Effects of Hydrogen Bonding Solvation by Diverse Fluorinated Bulky Alcohols on the Reaction Rate and Selectivity in Crown Ether Mediated Nucleophilic Fluorination in an Aprotic Solvent - Eloah P. Ávila; Mauro V. de Almeida; Marcelo S. Valle; Josefredo R. Pliego (ACS Organic & Inorganic Au)