Abstract
The presentation will systematize some data concerning rearrangements of fluoroaliphatic compounds catalyzed by Lewis acids or related compounds. Driving forces of these processes can be various factors, such as: 1. thermodynamic instability of systems containing fluorine atoms at sp 2- hybridized carbon atoms; 2. mobility of fluorine atoms in allylic or benzylic position (σ, π-conjugation); 3. activity of fluorine atoms at α-position to heteroatoms bearing an unshared electron pair (p, π-conjugation); 4. energy gain of stable ions formation (allylic cations, stable complex counterions - SbF 6 −, BF 4 − etc.)
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