N-(trans-2',3',4',5',6'-pentafluorocinnamoyl)oxazolidin-2-one | 259754-43-3

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 英文名称: N-(trans-2',3',4',5',6'-pentafluorocinnamoyl)oxazolidin-2-one
• 英文别名: 3-[(E)-3-(2,3,4,5,6-pentafluorophenyl)prop-2-enoyl]-1,3-oxazolidin-2-one
• CAS: 259754-43-3
• 化学式: C₁₂H₆F₅NO₃
• 分子量: 307.177
• InChiKey: CVEZEYMPZOAXMA-OWOJBTEDSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  21
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.17
• 拓扑面积：
  46.6
• 氢给体数：
  0
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  nickelous 2-[(E)-[[2-[(2S)-1-benzylpyrrolidine-2-carbonyl]azanidylphenyl]-phenylmethylene]amino]acetate 、 N-(trans-2',3',4',5',6'-pentafluorocinnamoyl)oxazolidin-2-one 在 1,8-二氮杂双环[5.4.0]十一碳-7-烯 、 盐酸 作用下， 以 N,N-二甲基甲酰胺 、 甲醇 为溶剂， 生成 (2R,3S)-5-Oxo-3-pentafluorophenyl-pyrrolidine-2-carboxylic acid
  参考文献：
  名称：

  Asymmetric Michael addition reactions of chiral Ni(II)-complex of glycine with (N-trans-enoyl)oxazolidines: improved reactivity and stereochemical outcome

  摘要：

  Application of the (N-trans-enoyl)oxazolidines as Michael acceptors in the kinetically controlled additions with a Ni(II)-complex of the chiral Schiff base of glycine with (S)-o-[N-(N-benzylprolyl)amino]benzophenone 1 was shown to be synthetically advantageous over the alkyl enoylates, allowing for remarkable improvement in reactivity and, in most cases, diastereoselectivity of the reactions. While the stereochemical outcome of the Michael additions of the aliphatic (N-trans-enoyl)oxazolidines with complex 1 depended on the steric bulk of the alkyl group on the starting oxazolidines, the diastereoselectivity of the aromatic (N-trans-enoyl)oxazolidines reactions was found to be controlled by the electronic properties of the aryl ring. In particular, the additions of complex 1 with (N-cinnamoyl)oxazolidines, bearing electron-withdrawing substituents on the phenyl ring, afforded the (2S,3R)configured products with synthetically useful selectivity and in quantitative chemical yield, thus allowing an efficient access to sterically constrained beta-substituted pyroglutamic acids and related compounds. (C) 1999 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0957-4166(99)00483-8
• 作为产物：
  描述：

  2,3,4,5,6-pentafluorocinnamic acid 在 正丁基锂 、 氯化亚砜 作用下， 以 四氢呋喃 、 二氯甲烷 为溶剂， 反应 2.0h， 生成 N-(trans-2',3',4',5',6'-pentafluorocinnamoyl)oxazolidin-2-one
  参考文献：
  名称：

  高非对映选择性，有机碱催化的室温迈克尔加成反应的合理设计。

  摘要：

  通过合理设计单首选过渡态，并通过电子供体-受体型吸引相互作用使其稳定，已确定了相应起始化合物的结构和几何要求。甘氨酸的席夫碱与邻-​​[N-α-吡啶甲基氨基]苯乙酮（作为亲核甘氨酸等效物）和N-（反式-烯酰基）恶唑烷-2-酮（作为α的衍生物）的Ni（II）配合物，发现β-不饱和羧酸是具有几何/构象均质性和高反应性的选择底物。发现相应的迈克尔加成反应在室温下在催化量的DBU存在下进行，以定量提供具有几乎完全非对映选择性的加成产物。

  DOI：

  10.1021/jo0008791

文献信息

• Michael Addition Reactions between Chiral Ni(II) Complex of Glycine and 3-(<i>trans</i>-Enoyl)oxazolidin-2-ones. A Case of Electron Donor−Acceptor Attractive Interaction-Controlled Face Diastereoselectivity¹
  作者：Chaozhong Cai、Vadim A. Soloshonok、Victor J. Hruby

  DOI：10.1021/jo0014865

  日期：2001.2.1

  noyl)oxazolidin-2-ones was found to depend exclusively on the steric bulk of the alkyl group on the starting Michael acceptor. In contrast, the face diastereoselectivity in the reactions of aromatic oxazolidin-2-ones with the Ni(II) complex of glycine was shown to be controlled predominantly by the electronic properties of the aryl ring. In particular, the additions of the Ni(II) complex of glycine

  这项研究表明，具有高亲电性和构象均一性的，容易获得且便宜的3-（反式3'-烷基/芳基丙烯酰基）恶唑烷-2-酮是合成的迈克尔受体，优于常规使用的烷基烯醇酸酯，因此与甘氨酸的手性席夫碱的Ni（II）配合物与（S）-o- [N-（N-（苄基脯氨酰基）氨基]二苯甲酮的加成反应的反应活性和大多数情况下的非对映选择性显着提高。系统地研究了甘氨酸的Ni（II）配合物和恶唑烷-2-酮之间相应的迈克尔加成反应中的动力学控制的非对映选择性，它是取代基对起始迈克尔受体的空间，电子和位置效应的函数。在脂族和芳族系列中，发现简单的非对映选择性实际上都是完整的，从而通过相应的TS生成了具有类似进场几何形状的产物。发现甘氨酸的Ni（II）配合物与3-（反式3'-烷基丙烯酰基）恶唑烷丁-2-酮之间的反应的表面非对映选择性仅取决于起始迈克尔受体上烷基的空间体积。相反，芳族恶唑烷-2-酮与甘氨酸的Ni（II）配合物的反应中的
• Rational Design of Highly Diastereoselective, Organic Base-Catalyzed, Room-Temperature Michael Addition Reactions¹
  作者：Vadim A. Soloshonok、Chaozhong Cai、Victor J. Hruby、Luc Van Meervelt、Takashi Yamazaki

  DOI：10.1021/jo0008791

  日期：2000.10.1

  homogeneity and high reactivity. The corresponding Michael addition reactions were found to proceed at room temperature in the presence of catalytic amounts of DBU to afford quantitatively the addition products with virtually complete diastereoselectivity. Acidic decomposition of the products followed by treatment of the reaction mixture with NH4OH gave rise to the diastereomerically pure 3-substituted

  通过合理设计单首选过渡态，并通过电子供体-受体型吸引相互作用使其稳定，已确定了相应起始化合物的结构和几何要求。甘氨酸的席夫碱与邻-​​[N-α-吡啶甲基氨基]苯乙酮（作为亲核甘氨酸等效物）和N-（反式-烯酰基）恶唑烷-2-酮（作为α的衍生物）的Ni（II）配合物，发现β-不饱和羧酸是具有几何/构象均质性和高反应性的选择底物。发现相应的迈克尔加成反应在室温下在催化量的DBU存在下进行，以定量提供具有几乎完全非对映选择性的加成产物。
• Asymmetric Michael addition reactions of chiral Ni(II)-complex of glycine with (N-trans-enoyl)oxazolidines: improved reactivity and stereochemical outcome
  作者：Vadim A Soloshonok、Chaozhong Cai、Victor J Hruby

  DOI：10.1016/s0957-4166(99)00483-8

  日期：1999.11

  Application of the (N-trans-enoyl)oxazolidines as Michael acceptors in the kinetically controlled additions with a Ni(II)-complex of the chiral Schiff base of glycine with (S)-o-[N-(N-benzylprolyl)amino]benzophenone 1 was shown to be synthetically advantageous over the alkyl enoylates, allowing for remarkable improvement in reactivity and, in most cases, diastereoselectivity of the reactions. While the stereochemical outcome of the Michael additions of the aliphatic (N-trans-enoyl)oxazolidines with complex 1 depended on the steric bulk of the alkyl group on the starting oxazolidines, the diastereoselectivity of the aromatic (N-trans-enoyl)oxazolidines reactions was found to be controlled by the electronic properties of the aryl ring. In particular, the additions of complex 1 with (N-cinnamoyl)oxazolidines, bearing electron-withdrawing substituents on the phenyl ring, afforded the (2S,3R)configured products with synthetically useful selectivity and in quantitative chemical yield, thus allowing an efficient access to sterically constrained beta-substituted pyroglutamic acids and related compounds. (C) 1999 Elsevier Science Ltd. All rights reserved.