Reaction of Tetramethyl Ethynyldiphosphonate with Diethyl 2-Amidomalonates

D. M. Egorov; A. A. Petrosyan; Yu. L. Piterskaya; N. I. Svintsitskaya; A. V. Dogadina

doi:10.1134/S1070363218110294

Reaction of Tetramethyl Ethynyldiphosphonate with Diethyl 2-Amidomalonates

Autores: Egorov D.¹, Petrosyan A.¹, Piterskaya Y.¹, Svintsitskaya N.¹, Dogadina A.¹
Afiliações:
1. St. Petersburg State Institute of Technology (Technical University)
Edição: Volume 88, Nº 11 (2018)
Páginas: 2435-2437
Seção: Letters to the Editor
URL: https://journals.rcsi.science/1070-3632/article/view/222564
DOI: https://doi.org/10.1134/S1070363218110294
ID: 222564

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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.