ERGOLINE DERIVATIVES

摘要

Ergoline derivatives are disclosed having the general formula WHEREIN R is selected from the group consisting of a lower alkyl radical having from 1 to 4 carbon atoms; an -NH-lower alkyl radical having from 1 to 4 carbon atoms; a free or substituted phenyl- or 2-furanoyl radical; the -O-CH2-C6H5 radical; a (3)- or (4)-pyridine radical free or substituted by a methyl radical or a chlorine or bromine atom; a pyrrole radical of formula WHEREIN Y is hydrogen, a lower alkyl radical having from 1 to 4 carbon atoms or phenyl; R1 is hydrogen or methyl; R2 is hydrogen, methyl or halogen; and R3 and R4 are the same or different and are hydrogen, halogen, a lower alkyl radical having from 1 to 4 carbon atoms, carbethoxy, or a lower alkyloxy radical having from 1 to 4 carbon atoms.