Process for the production of 5-oxy-7-oxabicyclo [4.1.0] hept-3-ene-3-carboxylic acid esters
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United States of America Patent
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Sep 28, 2004
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N/A
app pub date -
Jun 21, 2002
filing date -
Dec 27, 1999
priority date (Note) -
Expired
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Abstract
The present invention provides a method of producing 5-oxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid ester economically, industrially advantageously and efficiently in a large amount. The present invention is a method of producing 5-oxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid ester (X), which is shown in the following scheme. ##STR1## wherein each symbol is as defined in the specification.
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