FIELD: organic technology; pharmacology. SUBSTANCE: derivative of ergoline having formula I 
wherein R1-C2H5,R2-(CH2)3N(CH3)2,, R3 is allyl, R4=R5=H is prepared by interaction of ergoline amide having formula II 
with 1-4 equivalents of isocyanate having formula III 
. In formulae II and III R1,R2,R3,R4 and R5 are as mentioned above; interaction is carried out in 1,1-dichloroethane or in toluene at 35-60 C in the presence of CuCl and in the presence of phosphorous compound chosen of PPh3,P(pClPh)3,P(pMePh)3 and MePh2P. Compounds having formula I are suitable as antiprolactinic and antiparcinsonic agents. EFFECT: improved efficiency of the method.
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