Turning on the red phosphorescence of a [Ru(tpy)(bpy)(Cl)]Cl complex by amide substitution: self-aggregation, toxicity, and cellular localization of an emissive ruthenium-based amphiphile

Coupling the notoriously non-emissive complex [Ru(tpy)(bpy)Cl]Cl (tpy = 2,2':6',2''-terpyridine, bpy = 2,2'-bipyridine) to a C alkyl chain via an amide linker on the 4' position of the terpyridine yielded a new amphiphilic ruthenium complex showing red emission and chlo...

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Published in:Chemical communications (Cambridge, England) England), 2017-10, Vol.53 (81), p.11126-11129
Main Authors: Siewert, B, Langerman, M, Hontani, Y, Kennis, J T M, van Rixel, V H S, Limburg, B, Siegler, M A, Talens Saez, V, Kieltyka, R E, Bonnet, S
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cited_by cdi_FETCH-LOGICAL-c323t-6c0da0b0fb3edb3a44c6fdf485e8a8579ca965bacbe871089e13949d7e7e0d8e3
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container_end_page 11129
container_issue 81
container_start_page 11126
container_title Chemical communications (Cambridge, England)
container_volume 53
creator Siewert, B
Langerman, M
Hontani, Y
Kennis, J T M
van Rixel, V H S
Limburg, B
Siegler, M A
Talens Saez, V
Kieltyka, R E
Bonnet, S
description Coupling the notoriously non-emissive complex [Ru(tpy)(bpy)Cl]Cl (tpy = 2,2':6',2''-terpyridine, bpy = 2,2'-bipyridine) to a C alkyl chain via an amide linker on the 4' position of the terpyridine yielded a new amphiphilic ruthenium complex showing red emission and chloride-dependent aggregation properties. This emissive complex is highly cytotoxic in A549 non-small lung cancer cells where it can be followed by confocal microscopy. Uptake occurs within minutes, first by insertion into the cellular membrane, and then by migration to the peri-nuclear region.
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title Turning on the red phosphorescence of a [Ru(tpy)(bpy)(Cl)]Cl complex by amide substitution: self-aggregation, toxicity, and cellular localization of an emissive ruthenium-based amphiphile
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