Chelate complexes and processes for their preparation

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Silicon containing doai

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540 3, 540 4, 514176, 514183, A61K 3140, C07J 7300

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active

053589408

ABSTRACT:
Naphthalocyanine-chelate complexes of formula I ##STR1## are described which contain as central atom M aluminum, gallium, indium, fin, ruthenium or preferably germanium and in which the remaining symbols are as defined in claim 1. The complexes can be used inter alia in the photodynamic chemotherapy of tumors.

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