(±)-Eperuane-8β, 15-diol (5__∼) and (±)-labdane-8α, 15-diol (6__∼), diastereomeric diterpenes to each other, were synthesized stereoselectively, via the same intermediate lactone (7__∼) starting from a known racemic tricyclic compound (8__∼).
(±)-Eperuane-8β, 15-diol(5__∼)和(±)-labdane-8α, 15-diol(6__∼)是互为非对映异构体的二
萜类化合物,它们是由已知的外消旋
三环化合物(8__∼)通过相同的中间内
酯(7__∼)立体选择性合成的。