氯化亚砜 、
5-((2S,3S,4R)-3,4-dihydroxytetrahydrothiophen-2-yl)pentanoic acid 在
5-((3aS,4S,6aR)-2-oxidotetrahydrothieno[3,4-d][1,3,2]dioxathiol-4-yl)pentanoic acid 作用下,
以
乙腈 为溶剂,
以to obtain 5-((3aS,4S,6aR)-2-oxidotetrahydrothieno[3,4-d][1,3,2]dioxathiol-4-yl)pentanoic acid (Compound 36)的产率得到5-((3aS,4S,6aR)-2-oxidotetrahydrothieno[3,4-d][1,3,2]dioxathiol-4-yl)pentanoic acid