2-indolyl imidazo[4,5-d]phenanthroline derivatives and their...

C - Chemistry – Metallurgy – 07 – D

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C07D 471/14 (2006.01) A61K 31/4745 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2611032

2-indolyl imidazo[4,5-dlphenanthroline compounds of Formula I that are capable of intracellular chelation of transition metals and of exerting antiproliferative effects in cancer cells, that are cytostatic and/or cytotoxic, are provided. Compounds of Formula I can also induce apoptosis in cancer cells and are thus capable of exerting a cytotoxic effect on cancer cells. The compounds of Formula I are also capable of selectively inhibiting the proliferation of one or more of prostate cancer cells, colon cancer cells, non-small lung cancer cells and leukemia cells. The compounds of Formula I are also capable of increasing the expression of the zinc-regulated tumour suppressor, KLF4 and thus are useful in inhibiting the proliferation of cancer cells in which KLF4 functions as a tumour-suppressor, including, but not limited to, bladder cancer, cancers of the gastrointestinal tract and various leukemias.

L'invention concerne des composés de 2-indolyl imidazo[4,5-d]phénanthroline représentés par la formule I, permettant la chélation intracellulaire des métaux de transition et exerçant des effets anti-prolifération cytostatiques et/ou cytotoxiques sur les cellules cancéreuses. Les composés représentés par la formule I peuvent également induire l'apoptose dans les cellules cancéreuses et peuvent ainsi exercer un effet cytotoxique sur les cellules cancéreuses. Les composés représentés par la formule I peuvent également inhiber de façon sélective la prolifération des cellules cancéreuses de la prostate, des cellules cancéreuses du côlon, des cellules cancéreuses pulmonaires de grande taille, et des cellules leucémiques. Les composés représentés par la formule I peuvent également augmenter l'expression du suppresseur tumoral régulé par le zinc KLF4, et peuvent ainsi inhiber la prolifération des cellules cancéreuses, KLF4 constituant un suppresseur tumoral, y compris, entre autres, dans le cancer de la vessie, les cancers du tractus gastro-intestinal et diverses leucémies.

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