Process For The Manufacture Of Halogenated Precursors Of Alkenones In The Presence Of A Solvent
申请人:Braun Max
公开号:US20120116128A1
公开(公告)日:2012-05-10
A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium comprising an alkenone or a halogenated precursor of the alkenone, and a process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone.
Process For The Manufacture Of Halogenated Precursors Of Alkenones Under Specific Conditions
申请人:Braun Max
公开号:US20120101305A1
公开(公告)日:2012-04-26
A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium under turbulent conditions and a process for preparing an alkenone, by eliminating hydrogen halide from said precursor to form the alkenone.
[EN] PROCESS FOR THE MANUFACTURE OF HALOGENATED PRECURSORS OF ALKENONES UNDER SPECIFIC CONDITIONS<br/>[FR] PROCÉDÉ POUR LA FABRICATION DE PRÉCURSEURS HALOGÉNÉS D'ALCÉNONES SOUS DES CONDITIONS SPÉCIFIQUES
申请人:SOLVAY
公开号:WO2011003856A1
公开(公告)日:2011-01-13
The invention relates to a process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium under turbulent conditions. The invention also relates to a process for preparing an alkenone, by eliminating hydrogen halide from said precursor to form the alkenone.
[EN] PROCESS FOR THE MANUFACTURE OF HALOGENATED PRECURSORS OF ALKENONES IN THE PRESENCE OF A SOLVENT<br/>[FR] PROCÉDÉ DE FABRICATION DE PRÉCURSEURS HALOGÉNÉS D'ALCÉNONES EN PRÉSENCE D'UN SOLVANT
申请人:SOLVAY
公开号:WO2011003854A1
公开(公告)日:2011-01-13
The invention relates to a process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium comprising an alkenone or a halogenated precursor of the alkenone, and also relates to a process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone.
Process for the manufacture of halogenated precursors of alkenones and of alkenones
申请人:SOLVAY SA
公开号:EP2607343A1
公开(公告)日:2013-06-26
Process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium using an equipment having at least one surface in contact with the liquid reaction medium, wherein said surface consists of a material selected from glass, polytetrafluoroethylene and nickel based metal alloy.