ChemInform Abstract: Cyclization Reactions of 2-Methylbenzenesulfonamides Using N,N-Dimethylcarbamoyl Chloride, N,N-Dimethylthiocarbamoyl Chloride, and N,N-Dimethylsulfamoyl Chloride.
β Scribed by Masahiko Takahashi; Tomoya Morimoto; Ken-ich Isogai; Sousi Tsuchiya; Keisuke Mizumoto
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 35 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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π SIMILAR VOLUMES
To account for the formation of the pyrrole derivatives, we assume that, by analogy to the Polonovski reaction [3], the N-oxide is acetylated by the acetic anhydride at the oxygen. The intermediate (4), which cannot be isolated, loses a molecule of acetic acid with formation of a pyrroleninium catio
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