1: 14.06 g / LiAlH4 / diethyl ether / a.) 0 deg C, 10 min, b.) room temperature, 3.5 h 2: 83 percent / Et3N, DMAP / CH2Cl2 / 20 h / Ambient temperature 3: 91 percent / H2 / 10percent Pd-C / ethanol / Ambient temperature 4: H2O; propan-2-ol / pig pancreatic lipase, pH 7 buffer (K2HPO4-KH2PO4) View Scheme