Reaction of 2‐Polyfluoroalkylchromones with 1,3,3‐Trimethyl‐3,4‐dihydroisoquinolines and Methylketimines as a Direct Route to Zwitterionic Axially Chiral 6,7‐Dihydrobenzo[a]quinolizinium Derivatives and 2,6‐Diaryl‐4‐polyfluoroalkylpyridines.