(2E)-1-pyrrol-1-yl-3-(2-thienyl)-2-propen-1-one | 736140-77-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: (2E)-1-pyrrol-1-yl-3-(2-thienyl)-2-propen-1-one
• 英文别名: (E)-1-pyrrol-1-yl-3-thiophen-2-ylprop-2-en-1-one
• CAS: 736140-77-5
• 化学式: C₁₁H₉NOS
• 分子量: 203.265
• InChiKey: DBUNXLCSPRKYMC-AATRIKPKSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  50.2
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  硝基甲烷 、 (2E)-1-pyrrol-1-yl-3-(2-thienyl)-2-propen-1-one 在 N-(2-dimethylaminocyclohexyl)-N'-phenyl-thiourea 作用下， 生成 4-nitro-1-pyrrol-1-yl-3-(thiophen-2-yl)-butan-1-one
  参考文献：
  名称：

  基于Epi- Cinchona的硫脲有机催化剂家族作为高效的不对称Michael加成促进剂：硝基链烷烃与查尔酮和α，β-不饱和N-酰基吡咯的对映选择性共轭加成

  摘要：

  A small set of easily available epi-cinchona based thiourea organocatalysts have been synthesized and tested in enantioselective Michael addition of nitroalkanes to chalcones. These bifunctional catalyst systems promoted the conjugate additions with high enantioselectivities and chemical yields. The extension of this methodology was further explored to encompass alpha,beta-unsaturated N-acylpyrroles, as a chalcone mimic. Functionally, the N-acylpyrrole moiety in the adduct acts as an ester surrogate; therefore, it can easily be transformed to various valuable and biologically relevant compounds. This approach allowed the concise stereoselective synthesis of (R)-rolipram.

  DOI：

  10.1021/jo702692a
• 作为产物：
  描述：

  2-噻吩甲醛 、 1-(1H-pyrrol-1-yl)-2-(triphenylphosphoranylidene)ethanone 以 甲苯 为溶剂， 反应 36.0h， 生成 (2Z)-1-pyrrol-1-yl-3-(2-thienyl)-2-propen-1-one 、 (2E)-1-pyrrol-1-yl-3-(2-thienyl)-2-propen-1-one
  参考文献：
  名称：

  α，β-不饱和N-酰基吡咯作为单齿和活化酯当量受体的催化不对称环氧化

  摘要：

  描述了作为单齿和活化酯当量受体的α，β-不饱和N-酰基吡咯的催化不对称环氧化。Sm（O - i -Pr）3 /（R）-H 8 -BINOL配合物促进环氧化反应，从而以高收率（最高定量）和高对映体过量（最高> 99.5％ee）提供产物。使用氢过氧化枯烯（CMHP），爆炸危险低，反应顺利进行，并在0.2-0.5 h内用5 mol％的催化剂完成反应。催化剂载量成功降低至0.02 mol％。还描述了N-酰基吡咯性质以及α，β-不饱和N-酰基吡咯的有效合成。

  DOI：

  10.1016/j.tet.2005.12.074

文献信息

• Catalytic Asymmetric 1,4-Addition Reactions Using α,β-Unsaturated <i>N</i>-Acylpyrroles as Highly Reactive Monodentate α,β-Unsaturated Ester Surrogates
  作者：Shigeki Matsunaga、Tomofumi Kinoshita、Shigemitsu Okada、Shinji Harada、Masakatsu Shibasaki

  DOI：10.1021/ja0485917

  日期：2004.6.23

  one-pot access to optically active epoxides from various aldehydes in high yield and ee (96-->99%). In a direct catalytic asymmetric Michael reaction of hydroxyketone promoted by the Et(2)Zn/linked-BINOL complex, Michael adducts were obtained in good yield (74-97%), dr (69/31-95/5), and ee (73-95%). This represents the first direct catalytic asymmetric Michael reaction of unmodified ketone to an alpha

  α，β-不饱和 N-酰基吡咯作为催化不对称环氧化和迈克尔反应中的高反应性单齿酯替代物的合成和应用进行了描述。使用叶立德 2 通过 Wittig 反应合成了具有各种官能团的 α,β-不饱和 N-酰基吡咯。 Sm(Oi-Pr)(3)/H(8)-BINOL 配合物是最有效的环氧化催化剂，可提供吡咯基环氧化物的产率高达 100%，ee>99%。催化剂负载成功降低至 0.02 mol%（底物/催化剂 = 5000）。本反应的高周转频率和高体积生产率也值得注意。此外，还开发了顺序 Wittig 烯化-催化不对称环氧化反应，以高产率和 ee (96--> 99%) 提供有效的一锅法从各种醛中获得光学活性环氧化物。在 Et(2)Zn/linked-BINOL 络合物促进的羟基酮的直接催化不对称迈克尔反应中，迈克尔加合物以良好的产率 (74-97%)、dr (69/31-95/5) 和 ee 获得(73-95%)。这代表了未修饰的酮生成
• <i>Epi</i>-Cinchona Based Thiourea Organocatalyst Family as an Efficient Asymmetric Michael Addition Promoter: Enantioselective Conjugate Addition of Nitroalkanes to Chalcones and α,β-Unsaturated <i>N</i>-Acylpyrroles
  作者：Benedek Vakulya、Szilárd Varga、Tibor Soós

  DOI：10.1021/jo702692a

  日期：2008.5.1

  A small set of easily available epi-cinchona based thiourea organocatalysts have been synthesized and tested in enantioselective Michael addition of nitroalkanes to chalcones. These bifunctional catalyst systems promoted the conjugate additions with high enantioselectivities and chemical yields. The extension of this methodology was further explored to encompass alpha,beta-unsaturated N-acylpyrroles, as a chalcone mimic. Functionally, the N-acylpyrrole moiety in the adduct acts as an ester surrogate; therefore, it can easily be transformed to various valuable and biologically relevant compounds. This approach allowed the concise stereoselective synthesis of (R)-rolipram.
• Catalytic asymmetric epoxidation of α,β-unsaturated N-acylpyrroles as monodentate and activated ester equivalent acceptors
  作者：Shigeki Matsunaga、Hongbo Qin、Mari Sugita、Shigemitsu Okada、Tomofumi Kinoshita、Noriyuki Yamagiwa、Masakatsu Shibasaki

  DOI：10.1016/j.tet.2005.12.074

  日期：2006.7

  Catalytic asymmetric epoxidation of α,β-unsaturated N-acylpyrroles as monodentate and activated ester equivalent acceptors is described. A Sm(O-i-Pr)3/(R)-H8-BINOL complex promoted the epoxidation reaction to afford products in high yield (up to quant) and high enantiomeric excess (up to >99.5% ee). Reaction proceeded smoothly using cumene hydroperoxide (CMHP) with low explosive hazard, and completed

  描述了作为单齿和活化酯当量受体的α，β-不饱和N-酰基吡咯的催化不对称环氧化。Sm（O - i -Pr）3 /（R）-H 8 -BINOL配合物促进环氧化反应，从而以高收率（最高定量）和高对映体过量（最高> 99.5％ee）提供产物。使用氢过氧化枯烯（CMHP），爆炸危险低，反应顺利进行，并在0.2-0.5 h内用5 mol％的催化剂完成反应。催化剂载量成功降低至0.02 mol％。还描述了N-酰基吡咯性质以及α，β-不饱和N-酰基吡咯的有效合成。