6-trifluoromethyl-2-pyridinecarboxylic acid (4; 87%) was obtained from 2-bromo-6-(trifluoromethyl)pyridine, which was in turn derived from 2-bromo-6-iodopyridine by trifluoromethylating displacement of iodine.
2-Bromo-6-iodopyridine Preparation Products And Raw materials