Fig. 2: Structural impact of CE and its analogs on the catalysis.
From: Accelerated polymerization of N-carboxyanhydrides catalyzed by crown ether
a Chemical structures of CEs. b Chemical structures of LE analogs. c Semilogarithmic kinetic plot of polymerization of BLG-NCA in DCM initiated by Hex-NH2 in the presence of various CEs. d Semilogarithmic kinetic plot of polymerization of BLG-NCA in DCM initiated by Hex-NH2 in the presence of various LE analogs. [M]0/[I]0 = 100, [I]0 = [CE/LE]0 = 0.5 mM.
