Synthesis, characterization and anticancer activity of new chiral Pd(II)-complexes derived from unsymmetrical α-diimine ligands
作者:Jaime Vázquez、Sylvain Bernès、Pankaj Sharma、Javier Pérez、Guadalupe Hernández、Alejandra Tovar、Ulises Peña、René Gutiérrez
DOI:10.1016/j.poly.2011.06.020
日期:2011.9
A set of new diastereopure unsymmetrical alpha-diimine ligands 2a-d derived from methylglyoxal and optically pure primary amines 1a-d afforded the new chiral Pd(II)-complexes (S,S)-3a, (S,S)-3b, (S,S)-3c, and (1S, 2S, 3S, 5R)-3d. All compounds have been characterized by IR, H-1, and C-13 NMR spectroscopies along with MS-FAB(+) spectrometry. The crystal and molecular structure for the complexes 3a, 3b and 3d have been fully confirmed by single-crystal X-ray studies. Likewise, complexes 3a-d have also been screened for their in vitro cytotoxicity against different classes of cancer: leukemia (K-562 CML), colon cancer (HCT-15), human breast adenocarcinoma (MCF-7), central nervous system (U-251 Glio) and prostate cancer (PC-3) cell lines. (C) 2011 Elsevier Ltd. All rights reserved.