Asymmetric oxidopyrylium-alkene[5+2] cycloaddition: a divergent approach for the synthesis of enantiopure oxabicyclo[5.4.0]undecanes

被引:27
作者
Krishna, UM [1 ]
Deodhar, KD [1 ]
Trivedi, GK [1 ]
机构
[1] Indian Inst Technol, Dept Chem, Bombay 400076, Maharashtra, India
关键词
D-ribose; 3-oxidopyrylium; asymmetric synthesis; 5+2] cycloaddition;
D O I
10.1016/j.tet.2004.04.003
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A Chiron approach to the synthesis of enantiomeric oxabicyclic adducts 16 and 32 has been developed employing an intramolecular [5+2] cycloaddition of 3-oxidopyrylium with unsaturated sugars. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4829 / 4836
页数:8
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