(+)-Boronolide (= (1′R,2′R,3′S,6R)-5,6-dihydro-6-[1′,2′,3′-tris(acetoxy)heptyl]-2H-pyran-2-one) (1), a constituent isolated from Tetradenia fruticosa and T. barberae (Lamiaceae), was synthesized in 7 steps and in 5.2% overall yield from 2,3,4,5,6-penta-O-benzyl-D-glucose, whose four asymmetric centers were incorporated in 1.
(+)-Boronolide (= (1'R,2'R,3'S,6R)-5,6-dihydro-6-[1',2',3'-tris(acetoxy)heptyl]-2H- pyran-2-one) (1) 是一种从 Tetradenia fruticosa 和 T. barberae(唇形科)中分离出来的成分,通过 7 个步骤合成,从 2,3,4,5,6-penta-O- 合成的总产率为 5.2%苄基-
D-葡萄糖,其四个不对称中心合并在 1 中。