GC-MS Discrimination of Citrulline from Ornithine and Homocitrulline from Lysine by Chemical Derivatization: Evidence of Formation of <i>N</i>⁵-Carboxy-ornithine and <i>N</i>⁶-Carboxy-lysine

Derivatization of amino acids by 2 M HCl/CH₃OH (60 min, 80 °C) followed by derivatization of the intermediate methyl esters with pentafluoropropionic anhydride (PFPA) in ethyl acetate (30 min, 65 °C) is a useful two-step derivatization procedure (procedure A) for their quantitative measur...

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Hlavní autoři:	Svetlana Baskal, Alexander Bollenbach, Dimitrios Tsikas
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	MDPI AG 2021-04-01
Edice:	Molecules
Témata:	amino acids derivatization esterification GC-MS pentafluoropropionic anhydride ureide
On-line přístup:	https://www.mdpi.com/1420-3049/26/8/2301
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