Journal of the American Chemical Society, Vol.120, No.47, 12355-12356, 1998
Highly endo- and enantioselective asymmetric nitrone cycloadditions catalyzed by the aqua complex of 4,6-dibenzofurandiyl-2,2 ＇-bis (4-phenyl-oxazoline)-nickel(II) perchlorate. Transition structure based on dramatic effect of MS 4A on selectivities
Keywords:DIELS-ALDER CYCLOADDITIONS, 1;3-DIPOLAR CYCLOADDITION, VINYLETHERS, ALKENES, DIASTEREOSELECTIVITY