The synthesis and characterisation of symmetrical glycosylated neutral and
cationic porphyrin dimers linked at the meso-position via a flexible hydroc
arbon chain to improve targeting on malignant cells is reported. Photocytot
oxicity of these compounds against the K562 leukemia cell line compared to
the effect of hematoporphyrin is also presented. (C) 2000 Elsevier Science
Ltd. All rights reserved.