Method for producing stabilized imidazoline derivatives

Details Method for producing stabilized imidazoline derivatives Method for producing stabilized imidazoline derivatives

1988-02-16

1989-08-08

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548347, 548352, C07D23304

Patent

active

048554405

ABSTRACT:
Disclosed is a method for stabilizing the color of liquid imidazolines which comprises pre-treating a polyamine with an effective amount of a hydride, preferably a borohydride, followed by its reaction with a fatty acid or ester thereof under amide-forming reaction conditions to make an amide intermediate, followed by subjecting said amide intermediate to imidazoline-forming reaction conditions to make said color-stablized imidazoline product.

REFERENCES:
patent: 3468904 (1969-09-01), Kritchevky
patent: 4189593 (1980-02-01), Wechsler et al.

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