Issue 6, 2008
From the journal:

CrystEngComm

Unusual pH value dependent encapsulation and release of water–methanol binary guests by a cryptand host†

Li-Zi Yang,a   Long Jiang,a   Xiao-Long Fenga  and  Tong-Bu Lu*a  

* Corresponding authors

a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, China

Abstract

The cryptand L shows pH value dependent guests encapsulating and releasing ability (L = N[(CH2)2NHCH2(C6H4-p)CH2NH(CH2)2]3N). At pH = 7, the water–methanol binary guests were encapsulated in the cavity of a tetraprotonated cryptand [H4L] 4+, whereas they were released upon increasing the pH value to 9.

Graphical abstract: Unusual pH value dependent encapsulation and release of water–methanol binary guests by a cryptand host

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Article information

DOI
https://doi.org/10.1039/B717967G
Article type
Communication
Submitted
20 Nov 2007
Accepted
18 Feb 2008
First published
10 Mar 2008

CrystEngComm, 2008,10, 649-651

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Unusual pH value dependent encapsulation and release of water–methanol binary guests by a cryptand host

L. Yang, L. Jiang, X. Feng and T. Lu, CrystEngComm, 2008, 10, 649 DOI: 10.1039/B717967G

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