Sagami Chemical Research Center

Dainippon Ink and Chemicals, Incorporated

Kawamura Institute of Chemical Research

Kiyoharu Nishide

Tamejiro Hiyama

Takeshi Kuriyama

Tetsuo Kusumoto

Sadao Takehara

Masashi Osawa

Toru Fujisawa

Tadao Shoji

Kayoko Nakamura

Akiko Nakayama

An optically active lactone derivative represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a straight-chain or branched alkyl, alkoxyl, alkanoyloxy, alkoxycarbonyl, alkoxyalkyl, alkoxyalkanoyloxy, or alkoxyalkoxyl group having 1 to 20 carbon atoms or an optically active group of each of the above kinds, R.sup.2 represents a straight-chain or branched alkyl group having 1 to 20 carbon atoms, ##STR2## or trans-1,4-cyclohexylene group of the formula and the asymmetric carbon atoms at the 2- and 4-positions in the lactone ring each independently is of the (S) or (R) configuration, an intermediate therefor, a process for producing the intermediate, a liquid-crystal composition, and a liquid-crystal display device.

Optically active lactone derivative, intermediate therefor, process for

A process for preparing a trifluorovinylsilane represented by the general formula:

Process for the preparation of a trifluorovinylsilane, and

Growing community of inventors

Shiga, Japan

Kiyoharu Nishide