FIELD: chemistry.
SUBSTANCE: present invention relates to 17-cyclopropylmethyl-3,14β-dihydroxy-4,5α-epoxy-6β-[N-methyl-trans-3-(3-furyl)acrylamido]morphinan hydrochloride having sustained quality of production and high purity. Crystalline forms of 17-cyclopropylmethyl-3,14β-dihydroxy-4,5α-epoxy-6β-[N-methyl-trans-3-(3-furyl)acrylamido]morphinan hydrochloride are proposed, including A-forms, B-forms or C-forms, and method of producing said forms.
EFFECT: obtaining compounds which have analgesic, diuretic and antipruritic effect.
10 cl, 8 dwg, 2 tbl, 8 ex
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