Optically active aromatic carboxylic acid derivatives and proces

Details Optically active aromatic carboxylic acid derivatives and proces Optically active aromatic carboxylic acid derivatives and proces

1988-04-25

1991-05-28

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560179, 560186, 560188, 560254, 560 64, 560 65, 560 66, 562465, 562469, 562473, C07C 0508, C07C 6976, C07C 5900

Patent

active

050192981

ABSTRACT:
Disclosed are optically active aromatic carboxylic acid derivatives represented by the formula (I): ##STR1## (wherein R.sub.2 represents an alkoxyalkyl group having 1 to 20 carbon atoms or an alkyl group having 1 to 20 carbon atoms, which alkyl group may be substituted with a halogen atom; represents a number of 1 or 2; m represents a number of 0 or 1; and * indicates asymmetric carbon atom) and a process for producing such derivatives through the following reaction steps: ##STR2## The optically active aromatic carboxylic acid derivatives represented by the above-described formula (I) are useful as a liquid crystal material and can be also utilized as an intermeidate for the preparation of pharmaceuticals, agricultural chemicals and the like.

REFERENCES:
patent: 4016186 (1977-04-01), Konda

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