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N-functionalization of Poly(ethylene Glycol)-Linked Mono- And Bis-Dioxocyclams as Potential Ligands for Gd3+

N-functionalization of Poly(ethylene Glycol)-Linked Mono- And Bis-Dioxocyclams as Potential Ligands for Gd3+

Todd A Brugel, L S Hegedus

J Org Chem. 2003 Oct 31;68(22):8409-15.

PMID: 14575465

Abstract:

A number of highly functionalized dioxocyclams with acetic acid side chains on the secondary amine sites and ethylene glycol side chains on 6 and 13-positions (12a, 12b) or a tetra(ethylene glycol) side chain linking the 6 and 13 positions (15) were synthesized and characterized, as was a bis-dioxocyclam bridged across the 6 and 13 positions by tetra(ethylene glycol) groups (16). These were screened for their ability to complex Gd3+. Only ligands 15 and 16, having tetra(ethylene glycol) groups, formed such complexes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP24991535	Poly(ethylene glycol) bis(amine)		24991-53-5	Price

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