Skip to main content
. Author manuscript; available in PMC: 2009 Oct 2.
Published in final edited form as: Eur J Inorg Chem. 2007 Jul 31;2007(27):4340–4349. doi: 10.1002/ejic.200700354

Table 4.

Comparison of the formation rate constants for [Ln{DOTA-(MeAm)4}]3+ (k0, M−1 s−1), [Ln(DOTAM)]3+, and [Ln(DOTA)]− complexes.

Ln3+ Ce3+ Eu3+ Lu3+
DOTAMa 7.7 ×103 2.7 ×104 6.6 ×103 d
DOTA-(AmMe)4 (3.0 ± 0.1) ×104 (4.8 ± 0.1) ×104 (6.5 ± 0.7) ×103
DOTA 3.5 ×106b 1.1 ×107 4.1 ×107 b,d
2.7 ×106c 9.3 ×107 c,d
a

Ref.[30]

b

Ref.[9]

c

Ref.[10]

d

Refers to the Yb3+ complex.