How Do Intramolecular Hydrogen Bonds Affect Acidities and

H˚ acid (tetraol) = ∆H˚ acid (HCl), EA(HOCH 2 CH 2 ) 3 CO) > EA(Cl) Steven R. Kass, Department of Chemistry, University of Minnesota St. ...
0 downloads 15 Views 155KB Size
How Do Intramolecular Hydrogen Bonds Affect Acidities and Basicities? Steven R. Kass, Department of Chemistry, University of Minnesota St. Paul, MN 55455

pKa =16.1 (DMSO) ΔH˚acid (tetraol) = ΔH˚acid (HCl), EA(HOCH2CH2)3CO) > EA(Cl)

pKa =11.4 (DMSO) ΔH˚acid (heptaol) = ΔH˚acid (HI), EA(HOCH2CH2)3CO) > EA(NO3) & EA(ClO3)