| Abstract
| - A highly stereoselective surfactant-catalyzed intramolecularnitrone (formed by dehydration in water) cycloaddition inaqueous media leading to exclusive formation of a singleisomer is reported. Either oxepane or pyran is formed from3-O-allyl furanoside derivatives, which constitute the framework of a large number of biologically active compounds.Therefore, the environmentally friendly, efficient, and highlystereoselective syntheses of these chiral intermediates are stilla meaningful pursuit.
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