Figure 7.
ROMP polymers based on HOPO ligands developed by Allen et al.33 a) Structure of Gd-HOPO ROMP monomer. b) Structure of HOPO random copolymer with DP of 8 and 30 respectively c) Relaxivity of Gd-HOPO monomers and copolymers. Figure adapted from and reproduced with permission from Allen, M. J.; Raines, R. T.; Kiessling, L. J. J. Am. Chem. Soc. 2006, 128, 6534–5.33