Patent ID: 6821581
Filing Date: 2004-11-23
Classification: C07B,C07C,C09K

Abstract:
A nematic liquid crystal composition containing at least one of the optically active compound of the general formula (1) as chiral dopant, wherein each of m and n is independently an integer of 4 to 8, A is â€”Phâ€”COOâ€”Phâ€”, â€”Phâ€”Phâ€”COOâ€”, â€”Cyâ€”COOâ€”Phâ€”, â€”Phâ€”OOCâ€”Phâ€”COOâ€”, â€”Phâ€”OOCâ€”Cyâ€”COOâ€”, â€”Phâ€”OOCâ€”Npâ€”COOâ€” or â€”Npâ€”OOCâ€” in which â€”Phâ€” is a 1,4-phenylene group, and â€”Cyâ€” is a 1,4-cyclohexylene group and â€”Npâ€” is a 2,6-naphtylene group, and C* is an asymmetric carbon atom.