1: (1R,2R)-(+)-pseudoephedrine-β-alanine amide With lithium chloride; lithium hexamethyldisilazane in tetrahydrofuran T=-5 - 0°C; 1 h; 2: methyl iodide in tetrahydrofuran 3: With water 72 h; Heating; Further stages. Title compound not separated from byproducts.;
Gani, David; Hitchcock, Peter B.; Young, Douglas W.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1363 - 1372