| abstract |
Compounds having the following formula I, (FORMULA) wherein R<u1>u represents a straight alkyl group with 2 or 3 carbon atoms, R<u2>u represents hydrogen or an alkyl group with 1 to 3 carbon atoms, R<u3>u represents an alkyl group with 1 to 3 carbon atoms, and R<u4>u represents hydrogen or a methyl residue. The invention also relates to a method of preparation of compounds having formula I. These compounds exhibit prolactine secretion inhibiting properties, dopominergic and antidepressive properties. |