Abstract
AbstractIn this review we report on the enantiomerization of tetrahedral racemic‐[(NH4)4∩{Mg4(L1)6}] monitored by means of variable temperature (VT) 1H NMR spectroscopy. The enantiotopization of the diastereotopic protons is due to simultaneous Bailar twists at the four octahedrally coordinated magnesium centres, synchronized with atropisomerization of the six edge‐bridging ligands (L1)2‐.The VT 1H NMR spectrum of tetrahedral meso‐[In4(L2)4] is coined through the helicity of the four face‐centred tripodal hexadentate ligands (L2)3‐ and can, alike the 1H NMR of cyclic meso‐[In6Cl6(L3)6], be explained by the enantiotopization of the diastereotopic protons via mesomerization.
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