(2R,4R)-4-[(2R,4S,5S,6R)-6-[(1R,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-butyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-[(4R,5S,6R)-2,2,5-trimethyl-6-((S)-1-methyl-allyl)-[1,3]dioxan-4-yl]-pentan-2-ol 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成 (2R,4R)-4-[(2R,4S,5S,6S)-6-((1S,2R)-2-Hydroxy-1-methyl-butyl)-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-[(4R,5S,6R)-2,2,5-trimethyl-6-((S)-1-methyl-allyl)-[1,3]dioxan-4-yl]-pentan-2-ol