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Reactions between perfluoro-(4-isopropyl pyridine) 1 and a variety of oxygen nucleophiles gave mono, di- and tri-alkoxylated systems depending on reaction conditions. The barrier to rotation for the perfluoro-isopropyl group in several pyridine systems was measured by 19 F n.m.r. saturation transfer experiments.

Polyhalogenated heterocyclic compounds. Part 44. Reactions of perfluoro-(4-isopropylpyridine) with oxygen nucleophiles