The β-(trimethylsilyl)ethoxycarbonyl amino-protecting group is de-blocked in acetonitrile at 50 °C by the specific reagent tetraethylammonium fluoride with the formation of gaseous by-products.
L. A. Carpino, J.-H. Tsao, H. Ringsdorf, E. Fell and G. Hettrich, J. Chem. Soc., Chem. Commun., 1978, 358 DOI: 10.1039/C39780000358
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