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An Anthracene Based Photoswitchable Dioxo‐Tetraaza Ligand Selective for Cu II and Capable of Photochemical p K a Modulation
Author(s) -
Dacarro Giacomo,
Ricci Paola,
Sacchi Donatella,
Taglietti Angelo
Publication year - 2011
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201001050
Subject(s) - chemistry , anthracene , ligand (biochemistry) , aqueous solution , photochemistry , stereochemistry , receptor , biochemistry
Two anthracene fragments were added to a linear dioxotetramine ligand in order to exploit a [4πs+4πs] photocycloaddition reaction and obtain a photoswitchable selective receptor for Cu II , whose cavity (and binding abilities) can be closed on command. Moreover, it was demonstrated that this new ligand, N , N ′‐bis{2‐[(anthracen‐9‐ylmethyl)amino]ethyl}malonamide (LH 2 ), can also be used for the photoinduced release of protons in aqueous solution, as a result of photoinduced p K a modulation.