Jl. Moutou et al., TMSO-TRIFLATE-ASSISTED ADDITION OF ENOLS TO HETEROAROMATIC IMINES OR HYDROXYAMINAL INTERMEDIATES, Tetrahedron letters, 35(37), 1994, pp. 6883-6886
TMSOTf-promoted reaction of heteroaromatic imines or hydroxyaminal int
ermediates with various enolic ketones are reported. This reaction con
stitutes an original and regioselective mode of alkylation of exocycli
c amines of heterocyclic amidines.