Process for the preparation of .alpha.-alkyl lactones by the steps of first reacting an .alpha.-acyl lactone, an aldehyde, and an alkali metal hydroxide together to form an .alpha.-alkylidene lactone, and then hydrogenating the .alpha.-alkylidene lactone.
制备α-烷基内酯的步骤为,首先将α-酰基内酯、醛和碱
金属氢氧化物一起反应,形成α-烷基亚
甲基内酯,然后对α-烷基亚
甲基内酯进行加氢。