Abstract
The synthesis of some substituted 4-hydroxy-2,5,6,7-tetrahydro-pyrano[2,3-c]pyrrole-2,5-diones (5) and 4-hydroxy-1,2,6,7-tetrahydro-5H-pyrrolo[3,4-b]pyridine-2,5-diones (6) by reacting 1,5-diaryl-pyrrolidine-2,4-diones (1) and 1,5-diaryl-1,5-dihydro-4-amino-2H-pyrrol-2-ones (3) with bis-2,4,6-trichlorophenyl malonates (4) is described.
Zusammenfassung
Die Synthese einiger substituierter 4-Hydroxy-2,5,6,7-tetrahydro-pyrano[2,3-c]pyrrol-2,5-dione (5) und 4-Hydroxy-1,2,6,7-tetrahydro-5H-pyrrolo[3,4-b]pyridin-2,5-dione (6) gelingt durch Reaktion von 1,5-Diaryl-pyrrolidin-2,4-dion (1) bzw. 1,5-diaryl-1,5-dihydro-4-amino-2H-pyrrol-2-on (3) mit Malonsäure-bis-2,4,6-trichlorphenylester (4).
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Dedicated to Prof. Dr. Dr. h. c.O. Kratky, Graz, on the occasion of his 80th birthday.
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Soliman, F.S.G., Kappe, T. Reactions with pyrrolidine-2,4-diones, I. New synthesis of pyrano[2,3-c]pyrrole and pyrrolo[3,4-b]pyridine systems. Monatsh Chem 113, 475–484 (1982). https://doi.org/10.1007/BF00799923
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DOI: https://doi.org/10.1007/BF00799923