lipase-PS in hexane T=25°C; 1 h; Product distribution; Further Variations:CatalystsSolvents;

racemate resolution; kinetc resolution via acetylation with vinyl acetate catalysed by lipase PS; Title compound not separated from byproducts;

1: With oxalyl dichloride; dimethyl sulfoxide in diethyl ether; dichloromethane T=-78°C; Swern oxidation; 0.75 h; Inert atmosphere; 2: With triethylamine in dichloromethane T=-78 - 0°C; Swern oxidation; 0.5 h; Inert atmosphere;