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Synthesis of pyrimido[1,6-]quinoxalines via intermolecular trapping of thermally generated acyl(quinoxalin-2-yl)ketenes by Schiff bases. | LitMetric
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Synthesis of pyrimido[1,6-]quinoxalines via intermolecular trapping of thermally generated acyl(quinoxalin-2-yl)ketenes by Schiff bases.

Svetlana O Kasatkina Ekaterina E Stepanova Maksim V Dmitriev Ivan G Mokrushin Andrey N Maslivets

Beilstein J Org Chem

Department of Chemistry, Perm State University, ul. Bukireva 15, Perm 614990, Russian Federation.

Published: July 2018

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.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6071730PMC
http://dx.doi.org/10.3762/bjoc.14.147DOI Listing

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