Synthesis of pyranoid and furanoid glycals from glycosyl sulfoxides by treatment with organolithium reagents

被引:22
|
作者
Gomez, Ana M. [1 ]
Casillas, Marta [1 ]
Barrio, Aitor [1 ]
Gawel, Anna [1 ]
Lopez, J. Cristobal [1 ]
机构
[1] CSIC, Inst Quim Organ Gen, E-28006 Madrid, Spain
关键词
glycosyl sulfoxides; organolithium reagents; pyranoid glycals; furanoid glycals; sulfoxide ligand exchange;
D O I
10.1002/ejoc.200800318
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Glycosyl sulfoxides can be conveniently transformed into pyranoid or furanoid glycals by treatment with organolithium reagents. The more likely reaction pathway involves a sulfoxide/metal exchange reaction to generate a glycosyllithium derivative that undergoes beta-elimination of its C-2 substituent. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008).
引用
收藏
页码:3933 / 3942
页数:10
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