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Russian Journal of General Chemistry

, Volume 88, Issue 11, pp 2435–2437 | Cite as

Reaction of Tetramethyl Ethynyldiphosphonate with Diethyl 2-Amidomalonates

  • D. M. Egorov
  • A. A. Petrosyan
  • Yu. L. PiterskayaEmail author
  • N. I. Svintsitskaya
  • A. V. Dogadina
Letters to the Editor
  • 3 Downloads

Abstract

Stereoselective reaction of tetramethyl ethynyldiphosphonate with diethyl 2-amidomalonates yielded Z-vinyldiphosphonates, namely Z-2-[1,2-bis(dimethoxyphosphoryl)-2-alkyl(aryl)amidovinyl]malonic acid diethyl esters. A possibility of cyclization of the amidomalonate fragment of the obtained alkenes with the formation of an oxazole-substituted Z-vinyldiphosphonate was shown.

Keywords

acetylenediphosphonates stereoselective addition at triple bond oxazoles amidomalonates 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • D. M. Egorov
    • 1
  • A. A. Petrosyan
    • 1
  • Yu. L. Piterskaya
    • 1
    Email author
  • N. I. Svintsitskaya
    • 1
  • A. V. Dogadina
    • 1
  1. 1.St. Petersburg State Institute of Technology (Technical University)St. PetersburgRussia

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