Imidozopyrionidines and their use in pharmaceutical preparations
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United States of America Patent
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Sep 26, 1989
Grant Date -
N/A
app pub date -
Aug 6, 1987
filing date -
Aug 7, 1986
priority date (Note) -
Expired
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Abstract
The synthesis of 7-n-alkyl-imidazolium[4,5-d]-pyrimidines, 6-substituted-3n-alkyl-benzimidazolium- and 3n-alkyl-5,6-substituted-benzthiazolium salts are described. There N.sup.+ -surfactants having a substituted heterocycle as a head group have distinguished small critical micelle concentrations (CMC) in the range of 10.sup.-5 -10.sup.-7 Mol/Liter. The size and shape of these micelles in watery solutions are determined by the nature of the anion. The N-surfactants can be used as pharmaceuticals as well as reporter groups in fluorescence studies including immunological assays.
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