diethyl (ethoxymethylene)malonate

The synthesis of ethyl 4-oxo-1,4-dihydroquinoline-3-carboxylates (4, 5) was performed via the reaction of corresponding anilines… Expand

A rapid HPLC method has been developed for the simultaneous determination of 23 amino acids, 10 biogenic amines and the ammonium… Expand

For liquid chromatographic analysis of amino acids involving derivatization and mass-spectrometric detection, it becomes more… Expand

Derivatisation treatment with diethyl ethoxymethylenemalonate followed by ultra-HPLC allowed the simultaneous quantification of… Expand

This paper reports on the development of an optimized method for the simultaneous analysis of eight biogenic amines (histamine… Expand

For reversed phase separation amino acids are usually derivatized. Several derivatization reactions are carried out at basic pH… Expand

In case of some foods and drinks, their amino acid content is demonstrated to correlate with the botanical and/or geographical… Expand

The free amino acid content of 61 honey samples from Estonia has been determined by HPLC-UV with precolumn derivatization with… Expand

Amino-substituted pyrido[2,3-d]pyrimidinediones have previously been found to bind to adenosine A1 and A2A receptors in… Expand

Amino acids were determined by precolumn derivatization with diethyl ethoxymethylenemalonate and reversed-phase high-performance… Expand