Process for the synthesis of cationic surfactants comprising est

Details Process for the synthesis of cationic surfactants comprising est Process for the synthesis of cationic surfactants comprising est

1996-09-10

1998-07-14

Higel, Floyd D.

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

554 59, 424 65, 424 7031, 426323, 426332, 426335, 252 891, C07C27708, C07C23102, C07C27914, A23L 335, A61K 7075, A61K 732

Patent

active

057806586

ABSTRACT:
The process of the invention is directed to the synthesis of cationic type surfactant compounds consisting of natural basic-character amino acids, and any of their homologs, suitably modified for the purpose of obtaining products having specific applications as antimicrobial (biocidal) agents. The process comprises a first step of esterification of an amino acid, and a second step of the condensation of a fatty acid chloride with an esterified amino acid derivative. Nontoxic reaction media and catalysts are used, and a final product free from impurities is obtained. The cost of the process of the invention is reduced from prior art processes due to the use of cheaper starting materials and simpler equipment.

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Infante et al I, Chemical Abstracts, vol. 103, #22378a, 1985.
Dominguez et al, Chemical Abstracts, vol. 99, #122920a, 1983.
Infante et al II, Chemical Abstracts, vol. 119, 190 119990p, 1993.

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