1. 2,5-Dilithiation of N-protected imidazoles. Syntheses of 2,5-disubstituted derivatives of 1-methoxymethyl-, 1-triphenylmethyl-, and 1-(N,N-dimethylsulphonamido)-imidazole Derek J. Chadwick,Raphael I. Ngochindo J. Chem. Soc. Perkin Trans. 1 1984 481