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US 4,380,650 AGranted
Lactone process
AssigneeMonsanto Company
InventorsJames P. Coleman, Richard C. Hallcher, Dudley E. McMackins
Life of this patent
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Abstract
Acyloxyhexenoic acids are converted to .gamma.-vinyl-.gamma.-butyrolactone.
Claims22
The process of converting acyloxyhexenoic acids selected from 6-acyloxy-4-hexenoic acid, 4-acyloxy-5-hexenoic acid and mixtures of same, to .gamma.-vinyl-.gamma.-butyrolactone which comprises reacting such acids under conditions suitable for elimination of the acyloxy moiety for a time sufficient to effect such conversion.
Dependencies are inferred from the claim text.