<Dd> Symmetric secondary amines can be prepared using Raney nickel (2RNH → R NH + NH). And finally, quaternary ammonium salts can be dealkylated using ethanolamine: </Dd> <Dd> R N + NH CH CH OH → R N + RN H CH CH OH </Dd> <Dd> Aminonaphthalenes also undergo transaminations . </Dd> <P> Transamination is mediated by several different aminotransferase enzymes . These may be specific for individual amino acids, or they may be able to process a group of chemically similar ones . The latter applies to the group of the branched - chain amino acids, which comprises leucine, isoleucine, and valine . The two common types of aminotransferases are Alanine aminotransferase (ALT) and Aspartate aminotransferase (AST). </P>

What is the function of ethanol in transamination reaction