Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes.

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Title: Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes.
Authors: Miller-Shakesby, David M.1, Burke, Benjamin P.1,2, Nigam, Shubhanchi1,2, Stasiuk, Graeme J.2,3, Prior, Timothy J.1, Archibald, Stephen J.1,2, Redshaw, Carl1
Source: CrystEngComm. 7/14/2016, Vol. 18 Issue 26, p4977-4987. 11p.
Subjects: Rare earth metals, Crystal structure research, Sulfonates, Calixarenes, Coordination polymers
Abstract: A number of p-sulfonatocalix[4]arene complexes of the lanthanides (Tb, Gd, and Eu) have been prepared, some in the presence of tetraazamacrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A), and fully characterised. Crystal structure determinations reveal lanthanide coordination at the sulfonate group, bridging several calixarene units, giving coordination polymers. All complexes in this study have been determined to be relatively non-toxic using in vitro cell assays with CC50 values in the range 30–170 μM. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:A number of p-sulfonatocalix[4]arene complexes of the lanthanides (Tb, Gd, and Eu) have been prepared, some in the presence of tetraazamacrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A), and fully characterised. Crystal structure determinations reveal lanthanide coordination at the sulfonate group, bridging several calixarene units, giving coordination polymers. All complexes in this study have been determined to be relatively non-toxic using in vitro cell assays with CC50 values in the range 30–170 μM. [ABSTRACT FROM AUTHOR]
ISSN:14668033
DOI:10.1039/c6ce00209a