METHOD FOR THE SYNTHESIS OF 4-BENZOFURAN-CARBOXYLIC ACID
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Feb 25, 2008
filing date -
Nov 21, 2007
priority date (Note) -
Abandoned
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Abstract
The invention concerns a novel method for synthesis of 4-benzofuran-carboxylic acid or alkyl ester thereof.This method is characterized in that a reaction for aromatization of a compound of formula (II) is performed for the synthesis of the compound of formula (I), according to the scheme A2 below:
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