Preparation of 1,2-benzisothiazolones
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United States of America Patent
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Apr 5, 1988
Grant Date -
N/A
app pub date -
Jan 2, 1986
filing date -
Jan 10, 1985
priority date (Note) -
Expired
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Abstract
1,2-Benzisothiazolones and their alkali metal salts are prepared by reacting 2,2'-dithiodibenzamides in the presence of oxygen or oxygen donors in an aqueous alkaline medium to which a water-soluble organic solvent may be added and, if desired, freeing the benzisothiazolones from the alkali metal salts with acid.
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