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Host–guest complexation of imine‐type meta‐bridged bis(benzo crown ether)s with alkali cations in the gas phase under fast atom bombardment conditions
Author(s) -
Reiche K. B.,
Starke I.,
Kleinpeter E.,
Holdt H. J.
Publication year - 1998
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/(sici)1097-0231(19980815)12:15<1021::aid-rcm270>3.0.co;2-i
Subject(s) - chemistry , crown ether , alkali metal , fast atom bombardment , imine , ether , crystallography , phase (matter) , polymer chemistry , medicinal chemistry , ion , organic chemistry , catalysis
The complexation of a series of bis(benzo crown ether)s of variable ring size and length of the linking chain with Na + , K + and Cs + was studied in the gas phase by fast atom bombardment mass spectrometry in nitrobenzyl alcohol/glycerol as a matrix. Both 2:1 (conventionally within the cavity of the crown ether units) and 1:1 complexes (a sandwich‐like structure) were found depending on the cavity size of the crown units, the outer diameter of the complexing cations and the length and flexibility of the linking chain. © 1998 John Wiley & Sons, Ltd.