Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Ni complex, [N,N′-bis[o-p-toluenesulfonylamino)benzylidene]ethylenediaminato]nickel(II) (1), was found to be a good catalyst for the epoxidation of olefins with molecular oxygen in the presence of 2-methylpropanal (Mukaiyama's conditions). ... Ni complex 1 was found to ...