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Self‐Assembly of Macrocyclic Boronic Esters Bearing Tellurophene Moieties and Their Guest‐Responsive Phosphorescence
Author(s) -
Takahashi Kohei,
Shimo Shunsuke,
Hupf Emanuel,
Ochiai Junichi,
Braun Christina A.,
Torres Delgado William,
Xu Letian,
He Gang,
Rivard Eric,
Iwasawa Nobuharu
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201901319
Subject(s) - phosphorescence , chemistry , quenching (fluorescence) , photochemistry , combinatorial chemistry , stereochemistry , fluorescence , quantum mechanics , physics
Guest‐controlled diastereoselective self‐assembly of a diboryltellurophene and a chiral tetrol bearing an indacene backbone was achieved to give either hetero‐ or homochiral macrocyclic boronic esters, selectively. The heterochiral isomer (hetero‐[2+2] Te ) exhibited a higher inclusion ability for electron‐deficient aromatic guests, leading to effective quenching of phosphorescence from the diboryltellurophene moieties. The reported macrocycles collectively represent a promising arene sensing approach based on phosphorescence.
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