Fig. 2

Organocatalytic ROP of α-amino acid N-carboxyanhydride (NCA) by fluorinated alcohol. a schematic diagram of the roles of fluorinated alcohol catalyst played during polymerization; b (co)polymerization of Glu-NCA, Lys-NCA, and Alkynyl-NCA initiated by DMEA in the presence of fluorinated alcohol catalyst 1,3-Bis-HFAB