In recent attempts3 we found that, like quinine, 4a several typical aliphatic 1, 2-amino alcohols did not undergo the Oppenauer oxidation with aluminum t-butoxide and benzophenone or cyclohexanone. However, aluminum isopropoxide reductions of the corresponding, aiid other, a-amino ketones have proceeded without difficulty in all cases tried except the a-(N-alkyl-ethano1amino)-ketones which are cyclic. 6 It follows that under ...
