3-[(4S,5S)-5-((R)-1-Methoxy-butyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-3-methyl-butan-2-one 在
(S,S)-2,5-trans-dimethylborolanyl trifluoromethanesulfonate 、
N,N-二异丙基乙胺 作用下,
生成 (4R,5S,6R)-4-Ethyl-6-{3-[(4S,5S)-5-((R)-1-methoxy-butyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-3-methyl-2-oxo-butyl}-5-methyl-[1,3]dioxan-2-one