(2S,3S)-3-[(S)-3-Methyl-1-(3-methyl-butylcarbamoyl)-butylcarbamoyl]-oxirane-2-carboxylic acid 2,2,2-trifluoro-ethyl ester | 140660-50-0

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: (2S,3S)-3-[(S)-3-Methyl-1-(3-methyl-butylcarbamoyl)-butylcarbamoyl]-oxirane-2-carboxylic acid 2,2,2-trifluoro-ethyl ester
• 英文别名: 2,2,2-trifluoroethyl (2S,3S)-3-[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylate
• CAS: 140660-50-0
• 化学式: C₁₇H₂₇F₃N₂O₅
• 分子量: 396.407
• InChiKey: KBBSLXISIBNFJX-AVGNSLFASA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  27
• 可旋转键数：
  11
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.82
• 拓扑面积：
  97
• 氢给体数：
  2
• 氢受体数：
  8

反应信息

• 作为产物：
  描述：

  阿洛司他丁 在 4-二甲氨基吡啶 、 氢氧化钾 、 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下， 以 乙醇 、 二氯甲烷 为溶剂， 反应 8.0h， 生成 (2S,3S)-3-[(S)-3-Methyl-1-(3-methyl-butylcarbamoyl)-butylcarbamoyl]-oxirane-2-carboxylic acid 2,2,2-trifluoro-ethyl ester
  参考文献：
  名称：

  Ester and amide derivatives of E64c as inhibitors of platelet calpains

  摘要：

  Ester and amide derivatives of E64c, (+)-(2S,3S)-3-[[(S)-3-methyl-1-[(3-methylbutyl)carbamoyl]butyl]carbamoyl]-2-oxiranecarboxylic acid, an inhibitor of calpains, were synthesized and tested for ability to inhibit calpain in lysed cells, ability to enter intact cells, and ability to inhibit calpain in intact cells. The esters were from halogen-substituted alcohols and alcohols with increasing size. There were no appreciable differences in the inhibitory potency of any of the halogen-substituted esters from ethyl to trifluoroethyl, indicating that ease of hydrolysis of this class of ester is not important for activity. The only ester with impaired activity was the largest, Z-leucyl-norleucyl, which was about 5% as effective as the ethyl ester, E64d. Amides of amino acid esters also had impaired activity. To explore the possibility of targeting E64c derivatives to specific cells, esters and amides of E64c with 5-hydroxytryptamine were tested on the rationale that the active 5-hydroxytryptamine uptake mechanism of platelets might selectively concentrate the drug in platelets. Both the ester and amide inhibited calpain in lysed cells, but only the ester inhibited in intact cells. The 5-hydroxytryptamine ester showed no advantage over the ethyl ester in entering platelets.

  DOI：

  10.1021/jm00089a015

文献信息

• Ester and amide derivatives of E64c as inhibitors of platelet calpains
  作者：Zhenya Huang、Eleanor B. McGowan、Thomas C. Detwiler

  DOI：10.1021/jm00089a015

  日期：1992.5

  Ester and amide derivatives of E64c, (+)-(2S,3S)-3-[[(S)-3-methyl-1-[(3-methylbutyl)carbamoyl]butyl]carbamoyl]-2-oxiranecarboxylic acid, an inhibitor of calpains, were synthesized and tested for ability to inhibit calpain in lysed cells, ability to enter intact cells, and ability to inhibit calpain in intact cells. The esters were from halogen-substituted alcohols and alcohols with increasing size. There were no appreciable differences in the inhibitory potency of any of the halogen-substituted esters from ethyl to trifluoroethyl, indicating that ease of hydrolysis of this class of ester is not important for activity. The only ester with impaired activity was the largest, Z-leucyl-norleucyl, which was about 5% as effective as the ethyl ester, E64d. Amides of amino acid esters also had impaired activity. To explore the possibility of targeting E64c derivatives to specific cells, esters and amides of E64c with 5-hydroxytryptamine were tested on the rationale that the active 5-hydroxytryptamine uptake mechanism of platelets might selectively concentrate the drug in platelets. Both the ester and amide inhibited calpain in lysed cells, but only the ester inhibited in intact cells. The 5-hydroxytryptamine ester showed no advantage over the ethyl ester in entering platelets.