1: With diisobutylaluminium hydride in dichloromethane T=-78°C; Reduction; 2 h; 2: With hydrogenchloride in methanol Hydrolysis; 48 h;

hydrogenchloride; methanol; diisobutylaluminium hydride 1.) CH2Cl2, -78 deg C; Yield given. Multistep reaction;

<b>Multi-step reaction with 2 steps<br /> </b>1: 32 percent / potassium hexacyanoferrate(III); potassium carbonate; osmium tetroxide / 2-methyl-propan-2-ol; H₂O / 20 &deg;C<br />2: 89 percent / di-tert butyl dicarbonate / 10 percent Pd/C / ethyl acetate / 18 h / 20 &deg;C<br /> <br /> &nbsp;