Neutral complexing agents with a cyclitol core. Effect of the relative orientation of the sidearms and end groups on the cation binding ability of myo-inositol based podands

myo-Inositol derived podands were synthesized and the extent of their binding with picrates of alkali metals, ammonia and silver was estimated. These podands bind very well with lithium and silver picrates but show moderate to poor binding toward sodium, potassium, caesium and ammonium picrates. The...

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Bibliographic Details
Published in:Perkin 2 : an international journal of physical organic chemistry 2001-11 (12), p.2298-2302
Main Authors: Sureshan, Kana M., Shashidhar, Mysore S., Varma, Anjani J.
Format: Article
Language:English
Subjects:
Alkali metals
Biological materials
Complexation
Positive ions
Synthesis (chemical)
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Summary:myo-Inositol derived podands were synthesized and the extent of their binding with picrates of alkali metals, ammonia and silver was estimated. These podands bind very well with lithium and silver picrates but show moderate to poor binding toward sodium, potassium, caesium and ammonium picrates. The ion selectivity and the strength of binding are dependent on the relative orientation of the sidearms (1,3-diaxial, 1,2-diequatorial and 1,2-axial-equatorial) as well as on the nature of the end group present in the podands.
ISSN:1472-779X
0300-9580
1364-5471
DOI:10.1039/b106717f