Comparative Study
doi: 10.1016/0731-7085(92)80083-y.
Comparison of 9-fluorenylmethoxycarbonyl and 9-fluoreneacetyl-tagged silica-based derivatization reagents in high-performance liquid chromatography
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- PMID: 1463792
- DOI: 10.1016/0731-7085(92)80083-y
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Comparative Study
Comparison of 9-fluorenylmethoxycarbonyl and 9-fluoreneacetyl-tagged silica-based derivatization reagents in high-performance liquid chromatography
J Pharm Biomed Anal.
1992 Aug.
Abstract
Two silica reagents based on a 4-hydroxy-3-nitrobenzoyl backbone were synthesized and characterized with 9-fluorenylmethoxycarbonyl (FMOC) and 9-fluoreneacetyl (FA) tags. These reagents were tested by derivatization of primary and secondary amines. Derivatization conditions such as temperature, time and triethylamine catalyst were tested. The FA-tagged silica reagent showed better performance than the FMOC-tagged silica reagent by a comparison of derivatization efficiencies, stabilities of reagents, and blank reagent interferences with derivatization. Finally, cadaverine and an aliphatic amine mixture were analysed using the FA-tagged reagent by pre-column, off-line derivatization and fluorescence detection.
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