Process for preparing silacyclohexane compounds

Details Process for preparing silacyclohexane compounds Process for preparing silacyclohexane compounds

1995-06-16

1996-10-01

Wu, Shean C.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229966, 25229963, 556406, 556477, C09K 1934, C09K 1930, C07F 708

Patent

active

055608663

ABSTRACT:
A process for preparing a silacyclohexane compound of the general formula ##STR1## wherein R and Q are, respectively, defined substituents, which process comprising the steps of converting a compound of the following formula ##STR2## to a halosilacyclohexane of the following formula ##STR3## wherein X is a halogen, reacting the halosilacyclohexane with an alcohol to obtain an alkoxysilacyclohexane of the formula which is equilibrated in steric configuration, and ##STR4## reducing the equilibrated alkoxysilacyclohexane whereby a trans form silacyclohexane compound is predominantly produced.

REFERENCES:
patent: 4410570 (1983-10-01), Kreuger et al.
patent: 5454977 (1995-10-01), Shimizu et al.

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