Rearrangement of Electron-Rich N-Allyldi
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Christian Holtgrewe; Christian Diedrich; Tania Pape; Stefan Grimme; F. Ekkehardt
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Article
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2006
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John Wiley and Sons
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English
⚖ 180 KB
## Abstract The deprotonation of __N__‐allylbenzimidazolium halides **9a**–**d** initially results in the formation of the __N__‐allyldibenzotetraazafulvalenes **10**. These electron‐rich olefins rearrange to give 1,1′,2′,3′‐tetraalkyl‐1′,2′‐dihydro‐2,2′‐bibenzimidazoles **13**, either by a 3‐aza‐C