Base-Mediated Generation of Ketenimines from Ynamides: Direct Access to Azetidinimines by an Imino-Staudinger Synthesis
- PMID: 28627803
- DOI: 10.1002/chem.201702545
Base-Mediated Generation of Ketenimines from Ynamides: Direct Access to Azetidinimines by an Imino-Staudinger Synthesis
Abstract
Ynamides were used as precursors for the in situ generation of highly reactive ketenimines that could be trapped with imines in a [2+2] cycloaddition. This imino-Staudinger synthesis led to a variety of imino-analogs of β-lactams, namely azetidinimines (20 examples), that could be further functionalized through a broad range of transformations.
Keywords: Staudinger synthesis; [2+2] cycloaddition; azetidinimines; ketenimines; ynamides.
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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