(1S,3R,9S,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-1,9-dihydroxy-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.03,8]pentadeca-4,7,11-trien-2-one 在
氨 、
sodium 作用下,
以
四氢呋喃 为溶剂,
以85%的产率得到(1S,2S,3S,9S,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.0
3,8]pentadeca-4,7,11-triene-1,2,9-triol