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2. Synthesis of 17 - thiosemicarbazone steroid metal complexes
The third functional group of oestrone was altered prior to its reaction with thiosemicarbazone with different substituents. Then, it reacted respectively with K2PtCl4£¬CuCl2•2H2O£¬and [Ru(¦Ç6-p-cymene)Cl2]2. Eight different 17 - thiosemicarbazone steroid metal complexes were obtained. After oestrone reacted with 2-hydrazono-pyridine, it reacted with CuCl2•2H2O and one 17 - hydrazino (2 -) pyridine steroidal metal complexes was produced. Finally, oestrone was made to react with 2- hydrazino benzothiazole and with AgNO3 in turn, producing one 17- hydrazino (2-) benzothiazole steroidal metal complexes. Among the final products, only compound 25 had comparatively good suppressing activity in HELA cells with IC50 being 7.7¦Ìmol/L in in-vitro anti-tumor assays.
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12Â¥: Originally posted by 347416682 at 2014-05-24 15:09:55
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