Li(1+)*C12H28AlO3(1-) in tetrahydrofuran; hexane 0.5 h; Ambient temperature;

sodium tetrahydroborate; ozone 1) CH2Cl2, MeOH, -78 deg C, 1.5h, 2) aqu. EtOH, a) 1h, RT, b) 50 deg C, 1h, c) RT; Yield given. Multistep reaction;