rac-8'α-<<(tert-Butyl)diethylsilyl>oxy>-4'aβ,5',6',7',8',8'a-hexahydro-2',5,5',5',8'aβ-pentamethyl-4'-oxospiro-naphthalin>-5-carboxaldehyd 在
sodium tetrahydroborate 作用下,
以
异丙醇 为溶剂,
反应 1.0h,
以85%的产率得到rac-8'α-<<(tert-Butyl)dimethylsilyl>oxy>-4'aβ,5',6',7',8',8'a-hexahydro-5-(2-hydroxyethyl)-2',5,5',5',8'aβ-pentamethylspiro
-naphthalin>-4'-on