𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Gas chromatographic determination of amines, aminoalcohols and acids after treatment with alkyl chloroformates

✍ Scribed by Petr Hušek; Zhi-Heng Huang; Charles C. Sweeley


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
466 KB
Volume
259
Category
Article
ISSN
0003-2670

No coin nor oath required. For personal study only.

✦ Synopsis


Ammes such as tyramme, ttyptamme, spermme, and spemudme, ammoalcohols (catecholammes and related compounds), and their acuiic metabohtes were treated wth methyl or ethyl chloroformate m either sodmm bicarbonate solutlon (10 mm at 247'0 or m a medmm of aqueous acetomtrlle contammg methanol (or ethanol) and pyndme for Instantaneous derlvatlzatlon Gas chromatographx (GC) analysis revealed that ammoalcohols with a free alcohol group can be analyzed by GC with a fused-sdlca capdlary column and that the denvatrzatlon yields by both procedures were comparable Complete derwatrzatlon of the acxhc metabohtes, however, was possible only by the latter procedure Mass spectra of some of the derwatlzed compounds are Included kkywordr Gas chromatography, Akyl chloroformates, Ammes, Ammoalcohols


📜 SIMILAR VOLUMES


Fast esterification of fatty acids with
✍ Hušek, Petr ;Rijks, Jacques A. ;Leclercq, Piet A. ;Cramers, Carl A. 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 499 KB

## Abstract Alkyl chloroformates with methyl, ethyl, and 2‐chloroethyl substituents can instantaneously esterify fatty acids under proper reaction conditions. Apart from the formation of the corresponding alkyl esters, even the alkoxycarbonyl esters can be prepared. These derivatives are useful for

Chromatographic determination of biogeni
✍ Hai-Liang Jiang; Li-Yan Ying; Sai-Chun Zhou; Min Ying; Wei Shen; Dong-He Qiu 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 172 KB

## Abstract Room temperature ionic liquids (RTIL), 1‐butyl‐3‐methylimidazolium hexafluorophosphate ([C~4~MIM][PF~6~]), were used as the novel media for derivatization, extraction and preconcentration of biogenic amines (BAs) in wines. Six BAs, tryptamine (Try), phenylethylamine (Phe), putrescine (P

Liquid chromatographic fluorescence dete
✍ Rita Gatti; Maria Grazia Gioia 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 268 KB 👁 2 views

## Abstract Phanquinone (4,7‐phenanthroline‐5,6‐dione) has been investigated as a pre‐column derivatization fluorogenic reagent for liquid chromatographic determination of primary amino acids in biological samples. The derivatization reaction was carried out at 68°C both in the presence of aqueous

Simultaneous determination of dimethylar
✍ Zoltán Mester; Gyula Horváth; György Vitányi; László Lelik; Péter Fodor 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 120 KB 👁 2 views

A gas chromatography/mass spectrometry (GC/MS) method has been developed to determine two methylated arsenic species in human urine samples. The yield of derivatization for dimethylarsinic acid (DMA) and monomethylarsonic acid (MMA) using thioglycol methylate (TGM) was measured. The detection limit