1: hexadecanoic acid With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine in ethyl acetate T=20°C; 1 h; 2: (2R)-2-amino-1-propanol in ethyl acetate T=20°C; 12 h;

T=120°C; 5 h; Inert atmosphere;