Beilstein J. Org. Chem.2012,8, 81–89, doi:10.3762/bjoc.8.8
thermodynamically as shown by NMR titration. Moreover, EXSY NMR experiments reveal that the vanadate dimer is also kinetically stabilized with respect to hydrolysis by complexation with Zn-cyclene.
Keywords: EXSY NMR; NMR titration; supramolecular chemistry; vanadatecondensation; 51V NMR; Zn-cyclene
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Graphical Abstract
Figure 1:
Simplified free energy scheme for driving an endergonic condensation (elimination/addition of water...