FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention relates to new compounds of the general formula (I):
wherein R1 is taken among phenyl or pyridinyl and wherein each phenyl ring R1 or pyridinyl ring R1 can be substituted additionally and independently with chlorine, fluorine, bromine and iodine atom at any position of indicated ring, and also to their pharmaceutically acceptable salts. Also, invention relates to pharmaceutical composition based on these compounds eliciting δ-agonistic activity and to a method for pain treatment. Invention provides preparing new compounds of the formula (I) used in applying for pain treatment and for manufacturing drugs for this purpose.
EFFECT: valuable medicinal properties of new compounds.
8 cl, 3 tbl, 4 ex
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