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. ... Dialkylcuprolithium reagents are efficiently condensed at low temperature onto N-Methyl 2-(2,4,6-trimethyl) cyclo 1,3-oxoimminium salts giving rise specifically to the corresponding alkylamides. ... M. Drěme, S. Brunel, P. Le Perchec, J. Garapon, B. Sillion, Tetrahedron ( ...