(1aS,3aR,3bR,4R,6aS,7S,7aR)-(-)-3,3a,3b,4,5,6,6a,7-Octahydro-4,7-dihydroxy-3a,5,5-trimethyl-3-methylen-cyclopenta<4,5>pentaleno<1,6a-b>oxiren-2(1aH)-on 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 0.25h,
以72%的产率得到(1aR,2R,3aR,3bR,4R,6aS,7S,7aR)-(+)-Decahydro-2,4,7-trihydroxy-3a,5,5-trimethyl-3-methylen-cyclopenta<4,5>pentaleno<1,6a-b>oxiren