Synthesis and mechanism of action of novel pyrimidinyl pyrazole derivatives possessing antiproliferative activity

Pyrimidinyl pyrazole derivatives 1– 4, prepared as a new scaffold of an anti-tumor agent, showed antiproliferative activity against human lung cancer cell lines and inhibited tubulin polymerization. Furthermore, it was found that compound 2 bound at the colchicine site on tubulin, but the tubulin bi...

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Veröffentlicht in:Bioorganic & medicinal chemistry letters 2002-11, Vol.12 (21), p.3191-3193
Hauptverfasser: Ohki, Hitoshi, Hirotani, Kenji, Naito, Hiroyuki, Ohsuki, Satoru, Minami, Megumi, Ejima, Akio, Koiso, Yukiko, Hashimoto, Yuichi
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container_end_page 3193
container_issue 21
container_start_page 3191
container_title Bioorganic & medicinal chemistry letters
container_volume 12
creator Ohki, Hitoshi
Hirotani, Kenji
Naito, Hiroyuki
Ohsuki, Satoru
Minami, Megumi
Ejima, Akio
Koiso, Yukiko
Hashimoto, Yuichi
description Pyrimidinyl pyrazole derivatives 1– 4, prepared as a new scaffold of an anti-tumor agent, showed antiproliferative activity against human lung cancer cell lines and inhibited tubulin polymerization. Furthermore, it was found that compound 2 bound at the colchicine site on tubulin, but the tubulin binding pattern was different from that of colchicine. Here, we describe the synthesis of the derivatives and the differences of the action mechanism on tubulin polymerization inhibition between compound 2 and colchicine. Pyrimidinyl pyrazole derivative 2, a new scaffold as an antitumor agent, showed an antiproliferative activity against the p-glycoprotein-mediated multi-drug-resistant (MDR) cell line PC-12 and inhibited tubulin polymerization.
doi_str_mv 10.1016/S0960-894X(02)00568-1
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subjects Antineoplastic agents
Antineoplastic Agents - chemical synthesis
Antineoplastic Agents - pharmacology
Binding, Competitive - drug effects
Biological and medical sciences
Colchicine - pharmacology
Drug Screening Assays, Antitumor
General aspects
Humans
Indicators and Reagents
Lung Neoplasms - drug therapy
Lung Neoplasms - pathology
Medical sciences
Microtubules - drug effects
Pharmacology. Drug treatments
Protein Binding - drug effects
Pyrazoles - chemical synthesis
Pyrazoles - pharmacology
Pyrimidines - chemical synthesis
Pyrimidines - pharmacology
Tubulin - drug effects
Tubulin Modulators
Tumor Cells, Cultured
title Synthesis and mechanism of action of novel pyrimidinyl pyrazole derivatives possessing antiproliferative activity
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