Bligh, Annie Sim WanAnnie Sim WanBlighChowdhury, A. H. M. S.McPartlin, M.Scowen, I. J.Bulman, R. A.2021-12-212021-12-211995https://repository.sfu.edu.hk/handle/sfu/2093A series of bulky and neutral gadolinium complexes of [bis(R-amide)dtpaH₃] (where R = Prⁱ,, Buⁱ,, Bz and phenylethyl, L¹--L⁴)) with potential application as contrast agents for magnetic resonance imaging has been prepared and characterized ; the relaxivity of these complexes is comparable to the contrast agent [Gd(dtpa)(H₂OO)]; which is which is currently used in clinics; the X-ray structure analysis of the gadolinium(III) complex of L³ reveals a neutral nine-coordinate complex featuring a water molecule in the tricapped trigonal prismatic metal coordination sphere.enjournal article10.1016/0277-5387(94)00318-9