An 18-Porphyrin Nanoring at the Size Limit for Global Aromaticity

What is the size limit for global aromaticity? How large can a macrocyclic π-system be and still exhibit an aromatic ring current around its circumference? We address this question by investigating a π-conjugated butadiyne-linked 18-porphyrin nanoring (diameter 8 nm). This nanoring was synthesized b...

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Glavni avtor:	Jake M. Holmes (11456976) (author)
Drugi avtorji:	Henrik Gotfredsen (1327704) (author), Lene Gödde (22140865) (author), Janko Hergenhahn (19484545) (author), Kavita Rani (22140868) (author), Keigo E. Yamada (22140871) (author), Jie-Ren Deng (9584944) (author), Liv Warwick (21515915) (author), Michael Clarke (190916) (author), Matthew Edmondson (13911779) (author), James N. O’Shea (1297833) (author), Alex Saywell (1854496) (author), Harry L. Anderson (1278459) (author)
Izdano:	2025
Teme:	Biophysics Biochemistry Microbiology Genetics Physiology Biotechnology Chemical Sciences not elsewhere classified scanning tunneling microscopy octyloxy side chains bulky trihexylsilyl substituents ring complex consisting antiaromatic ring currents small hexapyridyl template two different strategies experimental results show 19 </ sup global ring currents linear porphyrin 18 ring currents experimental results porphyrin ring global aromaticity radial template fluorinated template classical template vernier templating still exhibit shoulder signals porphyrin nanoring oxidation states nmr spectroscopy mer bound linked 18 directed synthesis control experiments conjugated butadiyne classical templating
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An 18-Porphyrin Nanoring at the Size Limit for Global Aromaticity

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