Cellular uptake studies of two hexanuclear, carboxylate bridged, zinc ring structures using fluorescence microscopyElectronic supplementary information (ESI) available. CCDC 874999 and 875000. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c2cc32060f

Two hexanuclear zinc complexes have been structurally characterized, and evaluation against several cells showed selective toxicity. Cellular uptake revealed a non-specific process, resulting in accumulation within the cell cytoplasm. Two hexanuclear zinc ring complexes have been structurally characterized, and evaluation against several cell lines showed selective toxicity. Their cellular uptake revealed a non-specific process, resulting in accumulation within the cell cytoplasm.