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Synthesis 1988; 1988(9): 721-723
DOI: 10.1055/s-1988-27687
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Bis(methoxycarbonyl)carbene Insertion into N-H Bonds: A Facile Route to N-Substituted Aminomalonic Esters

Suren Husinec* , Ivan Juranic, Antonia Llobera, Alexander E. A. Porter
  • *Chemistry Department, University of Stirling, Stirling FK9 4LA, Scotland
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Publication Date:
18 September 2002 (online)

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Bis(methoxycarbonyl)carbene, generated by the copper(II)-catalyzed fragmentation of 2,5-dichlorothiophenium-1-bis(methoxycarbonyl) methylide (3) undergoes rapid and efficient insertion into the N-H bonds of primary and secondary amines to generate N-substituted aminomalonic esters in good to excellent yields.