Bifunctional optically active liquid crystal intermediate compou

Details Bifunctional optically active liquid crystal intermediate compou Bifunctional optically active liquid crystal intermediate compou

1990-08-07

1992-12-15

Stoll, Robert L.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 568642, 568647, 568897, C09K 1906, C09K 1952, C07C 4100

Patent

active

051714701

ABSTRACT:
A bifunctional optically active liquid crystal intermediate compound represented by the following Formula (I): X--Y--C.sub.* H(M)--CH.sub.2 --OH is disclosed, wherein X represents CH.sub.2 .dbd.CH--, HOCH.sub.2 --CH.sub.2 --, HSCH.sub.2 --CH.sub.2 --, HOCH.sub.2 --, HOOC--, HOCH.sub.2 CH.dbd.CH--, CH.sub.3 CH(OH)-- or HOCH.sub.2 C.sub.* H(Z)--; Y represents --CH.sub.2).sub.n or --CH.sub.2 (.sub.m O).sub.l CH.sub.2 --, where n represents an integer of 1 to 18, m represents an integer of 1 to 12, and l represents an integer of 1 to 4; M and Z each represents halogen atom, an alkyl group or an alkoxy group, said halogen atom being selected from the group consisting of I, Cl, Br and F, and said alkyl group or alkoxy group having 1 to 8 carbon atoms; and the mark * represents an asymmetric carbon atom. A process for preparing the intermediate compound is also disclosed.

REFERENCES:
patent: 4560811 (1984-12-01), Sharpless et al.
patent: 4798680 (1989-01-01), Nohira et al.
patent: 4801759 (1989-01-01), Siegmeier et al.
patent: 4918213 (1990-04-01), Nohira et al.
Morrison & Boyd, Organic Chemistry, pp. 715-716, 133, 158-160 5th Edition.
Chemical Abstracts 100:22830f.
Chemical Abstracts 54:6678.

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