139933-81-6Relevant articles and documents
Thermolyses of 1,1-dimethyl-2-pyrazolinium fluoborates - Evidence for spiro--1-aza-1,4,6-octatrienyl cation
Subramaniam, Girija,Fishel, Derry L
, p. 172 - 176 (2007/10/02)
Thermolyses of 3-aryl-1,1-dimethyl-2-pyrazolinium fluoborates give an isomeric mixture of 3-aryl-1-methylpyrazole and 5-aryl-1-methylpyrazole as major products in complete contrast to the corresponding acyclic analogs. 2,6-Diaryl-3-methylpyridines were isolated only in trace quantities.The probable reasons for this unique behaviour was explored using semi-empirical calculations, non-kinetic methods and radiolabelling experiments.A pathway was proposed.