1: With lithium carbonate in water; tert-butyl alcohol T=23°C; 0.166667 h; Resolution of racemate; 2: With 2-hydroxymethyl-pyridine; Alcalase; water; Zn(CH3COO)2*2H2O in tert-butyl alcohol T=23°C; 4 h; Resolution of racemateEnzymatic reaction; optical yield given as percent ee;