- A NOVEL 1,6 CYCLIZATION OF IMIDAZOLIUM N-ALLYLIDES (1): FORMATION OF MESOMERIC BETAINES, 8-OXOIMIDAZOPYRIDINIUMIDES
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Treatment of imidazolium N-allylides (3a,b) in refluxing xylene resulted in 1,5-dipolar cyclization to give pyrroloimidazoles (4a,b), whereas heating of N-allylides (3c,d,e) in refluxing xylene gave the mesomeric betaines, 8-oxoimidazopyridiniumide
- Matsuda, Yoshiro,Gotou, Hiromi,Katou, Keisuke,Matsumoto, Hiroshi,Yamashita, Makoto,et al.
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p. 977 - 982
(2007/10/02)
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