Boc-Leu-bAla(3S-Bn)-NH2 | 200949-29-7

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 肽模拟物
• 英文名称: Boc-Leu-bAla(3S-Bn)-NH2
• 英文别名: tert-butyl N-[(2S)-1-[[(2S)-4-amino-4-oxo-1-phenylbutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]carbamate
• CAS: 200949-29-7
• 化学式: C₂₁H₃₃N₃O₄
• 分子量: 391.511
• InChiKey: WFOXMIHCSOKJRN-IRXDYDNUSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  28
• 可旋转键数：
  11
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.57
• 拓扑面积：
  111
• 氢给体数：
  3
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  Boc-Leu-bAla(3S-Bn)-NH2 在 palladium on activated charcoal N-甲基吗啉 、 2-甲基吲哚 、 盐酸 、 氢气 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、 三氟乙酸 作用下， 以 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 6.5h， 生成 H-D-Phe-Gln-Trp-Ala-Val-Gly-His-Leu-β-homo-Phe-NH2
  参考文献：
  名称：

  Syntheses and biological activities of bombesin analogs modified in the C-terminal dipeptide part

  摘要：

  Bombesin receptor antagonists are possible therapeutic agents due to their ability to act as inhibitors of cellular proliferation. On the basis of our hypothesis on the mechanism of action of gastrin associating an activating enzyme system to the receptor and on the results reported in the litterature, we have synthesized bombesin analogues which have been modified in the C-terminal Leu(13)-Leu(14) amide part. We have shown that modification in the C-terminal part of the bombesin strongly affected the biological activity in rat pancreatic acini. The most potent compound which is described here, H-D-Phe- Gln-Trp-Ala-Val-Gly-His-Leu-psi(CH2)Leu-NH2, was able to recognize the bombesin receptor on rat pancreatic acini (Ki 4.3 nM) and antagonized the bombesin stimulated amylase secretion (Ki 7.7 nM).

  DOI：

  10.1016/s0223-5234(99)80063-4
• 作为产物：
  描述：

  BOC-L-亮氨酸 、 (3S)-3-amino-4-phenylbutanamide 在 N-甲基吗啉 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、 三氟乙酸 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 1.0h， 以95%的产率得到Boc-Leu-bAla(3S-Bn)-NH2
  参考文献：
  名称：

  Syntheses and biological activities of bombesin analogs modified in the C-terminal dipeptide part

  摘要：

  Bombesin receptor antagonists are possible therapeutic agents due to their ability to act as inhibitors of cellular proliferation. On the basis of our hypothesis on the mechanism of action of gastrin associating an activating enzyme system to the receptor and on the results reported in the litterature, we have synthesized bombesin analogues which have been modified in the C-terminal Leu(13)-Leu(14) amide part. We have shown that modification in the C-terminal part of the bombesin strongly affected the biological activity in rat pancreatic acini. The most potent compound which is described here, H-D-Phe- Gln-Trp-Ala-Val-Gly-His-Leu-psi(CH2)Leu-NH2, was able to recognize the bombesin receptor on rat pancreatic acini (Ki 4.3 nM) and antagonized the bombesin stimulated amylase secretion (Ki 7.7 nM).

  DOI：

  10.1016/s0223-5234(99)80063-4