Optically active β-lactams were obtained conveniently by lipase-catalyzed enantioselective hydrolysis of 1-acyloxymethyl-2-azetidinones and esterification of 1-hydroxymethyl-3, 3-dimethyl-2-azetidinone with vinyl acetate in organic solvent.
                                    通过
脂肪酶催化的对映体选择性
水解 1-acyloxymethyl-2-azetidinones 以及 1-hydroxymethyl-3, 3-dimethyl-2-azetidinone 与
乙酸乙烯酯在有机溶剂中的酯化反应,可方便地获得具有光学活性的 β-内酰胺。