Synthesis and Biological Evaluation of Indoloquinolines and Pyridocarbazoles: A New Example of Unexpected Photoreduction Accompanying Photocyclization

Indoloquinoline alkaloid cryptolepine and pyridocarbazole alkaloid ellipticine are of great interest because in vitro and in vivo studies revealed their good cytotoxic properties. In order to obtain some biologically active analogs of these compounds, we developed a synthesis based on the photocycli...

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Veröffentlicht in:Chemical & Pharmaceutical Bulletin 2007/09/01, Vol.55(9), pp.1349-1355
Hauptverfasser: Aragon, Pierre-Jean, Yapi, Ange-Désiré, Pinguet, Frédéric, Chezal, Jean-Michel, Teulade, Jean-Claude, Blache, Yves
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container_issue 9
container_start_page 1349
container_title Chemical & Pharmaceutical Bulletin
container_volume 55
creator Aragon, Pierre-Jean
Yapi, Ange-Désiré
Pinguet, Frédéric
Chezal, Jean-Michel
Teulade, Jean-Claude
Blache, Yves
description Indoloquinoline alkaloid cryptolepine and pyridocarbazole alkaloid ellipticine are of great interest because in vitro and in vivo studies revealed their good cytotoxic properties. In order to obtain some biologically active analogs of these compounds, we developed a synthesis based on the photocyclization of tertiary N-substituted enaminones derived from 1,3-cyclohexandione and 3 or 6-aminoquinoline. The angular cyclized compounds thus obtained were tested in vitro on K 562 cells and A 2780 doxorubicin sensitive and resistant cells. All compounds were less effective than doxorubicin in sensitive cells but their activity wasn't decreased by MDR resistance.
doi_str_mv 10.1248/cpb.55.1349
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subjects Alkaloids - chemical synthesis
Alkaloids - pharmacology
Antibiotics, Antineoplastic - pharmacology
Antineoplastic Agents - chemical synthesis
Antineoplastic Agents - pharmacology
Cell Line, Tumor
Chemical Sciences
Cyclization
cytotoxicity
Doxorubicin - pharmacology
Drug Screening Assays, Antitumor
Ellipticines - chemical synthesis
Ellipticines - pharmacology
Humans
Indicators and Reagents
indoloquinoline
K562 Cells
Magnetic Resonance Spectroscopy
Medicinal Chemistry
Organic chemistry
Oxidation-Reduction
Photochemistry
pyridocarbazole
Ultraviolet Rays
title Synthesis and Biological Evaluation of Indoloquinolines and Pyridocarbazoles: A New Example of Unexpected Photoreduction Accompanying Photocyclization
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