounds. (see formula I) wherein R is a group selected from the group consisting of alkyl of 3-20 carbon atoms, alkoxyl of 3-20 carbon atoms and halogenated alkyl of 3-20 carbon atoms, X and Y each represent a group selected from the group consisting of -COO-, -OCO-, -CH2CH2-, -CH2O-,-OCH2-, -S-S-, (see formula II) and (see formula III) or a single bond, A and D each represents a group selected from the group consisting of (see formula IV to X) and (see formula XI) and R* is an optically active gruop of 4-20 carbon atoms containing at least one asymmetric carbon atom (hydrogen atoms attached to the carbon atoms of said optically active group may be substituted with halogen atoms), and m and n are each an integer of 0-2, with the proviso that both m and n are not 0 at the same time.
Doi Nobuyuki
Hama Hideo
Miyakoshi Shoichi
Nishiyama Shinichi
Shimizu Toyoji
Mitsui Chemicals Inc.
Smart & Biggar
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