Tetrahydropyran-2,4-diones in the Synthesis of Fused N,O-Heterocycles |
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| Authors: | Kozlov N G Pashkovskii F S Tereshko A B Lokot' I P Gusak K N Lakhvich F A |
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| Institution: | (1) Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, ul. Surganova 13, Minsk, 220072, Belarus;(2) Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus |
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| Abstract: | Condensation of 6-methyl(or phenyl)-tetrahydropyran-2,4-diones with 2-aminonaphthalene or 6-aminoquinoline and aromatic aldehydes in an aliphatic alcohol gave 5-aryl-2,2-dimethyl(or 2-phenyl)-1,2,5,6-tetrahydro-4H-benzof]pyrano3,4-c]quinolin-4-ones and 5-aryl-2-methyl-1,2,5,6-tetrahydro-4H-pyrano4,3-a]4,7]phenanthrolin-4-ones which are new N,O-heterocyclic systems containing fused aza- and diazaphenanthrene moieties and a 2-pyranone ring. |
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