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NONAPEPTIDE AND DECAPEPTIDE AGONISTS OF LUTEINIZING HORMONE RELEASING HORMONE CONTAINING HETEROCYCLIC AMINO ACID RESIDUES
NONAPEPTIDE AND DECAPEPTIDE AGONISTS OF LUTEINIZING HORMONE RELEASING HORMONE CONTAINING HETEROCYCLIC AMINO ACID RESIDUES
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机译:光化含激素的杂多酸残基的激素释放激素的肽和十肽激动剂
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摘要
Nonapeptide and decapeptide analogs of LH-RH of the formula IMAGE (I) and the pharmaceutically acceptable salts thereof wherein: V is tryptophyl, phenylalanyl or 3-(1-naphthyl)-L-alanyl; W is tyrosyl, phenylalanyl or 3-(1-pentafluorophenyl)-L-alanyl; X is a D-amino acid residue of the formula: IMAGE wherein R is a heterocyclic aryl containing radical selected from the group consisting of radicals represented by the following structural formulas: IMAGE IMAGE +TR IMAGE wherein A and A' are independently selected from the group consisting of hydrogen, lower alkyl, chlorine, and bromine, and G is selected from the group consisting of oxygen, nitrogen, and sulfur; Y is leucyl, isoleucyl, nor-leucyl or N-methyl-leucyl; Z is glycinamide or -NH-R1, wherein: R1 is lower alkyl, cycloalkyl, fluoro lower alkyl or IMAGE wherein R2 is hydrogen or lower alkyl, are disclosed. These compounds exhibit potent LH-RH agonist properties.
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