11 research outputs found
Notizen: Facile Synthesis of N-Permethylspermine and N-Permethylspermidine from their Unmethylated Precursors
Get PDFA rapid synthesis of the title compounds employing formaldehyde and sodium borohydride in acidic aqueous solution in combination with the unmethylated amines is described. High yields and the characteristics of the methylated amines allow the application of the method to gas chromatographic and mass spectrometric analyses
Notizen: Facile Synthesis of N-Permethylspermine and N-Permethylspermidine from their Unmethylated Precursors
Get PDFA rapid synthesis of the title compounds employing formaldehyde and sodium borohydride in acidic aqueous solution in combination with the unmethylated amines is described. High yields and the characteristics of the methylated amines allow the application of the method to gas chromatographic and mass spectrometric analyses
Improved Method for the Analysis of Organic Acids and New Derivatization of Alcohols in Complex Natural Aqueous Matrixes:Â Application to Wine and Apple Vinegar
No full textPreparation, spectroscopic properties, and ion chemistry of 3-diazo-1,1,1-trifluoro-2-propanone
No full text
