Preparation of unsaturated or saturated .alpha., .omega.-dialdehydes and .alpha., .omega.-diacids
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United States of America Patent
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Sep 23, 1986
Grant Date -
N/A
app pub date -
Sep 30, 1980
filing date -
Oct 5, 1979
priority date (Note) -
Expired
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Abstract
Process for the concurrent preparation of olefinically unsaturated or satted .alpha.,.omega.-dialdehydes and .alpha.,.omega.-diacids, characterized by the fact that the monoozonide of a a mono- or polyunsaturated cycloolefine in solution in a polar solvent, is treated with water and subsequently with an alkaline aqueous solution at room pressure and at a temperature from -5.degree. C. to 70.degree. C., maintaining during the addition of the alkali, a pH not higher than 12, the dialdehyde and the diacid being subsequently isolated by known, conventional methods.
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