期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 18, 期 2, 页码 719-727出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2009.11.063
关键词
Ascidians; Marine natural products; Quinones; Pro-apoptotic compounds; ROS production
资金
- MIUR
- MEC [SAF2007-60305]
- Spanish RIS Network [RD06-0006]
The synthesis of analogues of aplidinone A (7), a prenylated quinone isolated from the Mediterranean ascidian Aplidium conicum, has been performed. This work not only allowed confirming the structural assignment of aplidinone A, previously made with the support of GIAO shielding calculations, but, above all, made a series of structurally related quinone derivatives (compounds 8-13 and the natural metabolite) available for a screening in vitro for cytotoxic and pro-apoptotic activity and for SAR studies. The study evidenced one of the synthetic analogues (11) as a potent cytotoxic and pro-apoptotic agent against several tumor cell lines which also inhibits the TNF alpha-induced NF-kappa B activation in a human leukemia T cell line. This exemplifies the potential of a natural product to qualify as lead structure for medicinal chemistry campaigns, affording simplified analogues with better bioactivity and easier to synthesize. (C) 2009 Elsevier Ltd. All rights reserved.
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