DETERMINATION OF ABSOLUTE CONFIGURATION USING CIRCULAR DICHROISM : TROGER'S BASE REVISITED USING VIBRATIONAL CIRCULAR DICHROISM
1999
A new methodology for predicting the Vibrational Circular Dichroism (VCD) spectra of chiral molecules using Density Functional Theory (DFT) and Gauge-Invariant Atomic Orbitals (GIAOs) permits the direct determination of the absolute configuration of organic molecules in solution; application to Troger’s Base leads to the opposite absolute configuration from that deduced from electronic CD, confirming the conclusion arrived at from X-ray analysis of a diastereoisomeric salt.
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