Cancer Letters 1992-08-14

Si(IV)-naphthalocyanine: modulation of its pharmacokinetic properties through the use of hydrophilic axial ligands.

C Bellemo, G Jori, B D Rihter, M E Kenney, M A Rodgers

文献索引：Cancer Lett. 65(2) , 145-50, (1992)

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摘要

A water-soluble derivative of the highly hydrophobic molecule Si(IV)-naphthalocyanine was synthesized by the addition of two polyethyleneglycol ligands in axial positions to the centrally coordinated Si(IV) ion. The compound can be intravenously injected in homogeneous aqueous solution, where it is largely aggregated and remains mostly in an unbound state. While the naphthalocyanine is accumulated in significant amounts by an intramuscularly transplanted MS-2 fibrosarcoma in Balb/c mice, the dye shows little tumour selectivity and essentially no phototherapeutic activity. The situation is not improved by association of the naphthalocyanine with dipalmitoyl-phosphatidylcholine liposomes, probably owing to a lack of incorporation of the bulky dye molecule into the phospholipid bilayer.

相关化合物

  • 2,3-萘醛花青苷染料

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