(1R,9R,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-9-hydroxymethyl-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.03,8]pentadeca-3(8),4,6,11-tetraen-2-one 在
potassium tert-butylate 、
氧气 作用下,
以
四氢呋喃 、
二甲基亚砜 为溶剂,
以96%的产率得到(1S,9R,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-9-hydroxymethyl-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.0
3,8]pentadeca-3(8),4,6,11-tetraen-2-one