Protonated forms of 2-(2-furyl)pyrroles and their interconversions
β Scribed by M. V. Sigalov; E. Yu. Shmidt; A. B. Trofimov; B. A. Trofimov
- Publisher
- Springer US
- Year
- 1989
- Tongue
- English
- Weight
- 827 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
We have studied the reaction of 1-vinyl-2-(2.furyl). and -(2-thienyl)pyrroles with trifluoroacetic anhydride, with hydrogen in the presence of catalysts (Raney nickel, palladium black, palladous chloride), with propargyl alcohol in electrophUic conditions [catalysis by perfluorobutyric acid in the s
A number of 5-(alkylamino)-or 5-(arylamino)-2H-pyrrolium butyl isocyanide converts the protonated Ξ±-chlorocinnamaldimines 2j,k into the 5-(tert-butylamino)-pyrrole-2-salts 3 or 5 have been obtained by treating the 1-aza-1,3diene hydrochlorides 2 with isocyanides R 4 NC in refluxing carbonitriles 13.