A new case of induced helical chirality in a bichromophoric system: Absolute configuration of transparent and flexible diols from the analysis of the electronic circular dichroism spectra of the corresponding di(1-naphthyl)ketals

Organic Letters

Volumn 10, Issue 16, 2008, Pages 3421-3424

  Tartaglia, Sabina ^a   Pace, Francesca ^a   Scafato, Patrizia ^a   Rosini, Carlo ^a  

^a UNIVERSITY OF BASILICATA   (Italy)

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Indexed keywords

EID: 61349155467     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol8012149     Document Type: Article

References (25)

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25. These populations have been obtained using the ΔG value of 0.18 kcal/mol, provided by the DFT calculations. With this energy difference, the populations become 66 and 33% at -133° C, in excellent agreement with some variable-temperature NMR measurements (see Figure 16 of Supporting Information). The same analysis provides an energy of activation for the P/M interconversion of about 9 kcal/mol (see Figure 16 of Supporting Information).