A NEW METHOD FOR THE SYNTHESIS OF α-L-THREOFURANOSIDES FROM ACYCLIC PRECURSOR

A NEW METHOD FOR THE SYNTHESIS OF α-L-THREOFURANOSIDES FROM ACYCLIC PRECURSOR
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无环前体合成α-L-苏代呋喃糖苷的新方法

DOI:
10.1246/cl.1982.1555
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发表时间:
1982
期刊:
影响因子:
1.6
通讯作者:
NakatsukaTakashi
NakatsukaTakashi
中科院分区:
化学4区
文献类型:
--
作者:
MukaiyamaTeruaki;SugayaToru;MaruiShogo;NakatsukaTakashi

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无环前体(2S,3S)-2,3-O-异亚丙基-4-氯-4-苯硫基丁酸甲酯(3)在SnCl_2-AgClO_4催化下进行立体选择性烷氧基化,然后在Pd(OAc)_2的促进下进行环合,以较好的产率得到α-L-苏呋喃糖苷。
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.