Perfumery compositions
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United States of America Patent
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Aug 19, 1986
Grant Date -
N/A
app pub date -
Jan 29, 1985
filing date -
Feb 1, 1984
priority date (Note) -
Expired
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Abstract
3,3-Dimethyl-1,5-dioxaspiro [5,5] undecane is useful in perfumery compositions. It can be made economically by reaction of cyclohexanone with neopentyl glycol in the presence of an acid, generally paratoluene sulphonic acid, under dehydrating conditions, generally by refluxing with a non-polar solvent.
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