ChemInform Abstract: 5-Membered Heterocyclic Allylsilanes in Synthesis: Generation via Aza-ene Reaction and Application to the Synthesis of a Bicyclic 1,2-Dinitrogen Analogue of Naturally Occurring Pyrrolizidines.

ChemInform Abstract: A Reaction for the

ChemInform Abstract: A Reaction for the Synthesis of Benzimidazoles and 1H-Imidazo[4,5-b]pyridines via a Novel Rearrangement of Quinoxalinones and Their Aza-Analogues when Exposed to 1,2-Arylenediamines.

✍ Vakhid A. Mamedov; Nataliya A. Zhukova; Tat'yana N. Beschastnova; Aidar T. Gubai 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 33 KB

## Abstract Recyclization of quinoxalines and aza‐analogues (I) in the presence of o‐phenylenediamines (II) or (V) proceeds smoothly in acidic solution to give 2‐quinoxalinylbenzimidazoles and aza‐analogues (III) and (VI)/(VII), respectively.