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. 2022 Jan 11;13:248. doi: 10.1038/s41467-021-27831-2

Fig. 3. Enantioselective chain-capping in the mixed porphyrin system.

Fig. 3

a CD and (c) absorbance spectra of homochiral mixtures of S-Zn (cS-Zn = 25 μM in MCH) with increasing amounts of S-Mn chain-capper. With increasing molarity of S-Mn, the quantity of H-type aggregates at 392 nm decreases and more J-aggregates are formed (visible at 425 nm). b CD and (d) absorbance spectra of heterochiral mixture of S-Zn with R-Mn. Compared to the homochiral mixture far less H-aggregate is converted into J-aggregate as the monomers can only interact weakly via the isodesmic pathway with the achiral J-aggregate.