Process for the preparation of n-alkyl-2(hydroxy-4benzoyl)-3 benzofurans and intermediates thereof
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United States of America Patent
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Jun 9, 2009
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Jul 5, 2007
app pub date -
Dec 15, 2004
filing date -
Dec 24, 2003
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Abstract
Process for the preparation of a 2-(n-alkyl)-3-(4-hydroxybenzoyl)benzofuran of formula (I)in which R represents a linear or branched alkyl radical including from 1 to 5 carbon atoms and R1 represents a linear or branched alkyl radical including from 1 to 3 carbon atoms, a linear or branched alkoxy radical including from 1 to 3 carbon atoms, a halogen atom or a nitro radical, and intermediates.
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