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Beilstein J. Org. Chem. 2024, 20, 2921–2930, doi:10.3762/bjoc.20.244
Graphical Abstract
Figure 1: Chemical structures of violanthrone and dihydroxyviolanthrone.
Figure 2: Chemical structures of 2b and 3b.
Scheme 1: Synthesis of compounds 2a–c and 3a–c.
Figure 3: Optimised ground state geometries of compounds 2 and 3 calculated using B3LYP/6-311G(d,p) in the ga...
Figure 4: Views of the crystal structure of 3b (left, shows displacement ellipsoids drawn at 50% probability ...
Figure 5: Absorption spectra of 3a–c measured in dichloromethane solution (1 × 10−5 M).
Figure 6: SWV (left) and CV (right) of compound 3a–c (in dichloromethane 1 × 10−3 M) (V vs Fc/Fc+).