Novel approach to stereoselective synthesis of (E)/(Z)-(N-acyl-oxazolidinone)-eneglycinates
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  • 作者:Yanyan Zhang ; Haopeng Sun ; Qidong You
  • 关键词:Eneglycinates ; Stereoselectivity ; Steric hindrance ; Configuration
  • 刊名:Research on Chemical Intermediates
  • 出版年:2015
  • 出版时间:February 2015
  • 年:2015
  • 卷:41
  • 期:2
  • 页码:749-760
  • 全文大小:836 KB
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  • 刊物类别:Chemistry and Materials Science
  • 刊物主题:Chemistry
    Catalysis
    Physical Chemistry
    Inorganic Chemistry
  • 出版者:Springer Netherlands
  • ISSN:1568-5675
文摘
(E)-(N-Acyl-oxazolidinone)-eneglycinates were synthesized with high stereoselectivity and in good yield by condensation of aldehydes with glycinates. (Z)-Eneglycinates could be prepared in high purity and moderate yield by transformation of (E)-eneglycinates under mild conditions. The effect on the (E)/(Z)-configuration of eneglycinates of steric hindrance by α-substituents on the aldehyde was also examined. The software MMFF94 was used to explain the transformation of the thermodynamic product into the kinetic product and a plausible mechanism is given.

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