Hen CuI(OTf)benzene complex/(S)MefKetalPhos (14)/Et3N technique is
Hen CuI(OTf)benzene complex/(S)MefKetalPhos (14)/Et3N method is employed, the enantioselectivity of cycloaddition of azlactone 1d, endowed having a far more hindered benzyl group, onto fullerene is still higher with 88 of…