Synthesis of Pyrimido[1,6-]quinoxalines Via Intermolecular Trapping of Thermally Generated Acyl(quinoxalin-2-yl)ketenes by Schiff Bases
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Abstract
Acyl(quinoxalin-2-yl)ketenes generated by thermal decarbonylation of 3-acylpyrrolo[1,2-]quinoxaline-1,2,4(5)-triones react regioselectively with Schiff bases under solvent-free conditions to form pyrimido[1,6-]quinoxaline derivatives in good yields.
Citing Articles
Topanov P, Maslivets A, Dmitriev M, Mashevskaya I, Shklyaev Y, Maslivets A Beilstein J Org Chem. 2022; 18:1532-1538.
PMID: 36447521 PMC: 9663967. DOI: 10.3762/bjoc.18.162.
Khramtsova E, Krainov A, Dmitriev M, Maslivets A Molecules. 2022; 27(16).
PMID: 36014497 PMC: 9414543. DOI: 10.3390/molecules27165257.
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