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Synthesis of new heteropolycyclic bis-carboxamide-3, 5-dichloro-N, N'(P-chlorophenyl)dithieno [3, 2-B-2', 3'-D]furan-2, 6-carboxamide

New heteropolycyclic bis-carboxamide 5 was synthesized in multistep synthesis starting from furylacrylic acid (1), This type or compounds are now being examined as potential anti-AIDS agent. The most important stage in the multistep synthesis is the preparation of intermediate 3, 5-dichloro-dithieno[3, 2-b:2', 3'-d]furan-2, 6-dicarbonyl chloride (4).

carboxamide- 3; 5-dichloro-N; N'(P-chlorophenyl)dithieno [3; 2-B-2'; 3'-D]furan-2; 6-carboxamid

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