[EN] PROCESS FOR THE MANUFACTURE OF ALKENONES<br/>[FR] PROCÉDÉ DE FABRICATION D'ALCÉNONES
申请人:SOLVAY
公开号:WO2011003860A1
公开(公告)日:2011-01-13
Process for preparing an alkenone, which comprises the following steps: (a) providing a halogenated precursor of the alkenone (b) eliminating the hydrogen halide from said precursor to form the alkenone by a thermolysis treatment selected from flash thermolysis, vacuum thermolysis and thermolysis under stripping with inert gas.
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.