ChemInform Abstract: One-Pot Regioselective Synthesis of 2,9-Disubstituted Imidazo[1,2-a]benzimidazoles from 2-Aminobenzimidazole and α-Tosyloxy Ketones.
✍ Scribed by Ashok Kumar; Sunil Kumar; Devinder Kumar; Rakesh K. Gupta
- Publisher
- John Wiley and Sons
- Year
- 2008
- Weight
- 23 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Benzyl halides (I) or ‐tosylates (V) are oxidized to aldehydes under mild Kornblum conditions which then undergo a three‐component reaction with various 2‐aminopyridines (II) and isocyanides (III) to afford title compounds (IV)/ (VI) in high yields.