申请人:FARMITALIA CARLO ERBA S.r.l.
公开号:EP0402852A1
公开(公告)日:1990-12-19
A peptide of the formula I:
R-A-B-C-Trp-Ala-Val-X-Y-T-W I
wherein R is a group of the formula 4-(ClCH₂CH₂)₂N-C₆H₄-CO-, 3-(ClCH₂CH₂)₂N-C₆H₄-CO-, ClCH₂CH₂NHCO-, ClCH=CH-CO-, BrCH=CH-CO-, CH₂=CClCO-, CH₂=CBrCO- (cis/trans isomers),
CH=C-CO-, ClCH₂CH₂CH₂N(NO)CO-, or ClCH₂CO-CH(R₁)NHCO(CH₂)₂CO-;
A = valence bond, or Gly, Leu-Gly, Arg-Leu-Gly, Gln-Arg-Leu-Gly;
B = valence bond or Asn or Thr; C = Gln or His;
X = Gly or ala; Y = valence bond or His(R₂), his(R₂), Phe, phe, Ser, ser, Ala or ala; T = valence bond or Leu, leu, Phe or phe;
W is a group of the formula OH, NH₂, NH(CH₂)₄CH₃, H(CH₂)₂C₆H₅, Met-R₃, Leu-R₃, Ile-R₃, or Nle-R₃; R₁ = H, linear or branched alyphatic chain having for 1 to 11 carbon atoms, benzyl or phenyl group; R₂ = H or Tos, Dnp or Bzl and R₃ = NH₂, OH, OCH₃ or NHNH₂ and pharmaceutically acceptable salts are bombesin antagonists. Their preparation and pharmaceutical compositions containing them are also described.
式 I 的多肽:
R-A-B-C-Trp-Ala-Val-X-Y-T-W I
其中 R 是式 4-(ClCH₂CH₂)₂N-C₆H₄-CO-, 3-(ClCH₂CH₂)₂N-C₄-CO-, ClCH₂CH₂NHCO-, ClCH=CH-CO-, BrCH=CH-CO-, CH₂=CClCO-, CH₂=CBrCO- (cis/trans isomers)、
CH=C-CO-,ClCH₂CH₂CH₂N(NO)CO-,或 ClCH₂CO-CH(R₁)NHCO(CH₂)₂CO-;
A = 价键,或 Gly、Leu-Gly、Arg-Leu-Gly、Gln-Arg-Leu-Gly;
B = 价键或 Asn 或 Thr;C = Gln 或 His;
X = Gly 或 ala;Y = 价键或 His(R₂)、his(R₂)、Phe、phe、Ser、ser、Ala 或 ala;T = 价键或 Leu、leu、Phe 或 phe;
W 是式中的基团 OH、NH₂、NH(CH₂)₄CH₃、H(CH₂)₂C₆H₅、Met-R₃、Leu-R₃、Ile-R₃ 或 Nle-R₃;R₁ = H、具有 1 至 11 个碳原子的直链或支链芳香族链、苄基或苯基;R₂ = H 或 Tos、Dnp 或 Bzl 和 R₃ = NH₂、OH、OCH₃ 或 NHNH₂,以及药学上可接受的盐类,都是轰蛋素拮抗剂。本文还描述了它们的制备方法和含有它们的药物组合物。