THERAPEUTIC PEPTIDES OR THEIR PHARMACEUTICALLY ACCEPTABLE SALTS Russian patent published in 1997 - IPC

FIELD: chemistry of proteins, amino acids. SUBSTANCE: product: peptides of the general formula (I): R₁R12

-A^o- A¹-Trp-A⁴ - A⁵ -A⁶ - A⁷-W where: A^o - Gly, D-Ala, D-Phe, D-p-Nal or without the latter; A¹ - p-Glu, Asn, D-Ala, D-Phe, D-Leu, D-Trp, D-p-Nal or D-p-halide-Phe or without the latter; A² - p-Glu, Gln, Leu, His; A⁴ - Ala; _A5 - Val, Phe, Thr; _A6 - Sar, Gly, D-Ala; _A7 - His; W - fragment NHCHZ; R₃ - COV or NHCHZ; R₄CHZ₂COV or NR₁₂R₁₃, or their pharmaceutically acceptable salts showing bombesine activity. EFFECT: improved method of synthesis. 19 cl, 3 dwg