ISSN:
0018-019X
Keywords:
Chemistry
;
Organic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Binding of chloride anion by protonated polyamines was investigated by 35Cl—NMR spectroscopy. The presence of protonated macro(poly)cyclic polyamines caused downfield shifts and significant line broadening of the 53Cl—NMR signals. 35Cl—NMR spectroscopy was used for complex-formation stoichiometry determination and revealed the formation of a binuclear chloride complex with the fully protonated ditopic hexaazamacrocyclic receptor 6. 35Cl—NMR spectroscopy was also applied in competition experiments between Cl— and SO42- and demonstrated that the fully protonated macrocyclic hexaamine 4 forms a strong complex with SO4-2 with 1:1 stoichiometry.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/hlca.19890720526
