Method for producing .alpha.,.alpha.-dimethyl-.DELTA.-valerolactone
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United States of America Patent
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Mar 29, 1988
Grant Date -
N/A
app pub date -
Oct 16, 1986
filing date -
Oct 17, 1985
priority date (Note) -
Expired
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Abstract
A method for producing .alpha.,.alpha.-dimethyl-.delta.-valerolactone which comprises carrying out the addition reaction of hydrogen bromide and 2,2-dimethyl-4-pentenoic acid in the presence or absence of a catalyst to synthesize 2,2-dimethyl-5-bromovaleric acid which is then subjected to ring-closure reaction by alkali treatment.
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