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. 2021 Dec 24;12(1):15. doi: 10.3390/metabo12010015

Figure 4.

Figure 4

The typical scheme of trimethylsilylation. Bimolecular nucleophilic substitution (SN2) replaces the active hydrogen (-OH, -COOH, -NH, -NH2, and -SH) by the trimethylsilyl group. Compared to the initial compounds, silylated derivatives generally are more volatile and thermally stable, thus yielding advanced separation of symmetric and narrow chromatographic peaks.