5-(2-methyl-2-propenyl)-2-pyrrolidinone | 130407-22-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯烷类
• 英文名称: 5-(2-methyl-2-propenyl)-2-pyrrolidinone
• 英文别名: 5-(2-methyl-2-propenyl)pyrrolidin-2-one；5-(2-Methylprop-2-enyl)pyrrolidin-2-one
• CAS: 130407-22-6
• 化学式: C₈H₁₃NO
• mdl: MFCD19219992
• 分子量: 139.197
• InChiKey: PNLVKKOCLRCPQK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  10
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.625
• 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：

  5-(2-methyl-2-propenyl)-2-pyrrolidinone 在 吡啶 、 4-二甲氨基吡啶 作用下， 以 苯 为溶剂， 反应 21.0h， 生成 α-acetoxy-2-(2-methyl-2-propenyl)-5-oxo-1-pyrrolidineacetic acid methyl ester
  参考文献：
  名称：

  Tin tetrachloride-induced π-cyclizations of glycine cation equivalents to substituted pipecolic acid derivatives

  摘要：

  Cationic pi-cyclization reactions of N-(3-alkenyl)-N-(methoxycarbonyl)acetoxyglycine esters induced by tin tetrachloride in dichloromethane are described. Reactions started and quenched with water at -78-degrees-C mainly yield cis-4-hydroxypipecolic esters, whereas reactions quenched after warm-up to room temperature provide trans-4-chloropipecolic esters as major products. A mechanistic scheme is advanced which adequately explains these results. The essentials are a rapid cationic aza-Cope equilibrium of the incipient iminium cation, and participation of the ester moiety through formation of a relatively stable bicyclic dioxycarbenium cation as pivotal intermediate.

  DOI：

  10.1016/s0040-4020(01)86443-7
• 作为产物：
  描述：

  5-乙氧基-2-吡咯烷酮 、 异丁烯基三甲基硅烷 在 三氟化硼乙醚 作用下， 以 二氯甲烷 为溶剂， 以93%的产率得到5-(2-methyl-2-propenyl)-2-pyrrolidinone
  参考文献：
  名称：

  Tin tetrachloride-induced π-cyclizations of glycine cation equivalents to substituted pipecolic acid derivatives

  摘要：

  Cationic pi-cyclization reactions of N-(3-alkenyl)-N-(methoxycarbonyl)acetoxyglycine esters induced by tin tetrachloride in dichloromethane are described. Reactions started and quenched with water at -78-degrees-C mainly yield cis-4-hydroxypipecolic esters, whereas reactions quenched after warm-up to room temperature provide trans-4-chloropipecolic esters as major products. A mechanistic scheme is advanced which adequately explains these results. The essentials are a rapid cationic aza-Cope equilibrium of the incipient iminium cation, and participation of the ester moiety through formation of a relatively stable bicyclic dioxycarbenium cation as pivotal intermediate.

  DOI：

  10.1016/s0040-4020(01)86443-7

文献信息

• Amide-directed hydrocarbonylation of N-alkenylamides and α-alkenyllactams
  作者：Iwao Ojima、Zhaoda Zhang

  DOI：10.1016/0022-328x(91)80177-l

  日期：1991.10

  N-benzoyl-2-hydroxy-4-methylpyrrolidine, the key intermediate for the double carbonylation and the reductive annulation, is obtained selectivity in a Rh4(CO)12-catalyzed reaction of N-methallylamide. The hydrocarbonylations of this cyclic hemiamidal catalyzed by RhCl(PPh3)3, Co2Rh2(CO)12, and Co2(CO)8 give the corresponding double carbonylation product (2-formylpyrrolidine), reductive annulation product (pyrrolidine)

  N-烯丙基酰胺的酰胺导向的Rh催化的加氢甲酰化和Pd催化的加氢酯化分别得到具有良好区域选择性的异醛和酯。N-甲基烯丙基酰胺的Rh-和Co 2 Rh 2（CO）12催化反应分别通过新颖的双羰基化反应生成1-酰基-2-甲酰基吡咯烷，并通过还原环化分别生成1-酰基吡咯烷，选择性极好。在Rh 4（CO）12催化的N反应中，具有选择性的环状半缩醛N-苯甲酰基-2-羟基-4-甲基吡咯烷酮是双羰基化和还原性环化反应的关键中间体-甲基烯丙基酰胺。RhRh（PPh 3）3，Co 2 Rh 2（CO）12和Co 2（CO）8催化的环状环乙酰胺的羰基化反应产生相应的双羰基化产物（2-甲酰基吡咯烷），还原环化产物（吡咯烷），和酰胺羰基化产物（脯氨酸）的收率和选择性极好。在氘标记实验的基础上研究了新型双羰基化和还原性环化反应的机理，发现这些反应是通过烯酰胺中间体进行的，然后向烯酰胺中添加极富区域选择性的金属氢化物。
• [EN] NOVEL FUNCTIONALIZED LACTAMS AS MODULATORS OF THE 5-HYDROXYTRYPTAMINE RECEPTOR 7 AND THEIR METHOD OF USE<br/>[FR] NOUVEAUX LACTAMES FONCTIONNALISÉS COMME MODULATEURS DU RÉCEPTEUR 7 DE LA 5-HYDROXYTRYPTAMINE, ET PROCÉDÉ POUR LEUR UTILISATION
  申请人：UNIV TEMPLE

  公开号：WO2021097116A1

  公开（公告）日：2021-05-20

  Described herein are new, selective modulators of the 5 -HT7 receptor. These selective compounds can be useful for the treatment of CNS and non-CNS indications. Compounds described herein can be selective in targeting 5-HT7 receptors as compared to other receptors and/or by selective targeting 5-HT7 receptors expressed in certain tissues or organs, thereby effective selectivity through a particular partitioning profile of the 5- HT7 modulator.

  本文描述了5-HT7受体的新型选择性调节剂。这些选择性化合物可以用于治疗中枢神经系统和非中枢神经系统的适应症。本文描述的化合物可以在靶向5-HT7受体方面具有选择性，相对于其他受体或通过选择性靶向在某些组织或器官中表达的5-HT7受体而言，从而通过5-HT7调节剂的特定分区配置实现有效选择性。
• OJIMA, IWAO;ZHANG, ZHAODA, ORGANOMETALLICS, 9,(1990) N2, C. 3122-3127
  作者：OJIMA, IWAO、ZHANG, ZHAODA

  DOI：——

  日期：——
• Tin tetrachloride-induced π-cyclizations of glycine cation equivalents to substituted pipecolic acid derivatives
  作者：Peter M Esch、Ilona M Boska、Henk Hiemstra、Richard F de Boer、W.Nico Speckamp

  DOI：10.1016/s0040-4020(01)86443-7

  日期：1991.1

  Cationic pi-cyclization reactions of N-(3-alkenyl)-N-(methoxycarbonyl)acetoxyglycine esters induced by tin tetrachloride in dichloromethane are described. Reactions started and quenched with water at -78-degrees-C mainly yield cis-4-hydroxypipecolic esters, whereas reactions quenched after warm-up to room temperature provide trans-4-chloropipecolic esters as major products. A mechanistic scheme is advanced which adequately explains these results. The essentials are a rapid cationic aza-Cope equilibrium of the incipient iminium cation, and participation of the ester moiety through formation of a relatively stable bicyclic dioxycarbenium cation as pivotal intermediate.