Process for preparing substituted styrenes
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United States of America Patent
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Aug 29, 2000
Grant Date -
N/A
app pub date -
Sep 23, 1992
filing date -
Sep 23, 1992
priority date (Note) -
Expired
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Abstract
Substituted styrenes are synthesized by a simple, low temperature technique. A protected phenol styrene is reacted with an acid anhydride, dicarbonate, a halogen substituted alkyl, or an acid chloride in the presence of base to form a carbonyl substituted styrene. Unexpected yield decrease due to distillation is avoided because the product is sufficiently pure to be used without such distillation.
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