Can an Amine Be a Stronger Acid than a Carboxylic Acid? The Surprisingly High Acidity of Amine-Borane Complexes - Martin-Somer, Ana; Lamsabhi, Al Mokhtar; Yanez, Manuel; Davalos, Juan Z.; Gonzalez, Javier; Ramos, Rocio; Guillemin, Jean-Claude; (CHEMISTRY-A EUROPEAN JOURNAL, 2012)