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. ... 1-Methyl-2-substituted-5-nitroimidazoles are easily rearranged in very good yields in presence of catalytic amount of CH 3 I affording the corresponding 4-nitroimidazoles. The synthetic usefulness of this rearrangement and some mechanistic details are discussed.