(12E,16E)-(3S,6R,7S,8S,15S)-3,7,15-Tris-(tert-butyl-dimethyl-silanyloxy)-1-hydroxy-4,4,6,8-tetramethyl-17-(2-methyl-thiazol-4-yl)-12-trityloxymethyl-heptadeca-12,16-dien-5-one 在
草酰氯 、
二甲基亚砜 、
三乙胺 作用下,
生成
(12E,16E)-(3S,6R,7S,8S,15S)-3,7,15-Tris-(tert-butyl-dimethyl-silanyloxy)-4,4,6,8-tetramethyl-17-(2-methyl-thiazol-4-yl)-5-oxo-12-trityloxymethyl-heptadeca-12,16-dienal