this is illustrated by the reduction of ( e ) -2-methylcinnamyl aldehyde to ( r ) -2-methyl-3-phenylpropanal or ( r ) -2-methyl-3-phenylpropanol under different conditions and measuring the racemisation of the aldehyde as well as the hydrogen-deuterium exchange of 3-phenylpropanal .
C0020275
hydrogen
C0011744
deuterium