Process for cyclizing upsilon-chlorocarboxylic acids
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United States of America Patent
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May 28, 1985
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N/A
app pub date -
Jun 28, 1984
filing date -
Oct 11, 1979
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Expired
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Abstract
.gamma.-chlorocarboxylic acid methyl or ethyl esters are cyclized to the corresponding cyclopropane carboxylic acid esters by employing the sodium or potassium alcoholate of methanol or ethanol in the presence of the same alcohol at a temperature above the boiling point of the alcohol employed.
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