methyl 2-(2-chloro-6-phenylfuro[3,2-b]pyrazine-7-carboxamido)propanoate | 1369514-35-1

• 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: methyl 2-(2-chloro-6-phenylfuro[3,2-b]pyrazine-7-carboxamido)propanoate
• CAS: 1369514-35-1
• 化学式: C₁₇H₁₄ClN₃O₄
• 分子量: 359.769
• InChiKey: IIRQGYFQXCBWGQ-VIFPVBQESA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.83
• 重原子数：
  25.0
• 可旋转键数：
  4.0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.18
• 拓扑面积：
  94.32
• 氢给体数：
  1.0
• 氢受体数：
  6.0

反应信息

• 作为反应物：
  描述：

  乙酰胺 、 methyl 2-(2-chloro-6-phenylfuro[3,2-b]pyrazine-7-carboxamido)propanoate 在 palladium diacetate 、 caesium carbonate 、 4,5-双二苯基膦-9,9-二甲基氧杂蒽 作用下， 以 四氢呋喃 为溶剂， 反应 0.67h， 以73%的产率得到methyl 2-(2-acetamido-6-phenylfuro[3,2-b]pyrazine-7-carboxamido)propanoate
  参考文献：
  名称：

  Synthesis of functionalized furopyrazines as restricted dipeptidomimetics

  摘要：

  Herein, an efficient synthetic approach to a furopyrazine scaffold with four points of diversity, starting from 2(1H)-pyrazinones, with dipeptomimetic properties, is presented. R-groups corresponding to amino acid side chains were introduced during the 2(1H)-pyrazinone and subsequent furopyrazine formation. The furopyrazine scaffold was further functionalized with an amino- and a carboxy-terminus resulting in a conformationally restricted dipeptidomimetic scaffold. The carboxy-terminus was introduced via a chemoselective vinylation of the 7-position followed by oxidative cleavage, while the amino-terminus was obtained via Buchwald-Hartwig amidation of the 2-position of the scaffold. The versatility of the synthetic method was demonstrated by the synthesis of a small library of diversely substituted furopyrazines having various amino acid side chains on the four points of diversity. Evaluation with an X-ray structure of the scaffold and computational analysis supports the exploitation of the furopyrazine scaffold as a restricted dipeptide mimic, which can mimic the two central residues of a beta-turn. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2012.02.022
• 作为产物：
  描述：

  2-chloro-6-phenylfuro[3,2-b]pyrazine-7-carbaldehyde 在 sodium chlorite 、 N-羟基-7-氮杂苯并三氮唑 、 sodium dihydrogenphosphate dihydrate 、 2-甲基-2-丁烯 、 水 、 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、 三乙胺 作用下， 以 二氯甲烷 、 叔丁醇 为溶剂， 反应 1.42h， 生成 methyl 2-(2-chloro-6-phenylfuro[3,2-b]pyrazine-7-carboxamido)propanoate
  参考文献：
  名称：

  Synthesis of functionalized furopyrazines as restricted dipeptidomimetics

  摘要：

  Herein, an efficient synthetic approach to a furopyrazine scaffold with four points of diversity, starting from 2(1H)-pyrazinones, with dipeptomimetic properties, is presented. R-groups corresponding to amino acid side chains were introduced during the 2(1H)-pyrazinone and subsequent furopyrazine formation. The furopyrazine scaffold was further functionalized with an amino- and a carboxy-terminus resulting in a conformationally restricted dipeptidomimetic scaffold. The carboxy-terminus was introduced via a chemoselective vinylation of the 7-position followed by oxidative cleavage, while the amino-terminus was obtained via Buchwald-Hartwig amidation of the 2-position of the scaffold. The versatility of the synthetic method was demonstrated by the synthesis of a small library of diversely substituted furopyrazines having various amino acid side chains on the four points of diversity. Evaluation with an X-ray structure of the scaffold and computational analysis supports the exploitation of the furopyrazine scaffold as a restricted dipeptide mimic, which can mimic the two central residues of a beta-turn. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2012.02.022