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Synthesis and structure of 4-arylspirodihydro-pyranochromen-2-one derivatives |
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| Authors: | V. S. Moskvina Ya. L. Garazd M. M. Garazd A. V. Turov V. P. Khilya |
| Affiliation: | (1) Taras Shevchenko Kiev National University, 02033 Kiev, Ukraine;(2) Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 02094, Ukraine |
| Abstract: | Syntheses are reported for sulfur-and nitrogen-containing derivatives of 4-arylspiro-2-benzopyranones modified at the exocyclic oxygen atom. The structure of these products was demonstrated by correlational NMR spectroscopy. __________ Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 518–527, April, 2007. |
| Keywords: | 4-arylcoumarins 2-benzopyranthiones hydrazones coumarins oximes spirodihydro-pyranochromen-2-ones heteronuclear correlation |
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