Synthesis of phosphonato esters involving heterocyclic biological bases in a highly diastereoselective and chemoselective route |
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| Authors: | Malek T Maghsoodlou Nourallah Hazeri Sayed M Habibi-Khorassani Reza Heydari Ghasem Marandi Mojtaba Lashkari Khatereh Bagherpour and Zahra Gharechaei |
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| Institution: | (1) Department of Chemistry, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran |
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| Abstract: | Abstract Synthesis of five phosphonato esters has been accomplished via reaction between dimethyl acetylenedicarboxylate and triphenyl
phosphite in the presence of biological compounds such as theophylline, 4-hydroxypyrimidine, 2H-3,1-benzoxazine-2,4(1H)-dione, 2-chloroaniline, or 3-nitroaniline at ambient temperature. The configuration of the compounds was determined on the
basis of coupling constants emerging from the Karplus equation. |
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