(1S,2R,5S,6R,8R,9S,11R)-11-(2-Benzenesulfonyl-ethyl)-5-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-6,10,10-trimethyl-12-oxo-13-oxa-tricyclo[6.4.1.01,6]tridecane-9-carboxylic acid methyl ester 在
potassium tert-butylate 、
氧气 、
叔丁醇 、
亚磷酸三乙酯 作用下,
生成 (1S,2R,5S,6R,8R,9S,11S)-11-(2-Benzenesulfonyl-ethyl)-5-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-11-hydroxy-6,10,10-trimethyl-12-oxo-13-oxa-tricyclo[6.4.1.0
1,6]tridecane-9-carboxylic acid methyl ester