Heterocyclic analogs of prostaglandins: III. Synthesis of 10-oxa-13-aza, 11-oxa-13-aza, and 9-oxa-7-aza prostanoids from 3-acyl-and 3-(3-arylprop-2-enoyl)furan-2,4-diones |
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Authors: | F S Pashkovskii E M Shchukina M G Gribovskii F A Lakhvich |
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Institution: | (1) Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, ul. Akademika Kuprevicha 5/2, Minsk, 220141, Belarus |
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Abstract: | A number of new 10-oxa-13-aza, 11-oxa-13-aza, and 9-oxa-7-aza prostanoids belonging to the B series were synthesized on the basis of 3-acyl-and 3-(3-arylprop-2-enoyl)furan-2,4(3H,5H)-diones. The scheme of synthesis includes selective hydrogenation of the exocyclic carbonyl group and reduction of the conjugated double bond in the acyl fragment of 3-acyl-and 3-(3-arylprop-2-enoyl)furan-2,4(3H,5H)-diones to obtain 3-alkyl-and 3-(3-arylpropyl)furan-2,4(3H,5H)-diones, transformation of the latter into the corresponding regioisomeric enol ethers via regioselective O-alkylation, and treatment of the enol ethers with primary aliphatic amines. |
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