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4,5-duhydro-1H-pyrrole-1,5- dicarboxylic acid, 1- (1,1-dimethylethyl) dicyclohexylamine salt | 709031-41-4

中文名称
——
中文别名
——
英文名称
4,5-duhydro-1H-pyrrole-1,5- dicarboxylic acid, 1- (1,1-dimethylethyl) dicyclohexylamine salt
英文别名
4,5-duhydro-1H-pyrrole-1,5-dicarboxylic acid, 1-(1,1-dimethylethyl) dicyclohexylamine salt
4,5-duhydro-1H-pyrrole-1,5- dicarboxylic acid, 1- (1,1-dimethylethyl) dicyclohexylamine salt化学式
CAS
709031-41-4
化学式
C10H15NO4*C12H23N
mdl
——
分子量
394.555
InChiKey
PUIHDZXNHAMSCV-ZLTKDMPESA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    4.84
  • 重原子数:
    28.0
  • 可旋转键数:
    3.0
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.82
  • 拓扑面积:
    78.87
  • 氢给体数:
    2.0
  • 氢受体数:
    4.0

反应信息

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文献信息

  • The Effect of Additives on the Zinc Carbenoid-Mediated Cyclopropanation of a Dihydropyrrole
    作者:Antonio Ramirez、Vu Chi Truc、Michael Lawler、Yun K. Ye、Jianji Wang、Chenchi Wang、Steven Chen、Thomas Laporte、Nian Liu、Sergei Kolotuchin、Scott Jones、Shailendra Bordawekar、Srinivas Tummala、Robert E. Waltermire、David Kronenthal
    DOI:10.1021/jo500966m
    日期:2014.7.3
    The synthesis of a key intermediate in the preparation of oral antidiabetic drug Saxagliptin is discussed with an emphasis on the challenges posed by the cyclopropanation of a dihydropyrrole. Kinetic studies on the cyclopropanation show an induction period that is consistent with a change in the structure of the carbenoid reagent during the course of the reaction. This mechanistic transition is associated with an underlying Schlenk equilibrium that favors the formation of monoalkylzinc carbenoid IZnCH2I relative to dialkylzinc carbenoid Zn(CH2I)(2), which is responsible for the initiation of the cydopropanation. The factors influencing reaction rates and diastereoselectivities are discussed with the aid of DFT computational studies. The rate accelerations observed in the presence of Bronsted acid-type additives correlate with the minimization of the undesired induction period and offer insights for the development of a robust process.
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