Fluorine-Directed Glycosylation

被引:107
作者
Bucher, Christoph [1 ]
Gilmour, Ryan [1 ]
机构
[1] Swiss Fed Inst Technol, Organ Chem Lab, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland
关键词
bioisosteres; conformational analysis; fluoroglycosides; organofluorine chemistry; oxonium ions; MOLECULAR MECHANICAL INVESTIGATIONS; PI-FACIAL STEREOSELECTIVITY; OXOCARBENIUM IONS; ELECTROSTATIC STABILIZATION; NUCLEOPHILIC ADDITIONS; THEORETICAL EVIDENCE; CHEMISTRY; 2-DEOXY-BETA-GLYCOSIDES; SUBSTITUENT; DONORS;
D O I
10.1002/anie.201004467
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Everything's under control: A stabilizing fluorine electrostatic interaction has been exploited to control oxonium ion conformation in 2-fluoropyranose derivatives (see scheme). When matched with the inductive nature of the protecting groups, the glycosyl donors were found to be highly selective (2-FGluc/benzyl → β; 2-FManno/pivaloyl → α) leading to fluoro-glycostructures with excellent control over the anomeric configuration. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:8724 / 8728
页数:5
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