Synthesis, characterization and anticancer activity of new 2-acetyl-5-methyl thiophene and cinnamaldehyde thiosemicarbazones and their palladium(II) complexes
作者:Eunice A. Nyawade、Nicole R.S. Sibuyi、Mervin Meyer、Roger Lalancette、Martin O. Onani
DOI:10.1016/j.ica.2020.120036
日期:2021.1
Abstract New thiosemicarbazone (TSC) ligands, AMT-C N-TSCH (L1), AMT-C N-TSC(CH3) (L2), CIN-C N-TSCH (L3) and CIN-C N-TSC(CH3) (L4) (AMT = 2-acetyl-5-methylthiophene, TSCH = thiosemicarbazide, TSC(CH3) = 4-methyl-3-thiosemicarbazide, CIN = cinnamaldehyde) were synthesized by condensation reaction. The reaction of [PdCODCl2] with the ligands L1, L2 and L4in the ratio 1:1 yielded complexes [Pd(L1)Cl]
摘要新的硫半脲(TSC)配体,AMT-C N-TSCH(L1),AMT-C N-TSC(CH3)(L2),CIN-C N-TSCH(L3)和CIN-C N-TSC(CH3)通过缩合反应合成了(L4)(AMT = 2-乙酰基-5-甲基噻吩,TSCH =硫代氨基脲,TSC(CH3)= 4-甲基-3-硫代氨基脲,CIN =肉桂醛)。[PdCODCl2]与配体L1,L2和L4的比例为1:1的反应生成了[Pd(L1)Cl](C1),[Pd(L2)Cl2](C2)和[Pd(L4)2Cl2分别为(C4)(COD = 1,5-环辛二烯)。[Pd(COD)Cl2]与CIN-C N-TSCH(L3)在金属与配体比率为1:2的反应中生成复合物[Pd(L3)2](C3)。通过UV-Vis,FT-IR,NMR,元素分析和电导率测量来表征配体和配合物。配体L1以三齿方式配位至金属,而L2,L3和L4以二齿方式配位。配