In addition, aliphatic aldehydes also reacted efficiently to afford the desired products (S)-4aqa and (S)-4ara in high ee. Fig. 3: Substrate scope of the enantioselective A3-coupling reaction. a Aldehydes scope, b alkynes scope, c amines scope, and d biologically active molecules. Reaction...
Non-limiting examples of cationic surfactants include: the quaternary ammonium surfactants, which can have up to 26 carbon atoms include: alkoxylate quaternary ammonium (AQA) surfactants; dimethyl hydroxyethyl quaternary ammonium; dimethyl hydroxyethyl lauryl ammonium chloride; polyamine cationic surfactants; ...