Synthesis of pyrimido[1,6-a]quinoxalines via intermolecular trapping of thermally generated acyl(quinoxalin-2-yl)ketenes by Schiff bases
oleh: Svetlana O. Kasatkina, Ekaterina E. Stepanova, Maksim V. Dmitriev, Ivan G. Mokrushin, Andrey N. Maslivets
| Format: | Article |
|---|---|
| Diterbitkan: | Beilstein-Institut 2018-07-01 |
Deskripsi
Acyl(quinoxalin-2-yl)ketenes generated by thermal decarbonylation of 3-acylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones react regioselectively with Schiff bases under solvent-free conditions to form pyrimido[1,6-a]quinoxaline derivatives in good yields.