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      Bicyclic-guanidine-catalyzed asymmetric Michael addition of 3-substituted oxindoles to 2-cyclopentenone

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      Author
      Yang, Caiyun
      Chen, Wenchao
      Yang, Wenguo
      Zhu, Bo
      Yan, Lin
      Tan, Choon-Hong
      Jiang, Zhiyong
      Date of Issue
      2013
      School
      School of Physical and Mathematical Sciences
      Abstract
      Taking the Michael: The first highly enantio- and diastereoselective Michael addition of various 3-benzyl-substituted oxindoles to 2-cyclopentenone has been developed. A variety of 3,3-disubstituted oxindoles as Michael adducts were obtained in 69–99 % yield with 73–98 % ee and 9:1 to >20:1 d.r.
      Subject
      DRNTU::Science::Chemistry::Physical chemistry
      Type
      Journal Article
      Series/Journal Title
      Chemistry - an Asian journal
      Rights
      © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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      • SPMS Journal Articles
      http://dx.doi.org/10.1002/asia.201301011
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