Summary
DAST [(diethylamino)sulfur trifluoride] has shown to be an excellent alternative fluorinating agent for synthesis of Fmoc-amino acid fluorides. The use of DAST is advantageous relative to other fluorinating agents, such as cyanuric fluoride, since handling and isolation of the acid fluorides are facile.
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Kaduk, C., Wenschuh, H., Beyermann, M. et al. Synthesis of Fmoc-amino acid fluorides via DAST, an alternative fluorinating agent. Lett Pept Sci 2, 285–288 (1996). https://doi.org/10.1007/BF00142240
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DOI: https://doi.org/10.1007/BF00142240