Synthesis and NMR spectroscopy investigations of functionalized 8,8,10-trimethyl-4-phenyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromene-2,6-diones and their spirothiadiazole derivatives |
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| Authors: | Viktoria S. Moskvina Olexander V. Turov Volodymyr P. Khilya Myroslav M. Garazd Ulrich M. Groth |
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| Affiliation: | (1) Chemistry Department, Kyiv National Taras Shevchenko University, Kyiv, Ukraine;(2) Institute of Bioorganic Chemistry and Petroleum Chemistry, National Academy of Sciences of Ukraine, Kyiv, Ukraine;(3) Faculty of Chemistry, Konstanz University, Konstanz, Germany |
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| Abstract: | New functionalized derivatives of 8,8,10-trimethyl-4-phenyl-7,8-dihydro-2H,6H-pyrano[3,2-g]-chromene-2,6-dione – analogues of the natural compound graveolone – possessing hydrazine, hydroxylamine, and thiosemicarbazide residues were synthesized and their reactions with acetic anhydride were studied. The structure of the obtained compounds was confirmed by NMR spectroscopy. Correspondence: Viktoria Moskvina, Chemistry Department, Kyiv National Taras Shevchenko University, 60, ul. Vladimirskaya, 01033 Kyiv, Ukraine. |
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| Keywords: | Heterocycles Natural products NMR spectroscopy Neoflavones 8,8,10-Trimethyl-4-phenyl-7,8-dihydro-2H,6H-pyrano[3,2-g]chromene-2,6-dione. |
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