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Direct alkylation of carboxylic in aqueous samples (1986)

Skow, C. A. R. ; Bicking, M. K. L.

Springer

Chromatographia 21 (1986), S. 157-160

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ISSN: 1612-1112

Keywords: Gas chromatography ; Alkylation ; Carboxylic acids ; Urine analysis ; Micelles

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary Carboxylic acids can be converted to their methyl esters in an aqueous sample which contains no organic solvent. The reaction appears to be assisted by the presence of a quaternary ammonium salt surfactant. The procedure is best described as a pseudo-organic phase, or micelle-like, reaction. The important experimental variables have been optimized by Simplex procedures. The reaction proceeds in 80–100% yield, for common carboxylic acids, at room temperature in less than one hour. This reaction is superior to existing two-phase extractive alkylation procedures.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02311745

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