Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...
Patent
1987-08-06
1989-09-26
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen bonded directly to ring carbon of the purine ring...
544112, 544242, 544265, 544267, 544309, 544311, 544313, 544334, 544407, 546255, 546267, 546290, 546347, 548152, 548178, 548202, 548326, 548335, 548373, 548375, C07D47304
Patent
active
048701742
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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Daus Donald G.
Medice chem.-pharm. Fabrik
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