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.
                            一个用于制备卤代烯酮前体的过程,该过程包括在液态反应介质中,在湍流条件下将一个
羧酸卤化物与一个
乙烯基醚反应,以及一个通过从所述前体中消除卤化氢来形成烯酮的制备烯酮的过程。