The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl group (Pbf) as arginine side chain protectant. Carpino, L. A., Shroff, H., Triolo, S. A., Mansour, E. S. M. E., Wenschuh, H., & Albericio, F. Tetrahedron Letters, 34(49):7829–7832, 1993.
doi  abstract   bibtex   
The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl residue (Pbf) is more easily deblocked by trifluoroacetic acid (TFA) than the corresponding Pmc analog and can be used efficiently in the synthesis of arginine-containing peptides. © 1993.
@article{carpino_22467-pentamethyldihydrobenzofuran-5-sulfonyl_1993,
	title = {The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl group ({Pbf}) as arginine side chain protectant},
	volume = {34},
	issn = {00404039},
	doi = {10.1016/S0040-4039(00)61487-9},
	abstract = {The 2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl residue (Pbf) is more easily deblocked by trifluoroacetic acid (TFA) than the corresponding Pmc analog and can be used efficiently in the synthesis of arginine-containing peptides. © 1993.},
	number = {49},
	journal = {Tetrahedron Letters},
	author = {Carpino, Louis A. and Shroff, Hitesh and Triolo, Salvatore A. and Mansour, El Sayed M. E. and Wenschuh, Holger and Albericio, Fernando},
	year = {1993},
	pages = {7829--7832},
}

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