The invention relates to a process for the preparation, in a single step, of substituted 2-cyclopenten-1-ones by reacting a substituted enone with an aldehyde in the presence of a catalytic system. The catalytic system consists of a metal complex, such as a Ti(Cl)
3
(alkoxy), and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt.
本发明涉及一种制备取代的2-
环戊烯-1-酮的方法,该方法通过在催化剂体系的存在下,将取代的烯酮与醛在单个步骤中反应。催化剂体系由
金属配合物(例如Ti(Cl)3(烷氧基))和共同成分(例如
羧酸酐或无
水盐)组成。