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X.-L. Tao, M. Lei and Y.-G. Wang, “Ionic Liquid Supported Synthesis of ?-Lactam Library in Ionic Liquid Batch,” Tetrahedron Letters, Vol. 48, No. 28, 2007, pp. 5143-5146. doi:10.1016/j.tetlet.2007.05.053

has been cited by the following article:

• TITLE: Investigation of the Role of Electrogenerated N-Heterocyclic Carbene in the Staudinger Synthesis in Ionic Liquid

  AUTHORS: Marta Feroci

  KEYWORDS: Electrosynthesis, NHC, Staudinger Synthesis, ?-Lactams, Organocatalyst, Ionic Liquid

  JOURNAL NAME: International Journal of Organic Chemistry, Vol.1 No.4, December 27, 2011

  ABSTRACT: Electrogenerated N-heterocyclic carbene (NHC), obtained by cathodic reduction of Bmim-BF4, behaves as organocatalyst and base in the Staudinger synthesis from an acyl chloride and a deactivated imine in ionic liquid to yield ?-lactams. The effect of many parameters (temperature, amount of electricity, substituents, presence of an external base) has been evaluated and a tentative mechanism for the Staudinger synthesis in a very polar medium like the ionic liquid reported. The yields of isolated ?-lactams are good, starting from non-electrophilic imines, and predominantly trans lactams are obtained with a good diastereomeric ratio.