Abstract Compounds of the type H 2 C [DOUBLE BOND] CR 1-C [TRIPLE BOND] C-CH 2-N (C 2 H 5) 2 (I), when treated with potassium tert-butoxide in dimethyl sulfoxide are converted predominantly into the 3-alken-1-ynylamines H 3 C-CR 1 [DOUBLE BOND] CH-C [TRIPLE BOND] CN (C 2 H 5) 2 (IV), while those of the type R 2 CH 2-CR 3 [DOUBLE BOND] CH-C [TRIPLE BOND] C-CH 2-N (C 2 H 5) 2 (VI) yield 1, 3, 5-trienylamines R 2 CH [DOUBLE ...
