Stilbene compound, intermediate for producing the stilbene compo

Details Stilbene compound, intermediate for producing the stilbene compo Stilbene compound, intermediate for producing the stilbene compo

1990-12-20

1993-07-13

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 53, C07C 6976

Patent

active

052275124

ABSTRACT:
An optically active stilbene compound of formula (I): ##STR1## wherein R is an alkoxy group with 20 or less carbon atoms; n is an integer of 1 or 2; and R* is an optically active group, a substituted benzylphosphonate compound of formula (II) serving as an intermediate for preparing the above active stilbene compound, ##STR2## wherein X represents ##STR3## R' is an alkyl group having 1 to 5 carbon atoms, or an unsubstituted or substituted aryl group; and R* is the same as in formula (I), a method of producing the optically active stilbene compound of formula (I), and a liquid crystal composition containing the optically active stilbene compound of formula (I) are disclosed.

REFERENCES:
CA 97(17):144507w 1982.

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