Triflate compounds and process for preparing silacyclohexane-bas

Details Triflate compounds and process for preparing silacyclohexane-bas Triflate compounds and process for preparing silacyclohexane-bas

1995-08-04

1996-12-10

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229963, 25229966, 556406, C09K 1934, C09K 1930, C07F 708

Patent

active

055827659

ABSTRACT:
A triflate compound of the following general formula is provided ##STR1## wherein Ar represents a phenyl group or a tolyl group, R represents a phenyl group, a tolyl group, a linear alkyl group having from 1 to 10 carbon atoms, a mono or difluoroalkyl group having from 1 to 10 carbon atoms, a branched alkyl group having from 3 to 8 carbon atoms, an alkoxyalkyl group having from 2 to 7 carbon atoms and an alkenyl group having from 2 to 8 carbon atoms, Tf represents a trifluoromethanesulfonyl group, and Y represents H or F. A process for preparing silacyclohexane-based liquid crystal compounds from the triflate compound is also described.

REFERENCES:
patent: 5426206 (1995-06-01), Jung et al.
patent: 5454977 (1995-10-01), Shimizu et al.
patent: 5498737 (1996-03-01), Ogihara et al.

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