| abstract |
(2-Haloergolinyl)-N',N'-diethylurea derivatives of Formula I <IMAGE> (I) and the salts thereof, wherein R is hydrogen, alkyl of up to 6 carbon atoms, or alkenyl of up to 3 carbon atoms, X is halogen, <IMAGE> is a CC single or CC double bond, and the urea residue in the 8-position can be in the alpha - or beta -configuration, have neuropsychotropic properties. As a result, they are excellently suitable for treatment of psychotic disturbances and emesis. |