A novel pyridinium betaine derivative of a phenolic cryptand
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1793-1795
- https://doi.org/10.1039/c39930001793
Abstract
The novel pyridinium N-phenoxide betaine has been synthesised as its NaCl adduct 4 which has solvatochromic properties that are similar to those of the classic solvatochromic reagent 1(Reichardt's dye); the derived hydrochloride salt 5 extracts Na+ highly selectively from aqueous solutions into dichloromethane to form the purple NaCl adduct 4.Keywords
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