Acid addition salt of optically active piperidine compound and process for preparing the same
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United States of America Patent
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Aug 24, 2004
Grant Date -
Feb 28, 2002
app pub date -
Sep 12, 2001
filing date -
Dec 26, 1996
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Abstract
The present invention is to provide a benzenesulfonic acid salt and a benzoic acid salt of (S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butanoic acid represented by the formula (I): ##STR1## wherein * represents an asymmetric carbon, which are excellent in antihistaminic activity and anti-allergic activity, and a process for producing the same.
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