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Synthesis 1991; 1991(5): 405-406
DOI: 10.1055/s-1991-26478
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An Improved Synthesis of Tetraalkyl Diazomethylenediphosphonates and Alkyl Diazo(dialkoxyphosphoryl)acetates

Anil B. Khare* , Charles E. Mckenna
  • *Department of Chemistry, University of Southern California, University Park, Los Angeles, CA 90089-0744, USA
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Publication Date:
29 April 2002 (online)

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2-Naphthalenesulfonyl azide (2) is a superior diazo transfer reagent for synthesis of diazo phosphonates 3a-3d from the corresponding methylenephosphonates 1a-1d.