Citation:
Hong Liang SUN, Yu Qiu GONG. 1HNMR STUDY OF INTRAMOLECULAR STACKING IN TERNARY PALLADIUM (Ⅰ) COMPLEXES INVOLVING ADENOSLNE 5'-TRIPHOSPHATE AND LIGANDS CONTAINING OXYGEN AND/OR NITROGEN AS DONOR ATOMS[J]. Chinese Chemical Letters,
;1995, 6(4): 315-316.
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The intramolecular aromatic-ring stacking interaction of mixed-ligand complexes Pd (A) (ATP)2- in the system Pd2+-A-ATP4- has been determined by 1HNMR,where A=1,10-phenanthroline (Phen),2,2'-bipyridyl (Bpy) and L-tryptophan (Trp-);ATP4-=adenosine 5'-triphosphate.The result indicates that it is the partial stacking between the indole ring of ATP4- and the heterocyclic ring of A that makes H(2),H(8) and H(1') in the ATP4- shift upfield significantly.Accordingly,the order of aromatic-ring interaction in the mixed-ligand complexes has been obtained as follows:Pd (Phen) (ATP)2- > Pd(Bpy) (ATP)2- > Pd(Trp) (ATP)3-.
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