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
S. Kanemasa et al., 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, J AM CHEM S, 120(47), 1998, pp. 12355-12356