2-Bromo-N-(1,2-diphenyl-ethyl)-acetamide | 1027949-13-8

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 英文名称: 2-Bromo-N-(1,2-diphenyl-ethyl)-acetamide
• 英文别名: 2-bromo-N-(1,2-diphenylethyl)acetamide
• CAS: 1027949-13-8
• 化学式: C₁₆H₁₆BrNO
• 分子量: 318.213
• InChiKey: UKEQQQCIFFEFRY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  19
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.19
• 拓扑面积：
  29.1
• 氢给体数：
  1
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  2-Bromo-N-(1,2-diphenyl-ethyl)-acetamide 在 sodium hydroxide 、 N,N-二异丙基乙胺 作用下， 以 乙醇 、 乙腈 为溶剂， 生成 trans,trans-2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)-1-[(1,2-diphenylethyl)aminocarbonylmethyl]pyrrolidine-3-carboxylic acid
  参考文献：
  名称：

  Design, Synthesis, and Activity of a Series of Pyrrolidine-3-carboxylic Acid-Based, Highly Specific, Orally Active ET_B Antagonists Containing a Diphenylmethylamine Acetamide Side Chain

  摘要：

  The endothelin (ET)-B receptor subtype is expressed on vascular endothelial and smooth muscle cells and mediates both vasodilation and vasoconstriction. On the basis of the pharmacophore of the previously reported ETA-specific antagonist 1, (ABT-627), we are reporting the discovery of a novel series of highly specific, orally active ETB receptor antagonists. Replacing the dibutylaminoacetamide group of 1 with a diphenylmethylaminoacetamide group resulted in antagonist 2 with a complete reversal of receptor specificity. Structure-activity relationship studies revealed that ortho-alkylation of the phenyl rings could further increase ETB affinity and also boost the ETA/ETB activity ratio of the resulting antagonists. A similar antagonism selectivity profile could also be achieved when one of the phenyl rings of the acetamide side chain was replaced with an alkyl group, preferably a tert-butyl group,(10h). Combining these features with modification of the a-aryl group of the pyrrolidine core, we have identified a potent antagonist (9k, A-308165) with over 27 000-fold selectivity favoring the ETB receptor and an acceptable pharmacokinetic profile (F = 24%) in rats.

  DOI：

  10.1021/jm990171i
• 作为产物：
  描述：

  溴乙酰氯 、 1,2-二苯基乙胺 在 三乙胺 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 1.0h， 生成 2-Bromo-N-(1,2-diphenyl-ethyl)-acetamide
  参考文献：
  名称：

  通过点击化学抑制人 α-1,3-岩藻糖基转移酶的强效和高选择性抑制剂

  摘要：

  由于围绕糖基转移反应家族的固有障碍，岩藻糖基转移酶和糖基转移酶的强效抑制剂一直难以捉摸。底物亲和力弱和岩藻糖基转移酶催化效率低的问题通过招募额外的结合特征（在这种情况下为疏水相互作用）来产生高亲和力抑制剂 24，Ki = 62 nM 得到了抵消。该分子是从包含 85 种化合物的 GDP-三唑文库中鉴定出来的，这些化合物是通过 Cu(I) 催化的叠氮化物和乙炔反应物之间的 [2 + 3] 环加成反应产生的，然后在没有产物分离的情况下进行原位筛选。

  DOI：

  10.1021/ja0302836

文献信息

• A Potent and Highly Selective Inhibitor of Human α-1,3-Fucosyltransferase via Click Chemistry
  作者：Lac V. Lee、Michael L. Mitchell、Shih-Jung Huang、Valery V. Fokin、K. Barry Sharpless、Chi-Huey Wong

  DOI：10.1021/ja0302836

  日期：2003.8.1

  Potent inhibitors of fucosyltransferases, and glycosyltransferases in general, have been elusive due to the inherent barriers surrounding the family of glycosyltransfer reactions. The problems of weak substrate affinity and low catalytic proficiency of fucosyltransferase was offset by recruiting additional binding features, in this case hydrophobic interactions, to produce a high affinity inhibitor

  由于围绕糖基转移反应家族的固有障碍，岩藻糖基转移酶和糖基转移酶的强效抑制剂一直难以捉摸。底物亲和力弱和岩藻糖基转移酶催化效率低的问题通过招募额外的结合特征（在这种情况下为疏水相互作用）来产生高亲和力抑制剂 24，Ki = 62 nM 得到了抵消。该分子是从包含 85 种化合物的 GDP-三唑文库中鉴定出来的，这些化合物是通过 Cu(I) 催化的叠氮化物和乙炔反应物之间的 [2 + 3] 环加成反应产生的，然后在没有产物分离的情况下进行原位筛选。
• Design, Synthesis, and Activity of a Series of Pyrrolidine-3-carboxylic Acid-Based, Highly Specific, Orally Active ET_B Antagonists Containing a Diphenylmethylamine Acetamide Side Chain
  作者：Gang Liu、Natasha S. Kozmina、Martin Winn、Thomas W. von Geldern、William J. Chiou、Douglas B. Dixon、Bach Nguyen、Kennan C. Marsh、Terry J. Opgenorth

  DOI：10.1021/jm990171i

  日期：1999.9.1

  The endothelin (ET)-B receptor subtype is expressed on vascular endothelial and smooth muscle cells and mediates both vasodilation and vasoconstriction. On the basis of the pharmacophore of the previously reported ETA-specific antagonist 1, (ABT-627), we are reporting the discovery of a novel series of highly specific, orally active ETB receptor antagonists. Replacing the dibutylaminoacetamide group of 1 with a diphenylmethylaminoacetamide group resulted in antagonist 2 with a complete reversal of receptor specificity. Structure-activity relationship studies revealed that ortho-alkylation of the phenyl rings could further increase ETB affinity and also boost the ETA/ETB activity ratio of the resulting antagonists. A similar antagonism selectivity profile could also be achieved when one of the phenyl rings of the acetamide side chain was replaced with an alkyl group, preferably a tert-butyl group,(10h). Combining these features with modification of the a-aryl group of the pyrrolidine core, we have identified a potent antagonist (9k, A-308165) with over 27 000-fold selectivity favoring the ETB receptor and an acceptable pharmacokinetic profile (F = 24%) in rats.