Synthesis of amino acid derivatives of hydrazones and oximes of spirodihydropyranochromen-2-ones |
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| Authors: | M V Veselovska M M Garazd O S Ogorodniychuk Ya L Garazd V P Khilya |
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| Institution: | (1) Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences (NAN) of Ukraine, Kiev, 02094, Ukraine;(2) Taras Shevchenko National University, Kiev, 01033, Ukraine |
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| Abstract: | Sulfur-and nitrogen-containing derivatives of spirodihydropyranochromen-2-ones at the exocyclic oxygen atom have been synthesized.
Modification of the oximes and hydrazones of the spiro-substituted pyranocoumarins with N-substituted amino acids were carried
out using activated ester and symmetrical anhydride methods.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 208–220, February, 2008. |
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| Keywords: | amino acid derivatives benzopyran-2-thiones hydrazones coumarins oximes spirodihydropyranochromen-2-ones |
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