期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 18, 期 7, 页码 2282-2287出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2008.03.005
关键词
estradiol-platinum(II) complexes; breast cancer; estrogen receptor; molecular modeling
The synthesis of a series of 17 beta-estradiol-platinum(II) hybrid molecules is reported. The hybrids are made of a PEG linking chain of various length and a 2-(2'-aminoethyl) pyridine ligand. They are prepared from estrone in five chemical steps with an overall yield of 22%. The length of the PEG chain does not influence the solubility of the compounds as it remains relatively constant throughout the series. MTT assays showed that the derivative with the longest PEG chain showed the best activity against breast cancer cell lines (MCF-7 and MDA-MB-231). Molecular modeling study rationalized the results. (C) 2008 Elsevier Ltd. All rights reserved.
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