Issue 16, 2007

Reversible solid-state reaction between 18-Crown[6] and M[H2PO4] (M = K, Rb, Cs) and an investigation of the decomplexation process

Abstract

On heating the hydrated complexes 18-Crown[6]·M[H2PO4xH2O (x = 2 for M = K, Rb; x = 1.5 for M = Cs), quantitatively prepared by mechanical mixing of crystalline 18-Crown[6] and M[H2PO4], to ca. 60 °C, water loss takes place, accompanied by the extrusion of the crown ether from the crystalline complex and followed by reconstruction of the inorganic phase M[H2PO4] (M = K, Rb, Cs); the resulting solid mixture reverts to 18-Crown[6]·M[H2PO4xH2O (x = 2 for M = K, Rb; x = 1.5 for M = Cs) upon grinding in air.

Graphical abstract: Reversible solid-state reaction between 18-Crown[6] and M[H2PO4] (M = K, Rb, Cs) and an investigation of the decomplexation process

Supplementary files

Article information

Article type
Communication
Submitted
13 Feb 2007
Accepted
09 Mar 2007
First published
19 Mar 2007

Chem. Commun., 2007, 1594-1596

Reversible solid-state reaction between 18-Crown[6] and M[H2PO4] (M = K, Rb, Cs) and an investigation of the decomplexation process

D. Braga, M. Polito, E. Dichiarante, K. Rubini and F. Grepioni, Chem. Commun., 2007, 1594 DOI: 10.1039/B702301D

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