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Allosteric silver(I) ion binding with peripheral pi clefts of a Ce(IV) double decker porphyrin
M Ikeda1, T Tanida, M Takeuchi
1Department of Chemistry and Biochemistry, Graduate school of Engineering, Kyushu University, Fukuoka 812-8581, Japan.
Organic Letters
|July 13, 2000
Abstract:
[reaction: see text] A cerium(IV) double decker porphyrin (1) bearing four 4-methoxyphenyl groups was synthesized. Compound 1 shows a positive, homotoropic allosteric effect in metal recognition of Ag(+) ion, and the peripheral pi clefts of 1 act as effective binding sites for Ag(+) ion.