Complexes of iodine with ammonia, cyclohexylamine, benzylamine, rnorpholine and piperidine have all been found to react reddily with benzalacetophenone. When sufficient additional amounts of ammonia or the amine are present, good yields can usually be obtained of 2-phenyl-3-benzoylethylenimines from ammonia or the primary amines, and of a,@-diaminobenzylacetophenones from the secondary amines. Benzalacetone reacts ...