A family of dicobalt hexacarbonyl complexes of 1-(dialkylamino)-2-(trimethysilyl) acetylenes (3a-f) derived both from achiral and chiral amines [a, morpholine; b,(S)-2- methoxymethylpyrrolidine; c,(2 R, 5 R)-2, 5-bis (methoxymethyl) pyrrolidine; d,(±)-trans-2, 5- bis (benzyloxymethyl) pyrrolidine; e,(2 R, 5 R)-2, 5-dimethylpyrrolidine; f,(S)-(α- methylbenzyl) benzylamine] has been prepared by a one-stage process from ...