We describe the synthesis and characterization of C2 symmetrical double chromophores, in which two identical chromophores are linked through ethylene glycol spacers of increasing lengths. The complexation ability of the trans stereopure form for each diastereoisomeric pair showed how the two chromophores, when the spacer unit is comprised of a diethylene or a triethylene glycol moiety, are able to interact in a positive way, stabilizing the resulting complexes when compared with single chromophore analogous compounds.
C2 Symmetrical Double Chromophores: Cooperativity Effects in Lanthanide Ion Complexation
PASINI, DARIO;RIGHETTI, PIER PAOLO;ZEMA, MICHELE
2004-01-01
Abstract
We describe the synthesis and characterization of C2 symmetrical double chromophores, in which two identical chromophores are linked through ethylene glycol spacers of increasing lengths. The complexation ability of the trans stereopure form for each diastereoisomeric pair showed how the two chromophores, when the spacer unit is comprised of a diethylene or a triethylene glycol moiety, are able to interact in a positive way, stabilizing the resulting complexes when compared with single chromophore analogous compounds.File in questo prodotto:
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