Process for the preparation of N-alkyl-2(hydroxy-4 benzoyl)-3 benzofurans and its intermediates thereof
申请人:Clariant Specialty Fine Chemicals (France)
公开号:EP2508517A1
公开(公告)日:2012-10-10
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.
式 (I) 的 2-(正烷基)-3-(4-羟基苯甲酰基)苯并呋喃的制备工艺
其中 R 代表包括 1 至 5 个碳原子的直链或支链烷基,R1 代表包括 1 至 3 个碳原子的直链或支链烷基、包括 1 至 3 个碳原子的直链或支链烷氧基、卤素原子或硝基,以及中间体。