A New Access to 2-(Alkylamino)- and 2-(A
β
Evelyne Marchand; Georges Morel; Sourisak Sinbandhit
π
Article
π
1999
π
John Wiley and Sons
π
English
β 343 KB
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.