The .beta.-hydrogen secondary isotope effect in acyl transfer reactions. Origins, temperature dependence, and utility as a probe of transition-state structure
The .beta.-hydrogen secondary isotope effect in acyl transfer reactions. Origins, temperature dependence, and utility as a probe of transition-state structure
identical methyl groups remain inequivalent in the course of an n-propyl⇄isopropyl isomerization operative in Fe+ -mediated dehydration of propanols. The reversibility of the β-hydrogen transfer steps is addressed by examination of the H/D equilibration in metastable complexes of Fe+ with a set of selectively deuterated propanols by using tandem mass spectrometry.