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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).
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页码:3933 / 3942
页数:10
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