(1R,6S,7S,11S,13R)-6-Acetyl-13-hydroxy-6,11-dimethyl-4,8-dioxa-tricyclo[5.3.3.0
1,7]tridecane-3,9-dione 在
sodium tetrahydroborate 作用下,
生成
(1R,6R,7S,11S,13R)-13-Hydroxy-6-((R)-1-hydroxy-ethyl)-6,11-dimethyl-4,8-dioxa-tricyclo[5.3.3.01,7]tridecane-3,9-dione