PROCESS FOR THE PREPERATION OF N-ALKYL-2(HYDROXY-4 BENZOYL)-3 BENZOFURANS AND ITS INTERMEDIATES THEREOF

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...

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Bibliographic Details
Main Authors SHOUTTEETEN, ALAIN, BLEGER, FRANCOIS, MORDACQ, FRANCOISE, PIRON, JEROME
Format Patent
LanguageEnglish
French
Published 21.07.2005
Edition7
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary: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. L'invention concerne un procédé d'élaboration de 2-(n-alkyle)-3-(4-hydroxybenzoyle)benzofurane, de formule (I), dans laquelle R est un radical alkyle linéaire ou ramifié comprenant entre 1 et 5 atomes de carbone et R1 est aussi ce radical comprenant entre 1 et 3 atomes de carbone, un radical alcoxy linéaire ou ramifié comprenant entre 1 et 3 atomes de carbone, un atome d'halogène ou un radical nitro, et l'invention concerne également des intermédiaires correspondants.
Bibliography:Application Number: WO2004IB04158