DyCl3.xH2O → 6-((4,7-bis((6-carboxy-4-(2,4,6-trimethoxyphenyl)pyridin-2-yl)methyl)-1,4,7-triazonan-1-yl)methyl)-4-(2,4,6-trimethoxyphenyl)pyridine-2-carboxylic acid dysprosium(III)

Participants

Role	Name	HCID	Charge
Reactant	DyCl3.xH2O	HCID 9795389	—
Reactant	Ethyl 6-((4,7-bis((6-(ethoxycarbonyl)-4-(2,4,6-trimethoxyphenyl)-pyridin-2-yl)methyl)-1,4,7-triazonan-1-yl)methyl)-4-(2,4,6-trimethoxyphenyl)-pyridine-2-carboxylate	HCID 11194088	—
Product	6-((4,7-bis((6-carboxy-4-(2,4,6-trimethoxyphenyl)pyridin-2-yl)methyl)-1,4,7-triazonan-1-yl)methyl)-4-(2,4,6-trimethoxyphenyl)pyridine-2-carboxylic acid dysprosium(III)	HCID 86621480	—

Deprotection of compound 21 followed by treatment with dysprosium chloride as described in Example 20 yielded the title compound.