Chemical and Pharmaceutical Bulletin p. 1897 - 1898 (1991)
Update date:2022-07-30
Topics:
Shimada
Oe
A novel derivatization reagent with tetrathiafulvalene as an electrophore, N-succinimidyl tetrathiafulvalene-2-carboxylate, was prepared and evaluated for pre-column labeling of amine by using β-phenethylamine as a model compound in high-performance liquid chromatography with electrochemical detection. The reagent reacted readily with the primary amine at room temperature for 1 h, providing the amide which was highly responsive to an electrochemical detector (detection limit = 21 fmol, signal to noise ratio = 5) at a relatively low applied potential (+700 mV vs. Ag/AgCl). The characteristic two-stage oxidative pattern appeared on the hydrodynamic voltammogram of the derivative, which helped to identify the peak on the chromatogram.
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