α-Amino carbanions. A second generation formamidine for facile deprotonation leading to α-quaternary substitution
Michael A. Gonzaiez and A.I.Meyers, Tetrahedron Letters, Vol. 30, No 1, pp. 47-50, 1989
Formamidines derived from o-methoxymethylaniline (MMA) allow proton removal of tertiary protons in 1-substituted-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolines.
