A series of tertiary acetylenic amines has been prepared in connection with a research project being conducted on the synthesis of unsaturated, aliphatic amines. 1-Dialbylamino- propyne-2 compounds have been prepared previously by the reaction of the appropriate secondary amine, formaldehyde and acetylene, using pressure and a catalyst.* 1-Phenyl-3- dialkylamino-propyne- 1 compounds have been prepared by the reaction of ...