The present application provides a method for producing an beta-lactone product. The method includes the steps of: reacting an epoxide, a solvent with a carbonylation catalyst and carbon monoxide to produce a reaction stream comprising a beta-lactone then separating a portion of the beta-lactone in the reaction stream from the solvent and carbonylation catalyst to produce: i) a beta-lactone stream with the beta-lactone, and ii) a catalyst recycling stream including the carbonylation catalyst and the high boiling solvent; and adding the catalyst recycling stream to the feed stream.
当前申请提供了一种生产β-内酯产品的方法。该方法包括以下步骤:使环氧化合物、溶剂与羰基化催化剂和
一氧化碳反应,以产生包含β-内酯的反应流,然后从溶剂和羰基化催化剂中分离反应流中的一部分β-内酯,以产生:i)包含β-内酯的β-内酯流,和ii)包含羰基化催化剂和高沸点溶剂的催化剂回收流;并将催化剂回收流加入到进料流中。