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A Rare and Exclusive Endoperoxide Photoproduct Derived from a Thiacalix[4]arene Crown‐Shaped Derivative Bearing a 9,10‐Substituted Anthracene Moiety
Author(s) -
Zhao JiangLin,
Wu Chong,
Tomiyasu Hirotsugu,
Zeng Xi,
Elsegood Mark R. J.,
Redshaw Carl,
Yamato Takehiko
Publication year - 2016
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201600202
Subject(s) - moiety , anthracene , derivative (finance) , chemistry , photochemistry , stereochemistry , medicinal chemistry , financial economics , economics
A rare and exclusive endoperoxide photoproduct was quantitatively obtained from a thiacalix[4]arene crown‐shaped derivative upon irradiation at λ =365 nm; the structure was unambiguously confirmed by 1 H/ 13 C NMR spectroscopy and X‐ray crystallography. The prerequisites for the formation of the endoperoxide photoproduct have also been discussed. Furthermore, the photochemical reaction rate could be greatly enhanced in the presence of the thiacalix[4]arene platform because it served as a host to capture oxygen.