Question

3. Sodium borodeuteride (NaBD) and lithium aluminum deuteride (LiAID) are convenient reagents for introducing deuterium, the mass-2 isotope of hydrogen, into organic compounds. Write the structure of the organic product of the following reactions, clearly showing the position of all the deuterium atoms in each: (2x3=6) (a) Reduction of HCHO (formaldehyde) with LiAlD4 in diethyl ether, followed by addition of D20. (b) Reduction of CH3CHO (acetaldehyde) with NaBD4 in H2O.

Answer 1

Addlikou OD Мәх LIAIO4 t D-C-H B0 MONDAY OH tt Nab Dy t .CH-C-H 7 CH3-C-H Reducing apents ite GALK4+NakH trampa tybide iond h in to Calloonyl gloup atl easton Ho wdkup to get Alcohel product same ar in Deuhvated lengenty CGAIO4NABDY