Phosphorus Derivatives of Natural Lactones. Synthesis of New Grosshemin Dialkylphosphonates |
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| Authors: | R. I. Dzhalmakhanbetova S. A. Ivasenko A. T. Kulyyasov B. B. Khasenov N. B. Kurmankulov S. M. Adekenov |
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| Affiliation: | (1) Institute of Phytochemistry, Ministry of Education and Science of the Republic of Kazakhstan, Republic of Kazakhstan, 470032, Karaganda, ul. Gazalieva 4;(2) A. Bekturov Institute of Chemical Sciences, MinistryofEducation and Scienceof the Republic of Kazakhstan, Republic of Kazakhstan, 480100 Almaty, ul. Ualikhanova, 106 |
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| Abstract: | New phosphorus-containing derivatives of grosshemin were synthesized in 68-70% yield by reacting this guaianolide with dialkylphosphites. Their structures were established by IR, PMR, 13C NMR, and 31P NMR spectroscopies and two-dimensional 1H-1H NMR spectroscopy (COSY). The reaction of grosshemin with dialkylphosphites was found to be highly stereoselective. |
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| Keywords: | grosshemin phosphorylation PMR 13C NMR 31P NMR 1H-1H NMR (COSY) |
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