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Chirality Studies On Metallo-Cyclodextrins For The Separation Of L/D-Dopa, Ciaran Potter, Noel Russell, Mary Mcnamara
Chirality Studies On Metallo-Cyclodextrins For The Separation Of L/D-Dopa, Ciaran Potter, Noel Russell, Mary Mcnamara
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The derivatives 6-Deoxy-6-[1-(2-amino)ethylamino]-b-Cyclodextrin (CDEn), 6-Deoxy-6-[1-(3-amino)propylamino]- b-Cyclodextrin (CDPn) and 6-Deoxy-6-[1-(4-amino)butylamino]-b-Cyclodextrin (CDBn) were assessed with a view to demonstrating that increasing the chain length of the diaminoalkane moiety can affect the chiral selectivity of the metallo-complexes of these materials. It was shown that IR and Raman spectroscopies can be used to characterise these compounds. The results obtained from the electronic absorption spectra suggested the formation of CuCDAm binary complexes and that the derivatives CDEn and CDPn act as bidentate ligands while CDBn acts as a monodentate ligand due to its longer alkane chain. This study also showed that in the ternary complexes …