作者:Teruaki Mukaiyama、Toru Sugaya、Shogo Marui、Takashi Nakatsuka
DOI:10.1246/cl.1982.1555
日期:1982.10.5
Stereoselective alkoxylation of acyclic precursor, (2S,3S)-2,3-O-isopropylidene-4-chloro-4-phenylthiobutyric acid methyl ester (3) in the presence of SnCl2–AgClO4, followed by Pd(OAc)2 promoted cyclization gave α-l-threofuranosides in good yields.
立体选择性烷氧基化非环状前体 (2S,3S)-2,3-O-异丙烯基-4-氯-4-苯硫丁酸甲酯 (3),在 SnCl2–AgClO4 的存在下进行,然后通过 Pd(OAc)2 催化环化,得到 α-l-三氟呋喃苷,产率良好。