Phenylalkanoic acid derivatives, process for producing the same and process for separating optical isomers thereof
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United States of America Patent
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Jul 18, 1995
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N/A
app pub date -
Feb 4, 1994
filing date -
Aug 10, 1991
priority date (Note) -
Expired
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Abstract
A novel phenylalkanoic acid derivative represented by the following formula ##STR1## wherein n is an integer of 1-2, X is a halogen atom, alkoxyl group or nitro group, R is a hydrogen atom or alkyl group, and Z is a hydrogen atom or acyl group, a method for producing said derivative, a method for separating the optical isomers of said derivative from each other, as well as an anti-inflammatory drug, analgesic drug or preparation for external use each containing said derivative.
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