(1S,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.03,8]pentadeca-3(8),4,6,11-tetraene-2,9-dione 在
乙醇 、
sodium 作用下,
以
乙醚 为溶剂,
生成 (1S,9S,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.0
3,8]pentadeca-3(8),4,6,11-tetraene-1,2,9-triol