[EN] PROCESS FOR THE DIRECT ALPHA-METHYLENATION OF KETONES<br/>[FR] PROCÉDÉ D'ALPHA-MÉTHYLÉNATION DIRECTE DE CÉTONES
申请人:RHODIA OPERATIONS
公开号:WO2020104398A1
公开(公告)日:2020-05-28
The invention relates to a process for preparing an α-methylene ketone comprising the step of reacting a ketone with formaldehyde in the presence of a catalyst which is an organic compound comprising at least one acid function or the corresponding salt, ester or amide thereof and at least one amine function or the corresponding ammonium salt, or a zwitterion thereof.
该发明涉及一种制备α-亚甲基酮的方法,包括以下步骤:在存在催化剂的情况下,将酮与甲醛反应,所述催化剂是一种有至少一个酸功能或其相应的盐、酯或酰胺以及至少一个胺功能或其相应的铵盐或其内盐的有机化合物。