A novel method for the synthesis of pyrimido[1,2-a]benzimidazoles
- Vandyshev D.Y.
- Shikhaliev K.S.
- Kokonova A.V.
- Potapov A.Y.
- Kolpakova M.G.
- Sabynin A.L.
- Zubkov F.I.
DOI Publisher
Springer Science and Business Media LLCAbstract
[Figure not available: see fulltext.] Condensation of 1,2-diaminobenzimidazole with N-arylitaconimides was studied. It was found that 2-(10-amino-N-aryl-2-oxo-2,3,4,10-tetrahydropyrimido[1,2-a]benzimidazol-3-yl)acetamides were formed in the course of this reaction upon brief heating to reflux of the reagent mixture in 2-propanol in the presence of catalytic amounts of acetic acid. © 2016, Springer Science+Business Media New York
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