INFORMATION

What's New

Pis-protected Amino Acids

2023.06.05


Pis (2-phenylisopropyl) group can be deprotected with 1% TFA in CH2Cl2.

Selective deprotection can be achieved even in the presence of tBu-based protective groups.

 

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Asp Glu
L-form D-form L-form D-form
Pis on α-carboxyl
Fmoc-Asp-OPis Fmoc-D-Asp-OPis Fmoc-Glu-OPis Fmoc-D-Glu-OPis
Pis on ω-carboxyl
Fmoc-Asp(OPis)-OH Fmoc-D-Asp(OPis)-OH Fmoc-Glu(OPis)-OH Fmoc-D-Glu(OPis)-OH