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.;

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.;