16-tert-butyldimethylsilyloxy-13-epi-pimar-8(14)-en-18-ol, acetate 在
sodium hydroxide 、
硼烷 、
双氧水 作用下,
生成 Acetic acid (1R,4aR,4bS,7R,10aR)-7-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-8-hydroxy-1,4a,7-trimethyl-tetradecahydro-phenanthren-1-ylmethyl ester