Process for the preparation of substituted thiopyran-1-oxides
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United States of America Patent
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Nov 18, 1997
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N/A
app pub date -
Apr 24, 1996
filing date -
Oct 25, 1993
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Abstract
A process is described for the preparation of a compound of formula (IX) from 4-hydroxybutyl 3-pyridyl ketone. The compound of formula (IX) is an intermediate useful in the preparation of (1R,2R)-2-(3-pyridyl)-N-alkyl-tetrahydro-2H-thiopyran-2-carbothioamide 1-oxides which possess useful pharmaceutical properties, for example anti-hypertensive properties. ##STR1##
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