(+)-Phrymarolin I was stereoselectively synthesized from (R)-(+)-3-hydroxybutanolide that had been prepared from (+)-malic acid. The procedure is more efficient than our previous synthesis in terms of fewer reaction steps and the easier availability of the starting material.
(+)-Phrymarolin I 是由(R)-(+)-3-羟基丁内酯立体选择性合成的,而(R)-(+)-3-羟基丁内酯是由(+)-
苹果酸制备的。与我们以前的合成方法相比,该方法反应步骤更少,更容易获得起始原料,因此效率更高。