One-pot synthesis of substituted pyrrolo[3,4-b]pyridine-4,5-diones based on the reaction of N-(1-(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-2-oxo-2-arylethyl)acetamide with amines

1. Valeriya G. Melekhina,
2. Andrey N. Komogortsev,
3. Boris V. Lichitsky,
4. Vitaly S. Mityanov,
5. Artem N. Fakhrutdinov,
6. Arkady A. Dudinov,
7. Vasily A. Migulin,
8. Yulia V. Nelyubina,
9. Elizaveta K. Melnikova and
10. Michail M. Krayushkin