Synthesis, Crystal Analysis, and Physical Properties of Double [6]helicene-Containing Heteroarenes with Circularly Polarized Luminescence.
Org Lett
; 25(9): 1343-1347, 2023 Mar 10.
Article
em En
| MEDLINE
| ID: mdl-36583556
ABSTRACT
Two novel helical heteronanographenes bearing a [6]helicene unit (3a and 5a) have been synthesized, and their molecular structures are unambiguously determined via single-crystal X-ray diffraction analyses. Density functional theory calculations suggest that the as-prepared compounds have isomerization barriers of 29.02 kcal/mol for 3a and 34.07 kcal/mol for 5a, respectively. Optical enantiomers of 5a exhibit appealing chiroptical properties.
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MEDLINE
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En
Ano de publicação:
2023
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Article