PE9098A1 - PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS - Google Patents

PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS

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Publication number
PE9098A1
PE9098A1 PE00053596A PE00053596A PE9098A1 PE 9098 A1 PE9098 A1 PE 9098A1 PE 00053596 A PE00053596 A PE 00053596A PE 00053596 A PE00053596 A PE 00053596A PE 9098 A1 PE9098 A1 PE 9098A1
Authority
PE
Peru
Prior art keywords
esterified
condensation
synthesis
procedure
application
Prior art date
Application number
PE00053596A
Other languages
Spanish (es)
Inventor
Martinez-Pardo Marta Rosa Infante
Mestres Agustin Contijoch
Serrabasa Pilar Erra
Original Assignee
Miret Lab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miret Lab filed Critical Miret Lab
Priority to PE00053596A priority Critical patent/PE9098A1/en
Publication of PE9098A1 publication Critical patent/PE9098A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

CARACTERIZADO PORQUE COMPRENDE: 1) ESTERIFICAR EL GRUPO CARBOXILO DEL O-AMINOACIDO CON ALCOHOLES C1-C12, AGREGANDO A ESTA SUSPENSION CLORURO DE TIONILO COMO CATALIZADOR; 2) CONDENSAR EL GRUPO AMINO DEL ESTER DEL O-AMINOACIDO CON EL CLORURO DEL ACIDO GRASO C8-C14 O DEL HIDROXIACIDO DE LA MISMA LONGUITUD DE CADENA, AGREGANDO NaOH HASTA UN pH ENTRE 8 Y 10; 3) AJUSTAR EL pH ENTRE 6 Y 7; 4) CENTRIFUGAR EL CRUDO DE LA REACCION, SEPARANDO EL PRODUCTO DESEADO QUE COMPRENDE UNA FORMULA (I), EN DONDE: X- ES Br, Cl O (HSO4)-; R1 ES UN ALQUILO LINEAL C8-C14; R2 ES UN ALQUILO LINEAL C1-C12, ENTRE OTROS; R3 ES -NH3, (A) O (B); n ES 0; 1; 2; 3 o 4; OBTENIENDOSE PREFERENTEMENTE EL MONOCLORHIDRATO DE LA LAURAMIDA DEL ESTER ETILICO DE LA L(+)ARGININA. SON TENSIOACTIVOS CATIONICOS QUE PRESENTAN ACTIVIDAD CONSERVANTE ANTIMICROBIANA, SIENDO UTILES EN LA INDUSTRIA CARNICA, COSMETICA Y DERMOFARMACEUTICA, ENTRE OTRASCHARACTERIZED BECAUSE IT INCLUDES: 1) ESTERIFYING THE CARBOXYL GROUP OF O-AMINO ACID WITH C1-C12 ALCOHOLS, ADDING TO THIS SUSPENSION THIONYL CHLORIDE AS A CATALYST; 2) CONDENSATE THE AMINO GROUP OF THE ESTER OF THE O-AMINO ACID WITH THE CHLORIDE OF THE FATTY ACID C8-C14 OR OF THE HYDROXIACID OF THE SAME CHAIN LENGTH, ADDING NaOH UP TO A pH BETWEEN 8 AND 10; 3) ADJUST THE pH BETWEEN 6 AND 7; 4) CENTRIFUGE THE CRUDE FROM THE REACTION, SEPARATING THE DESIRED PRODUCT THAT INCLUDES A FORMULA (I), WHERE: X- ES Br, Cl O (HSO4) -; R1 IS A C8-C14 LINEAR ALKYL; R2 IS A LINEAR ALKYL C1-C12, AMONG OTHERS; R3 IS -NH3, (A) O (B); n IS 0; one; two; 3 or 4; PREVENTINGLY OBTAINING THE LAURAMIDE MONOCLORHIDRATO OF THE ETHYL ESTER OF L (+) ARGININA. They are cationic surfactants that present an antimicrobial preservative activity, being useful in the meat, cosmetics, and dermopharmaceutical industries, among others.

PE00053596A 1996-07-16 1996-07-16 PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS PE9098A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PE00053596A PE9098A1 (en) 1996-07-16 1996-07-16 PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PE00053596A PE9098A1 (en) 1996-07-16 1996-07-16 PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS

Publications (1)

Publication Number Publication Date
PE9098A1 true PE9098A1 (en) 1998-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PE00053596A PE9098A1 (en) 1996-07-16 1996-07-16 PROCEDURE FOR THE SYNTHESIS OF CATIONIC SURFACES DERIVED FROM THE CONDENSATION OF FATTY ACIDS WITH ESTERIFIED BASIC CHARACTER AMINO ACIDS AND THEIR APPLICATION AS ANTIMICROBIAL AGENTS

Country Status (1)

Country Link
PE (1) PE9098A1 (en)

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