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Intermolecular Chirality Modulation of Binaphthalene-Bridged Bisporphyrins With Chiral Diamines
2021
Frontiers in Chemistry
A new pair of 2,2ʹ-diamino-1,1ʹ-binaphthyl linked porphyrin dimers, (R)-/(S)-H, were synthesized to study their supramolecular interactions with a pair of chiral diamines ((R)-/(S)-PPDA) by using UV-Vis absorption, fluorescence and NMR titrations. The spectroscopic titrations indicated that sandwich-type 1:1 complexes were formed at low guest concentration and then transformed to 1:2 open complexes at high guest concentration. The supramolecular interactions afforded sensitive circular
doi:10.3389/fchem.2020.611257
pmid:33659235
pmcid:PMC7919525
fatcat:v3n44s256jd5dbnirzgfzb2upu