134054-81-2Relevant articles and documents
Electrophile-induced dearomatizing spirocyclization of N- arylisonicotinamides: A route to spirocyclic piperidines
Arnott, Gareth,Brice, Heloise,Clayden, Jonathan,Blaney, Emma
supporting information; experimental part, p. 3089 - 3092 (2009/05/27)
(Chemical Equation Presented) Treatment of N-arylisonicotinamides with trifluoromethanesulfonic anhydride triggers intramolecular nucleophilic attack of the aryl ring on the 4-position of the pyridinium intermediate. The products are spirocyclic dihydropy