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Elucidation of Intramolecular Through‐Space Electronic Communication in a Propeller‐Shaped Molecule
Author(s) -
Kodama Takuya,
Hirao Yasukazu,
Nishiuchi Tomohiko,
Kubo Takashi
Publication year - 2017
Publication title -
chempluschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.801
H-Index - 61
ISSN - 2192-6506
DOI - 10.1002/cplu.201700045
Subject(s) - intramolecular force , chemical space , space (punctuation) , molecule , propeller , nanotechnology , chemical physics , chemistry , physics , materials science , computer science , stereochemistry , engineering , quantum mechanics , drug discovery , biochemistry , marine engineering , operating system
Abstract A novel π‐extended trinaphtho[3.3.3]propellane (TNP) derivative was prepared and through‐space electronic communication in its radical cation species was characterized by electrochemical and spectroscopic methods. Cyclic voltammetry and UV/Vis‐NIR titrations suggested weak electronic communication among the three aromatic rings. Variable‐temperature ESR measurements of the radical cation showed a drastic change in the spectra in the range of 230–180 K, indicating hopping‐type spin delocalization that would originate from migration of a counter anion.
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