New Antitumor Imidazo[2,1-b]thiazole Guanylhydrazones and Analogues1
摘要:
The synthesis of new antitumor 6-substituted imidazothiazole guanylhydrazones is described. Moreover, a series of compounds with a different basic chain at the 5 position were prepared. Finally, the replacement of the thiazole ring in the imidazothiazole system was also considered. All the new compounds prepared were submitted to the NCI cell line screen for evaluation of their antitumor activity. A few selected compounds were submitted to additional biological studies concerning effects on the cell cycle, apoptosis, and mitochondria.
New Antitumor Imidazo[2,1-b]thiazole Guanylhydrazones and Analogues1
摘要:
The synthesis of new antitumor 6-substituted imidazothiazole guanylhydrazones is described. Moreover, a series of compounds with a different basic chain at the 5 position were prepared. Finally, the replacement of the thiazole ring in the imidazothiazole system was also considered. All the new compounds prepared were submitted to the NCI cell line screen for evaluation of their antitumor activity. A few selected compounds were submitted to additional biological studies concerning effects on the cell cycle, apoptosis, and mitochondria.
Synthesis and evaluation of thiophenyl derivatives as inhibitors of alkaline phosphatase
作者:Lei Chang、Do Le Duy、Saida Mébarek、Florence Popowycz、Stéphane Pellet-Rostaing、Marc Lemaire、René Buchet
DOI:10.1016/j.bmcl.2011.02.089
日期:2011.4
Pathological calcifications induced by deposition of basic phosphate crystals or hydroxyapatite (HA) on soft tissues are a large family of diseases comprising of ankylosing spondylitis (AS), end-stage osteoarthritis (OA) and vascular calcification. High activity of tissue non-specific alkaline phosphatase (TNAP) is a hallmark of pathological calcifications induced by HA deposition. The use of TNAP inhibitor is a possible therapeutic option to address calcific diseases produced by HA deposition on soft tissues. We report the synthesis of a series of thiopheno-imidazo[2,1-b] thiazole derivatives which were evaluated as potential inhibitors of TNAP displaying a large range of IC50 at pH 10.4 (from 42 +/- 13 mu M to more than 800 mu M). (C) 2011 Published by Elsevier Ltd.
New Antitumor Imidazo[2,1-<i>b</i>]thiazole Guanylhydrazones and Analogues<sup>1</sup>
作者:Aldo Andreani、Silvia Burnelli、Massimiliano Granaiola、Alberto Leoni、Alessandra Locatelli、Rita Morigi、Mirella Rambaldi、Lucilla Varoli、Natalia Calonghi、Concettina Cappadone、Giovanna Farruggia、Maddalena Zini、Claudio Stefanelli、Lanfranco Masotti、Norman S. Radin、Robert H. Shoemaker
DOI:10.1021/jm701246g
日期:2008.2.1
The synthesis of new antitumor 6-substituted imidazothiazole guanylhydrazones is described. Moreover, a series of compounds with a different basic chain at the 5 position were prepared. Finally, the replacement of the thiazole ring in the imidazothiazole system was also considered. All the new compounds prepared were submitted to the NCI cell line screen for evaluation of their antitumor activity. A few selected compounds were submitted to additional biological studies concerning effects on the cell cycle, apoptosis, and mitochondria.