Preparation of alkali metal acyl amino acids

Details Preparation of alkali metal acyl amino acids Preparation of alkali metal acyl amino acids

C - Chemistry, Metallurgy

07

C

C07C 233/46 (2006.01) C07C 231/02 (2006.01) C07C 233/49 (2006.01) C07C 319/20 (2006.01) C07C 323/59 (2006.01) C07D 207/16 (2006.01)

Patent

CA 2220528

A process of preparing alkali metal N-acyl amino acids, especially sodium N- acyl sarcosinates. The process of the invention eliminates the use of phosphorus trichloride or thionyl chloride and carboxylic acid chlorides. The process involves reacting the alkali metal N-acyl amino acid directly with a fatty acid at elevated temperatures with constant removal of water generated in the reaction.

La présente invention concerne un procédé de préparation d'acides aminés N-acyle de métaux alcalins, et plus particulièrement de sarcosinates N-acyle de sodium. Le procédé de l'invention supprime l'utilisation de trichlorure phosphoreux ou de chlorure de thionyle et de chlorures d'acide carboxylique. Ce procédé consiste à faire réagir l'acide aminé N-acyle de métal alcalin directement avec un acide gras à des températures élevées avec élimination continue de l'eau dégagée par la réaction.

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