Is macrocycle a synonym for kinetic inertness in Gd (III) complexes? Effect of coordinating and noncoordinating substituents on inertness and relaxivity of Gd (III) …
M Polasek, P Caravan
Index: Polasek, Miloslav; Caravan, Peter Inorganic Chemistry, 2013 , vol. 52, # 7 p. 4084 - 4096
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Citation Number: 22
Abstract
Macrocyclic DO3A-like ligands with one acetate moiety replaced with bidentate (methyl picolinate or ethoxyacetate) or bulky monodentate (methyl phosphonate) donor arm provided monohydrated gadolinium (III) complexes. The water residency times spanned 2 orders of magnitude from very fast (ns) to very slow (ms) exchange regimes. Despite coordination of all donor atoms, these complexes showed surprisingly low kinetic ...
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