Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-(p-Tolyl)-2,2:6,2-terpyridine, is researched, Molecular C22H17N3, CAS is 89972-77-0, about ZnII-2,2′:6′,2”-Terpyridine-Based Complex as Fluorescent Chemosensor for PPi, AMP and ADP.Recommanded Product: 4-(p-Tolyl)-2,2:6,2-terpyridine.
A new ZnII-2,2′:6′,2”-terpyridine complex, derivatized with a coumarin moiety (L1Zn), acts as a fluorescent chemosensor for different biol. important phosphates like PPi, AMP and ADP in mixed aqueous media. Depending on the proportion of the aqueous fraction present in the solvent mixture, L1Zn shows a preference for different phosphate moieties at physiol. pH. In an aqueous acetonitrile (2:3, volume/volume) medium this reagent shows a preference for AMP as compared to ADP, ATP and PPi. The binding affinities of L1Zn with different phosphate ions and associated shifts in the electronic spectra were rationalized by DFT calculations Such an example of a receptor that is selective for AMP under physiol. conditions is rare in the literature.
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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI