Substituted pyrazoles

Details Substituted pyrazoles Substituted pyrazoles

1987-08-06

1989-10-31

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548182, 548183, 548127, 548202, 548225, 548226, 548228, 548235, 548255, 548335, 548337, 548358, 548363, 548365, 548373, 548376, C07D23112, C07D23114, C07D23118

Patent

active

048778834

ABSTRACT:
The synthesis of quaternary five membered N-n-alkyl-heterocycles, especially of 4-hydroxy-N(1)-n-alkyl-imidazolium, 2,5-substituted N(3)-n-alkyl-thiazolium and substituted N(2) pyrazolium salts are described. The N-surfactants obtained have a very small critical micelle concentration (CMC) of 10.sup.-5 -10.sup.-7 Mol/Liter, and are capable of forming micelles of different sizes and forms depending on the nature of the anions. The N-detergents can be used as pharmaceuticals.

REFERENCES:
patent: 4207326 (1980-06-01), Richter et al.

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