Hetarylation of C-nucleophiles: a new course for the reaction of N-fluoropyridiniun salts with carbanions.
作者:Andrei A Gakh、Alexander S Kiselyov、Victor V Semenov
DOI:10.1016/s0040-4039(00)88572-x
日期:1990.1
The N-fluoropyridinium tetrafluoroborate reactions with carbanions were found either to follow the cine -(tele)-AEa-substitution or go through possible formation of a carbenic (cationic) intermediate; as a result 2- or 4-pyridyl derivatives are formed.