Sulphinyl compounds and their preparation
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United States of America Patent
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Jan 21, 1992
Grant Date -
N/A
app pub date -
Sep 13, 1990
filing date -
Sep 20, 1989
priority date (Note) -
Expired
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Abstract
A compound of the formula ##STR1## in which R.sup.1 is an aralkyl group and R.sup.2 is COOR.sup.2 hydrogen or a monovalent organic group attached through a carbon atom and preferably is a hydrocarbon group, and n is one or two. Typically R.sup.2 is a lower alkyl group. The compound is prepared from the corresponding sulphide compound by oxidation, for example using hydrogen peroxide. The compound can be directly amidated to the corresponding amide which is a precursor for tri- and tetramethyleneisothiazolin-3-ones.
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