Asymmetric oxidopyrylium-alkene [5+2] cycloaddition: a divergent approach for the synthesis of enantiopure oxabicyclo[5.4.0]undecanes
作者:U. Murali Krishna、Kodand D. Deodhar、Girish K. Trivedi
DOI:10.1016/j.tet.2004.04.003
日期:2004.5
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.
已经开发了一种Chiron合成对映体氧双环加合物16和32的方法,该方法采用了3-氧化吡啶与不饱和糖的分子内[5 + 2]环加成。