Ion pair recognition by Zn–porphyrin/crown ether conjugates: visible sensing of sodium cyanideElectronic supplementary information (ESI) available: selected spectral data for 3a and 3b, detailed dimerization phenomena, and Fig. S1–8. See http://www.rsc.org/suppdata/cc/b1/b109596j/
Chemical Communications2002Iss. 5, pp. 512–513
Citations Over TimeTop 10% of 2002 papers
Abstract
Synthesis and complexation behavior of ditopic neutral receptors composed of both a Lewis-acidic binding site (zinc porphyrin moiety) and a Lewis-basic binding site (crown ether moiety) are reported; the receptors bound only NaCN in a ditopic fashion with a color change, and in contrast other sodium salts bound to the receptors in a monotopic fashion without a color change.
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