Process for the production of 13-oxabicyclo(10.3.0)pentadecane and process for the production of intermediates
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United States of America Patent
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Jul 25, 1989
Grant Date -
N/A
app pub date -
Jan 10, 1985
filing date -
Jan 11, 1984
priority date (Note) -
Expired
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Abstract
13-oxabicyclo[10.3.0]pentadecane, a valuable ambergris fragrance, is prepared by reacting cyclododecanone with cyanoacetic acid in the presence of a Knoevenagel catalyst to form cyclododecenylacetonitrile, the nitrile is hydrolyzed to cyclododecenylacetic acid, and the acid is cyclized to the lactone, and the lactone is reduced to the corresponding diol which is cyclized to 13-oxabicyclo[10.3.0]pentadecane.
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