(3R)-1,3-Butanediol; (-)-1,3-Butanediol; (R)-(-)-1,3-Butanediol; (R)-1,3-Butanediol; L-Butane-1,3-diol;

(R) - (- ) - 1, 3- Butanediol is a chiral reagent used in the synthesis of pharmaceuticals including the preparation of (- ) - tarchonanthuslactone, a δ- lactone skeleton based compound with antiroliferative activity on cancer cell.