Y. Ukaji et al., ENANTIOSELECTIVE AND DIASTEREOSELECTIVE SYNTHESIS OF ISOXAZOLIDINES BY ASYMMETRIC 1,3-DIPOLAR CYCLOADDITION OF NITRONES, Chemistry Letters, (6), 1997, pp. 547-548
The asymmetric 1,3-dipolar cycloaddition of nitrones possessing electr
on withdrawing group to an achiral allyl alcohol was achieved by the u
se of diisopropyl (R,R)-tartrate as a chiral auxiliary to afford the c
orresponding isoxazolidines with high regio-, diastereo- and enantiose
lectivity.