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Anionic carbonato and oxalato cobalt(III) nitrogen mustard complexes

机译:阴离子碳酸根和草酸钴(III)氮芥子配合物

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Synthetic approaches to cobalt(III)complexes [Co(L)(L')_2]containing the bidentate dialkylating nitrogen mustard N,N-bis(2-chloroethyl)-1,2-ethanediamine(L=dce)together with anionic ancilliary ligands(L')which are either carbonato(CO~(2-)_3),oxalato(ox~(2-)),bis(2-ydroxyethyl)dithiocarbamato (bhedtc~-),2-pyridine carboxylato(pico~-)or 2-pyrazine carbonxylato(pyzc~-) were investigted.Synthetic routes were developed using the related amines N,N-diethyl-1,2-ehtanediamine(dee)and 1,2-ethanediamine(en).The complexes [Co(CO_3)_2(L)]~-(L=dee 1,dce 2),[Co(ox)_2(L)]~-(L=dee 3,dce4),[Co(bhedtc)_2(dee)]~+5,[Co(bhedtc)_2(en)]~=6,mer-[Co(pico)_3],mer-[Co(pyzc)]_3 7and [Co(ox)_2(L)]~-(L=dee)]~+8 were prepared and were characterised by IR,UV-Vis,~1H and ~13C{~1H}NMR spectroscopy,mas sspectromertry and cyclic voltammetry.[Co(bhedtc)_2(en)]BPh_4 6b and trans9O)-[Co(pico)_2(dee)]ClO_4 8 were characterised by X-ray crystallography.In vitro biological tests were carreid out on complexes 1-4 in orde t assess the degree to which coordinaton of the mustard to cobalt attenuated its cytotoxicity,and the differential toxicity in air vs.nitrogen.
机译:含有双齿烷基化氮芥N,N-双(2-氯乙基)-1,2-乙二胺(L = dce)的双齿二齿二齿钴(III)配合物[Co(L)(L')_ 2]的合成方法碳原子(CO〜(2-)_ 3),草酰(ox〜(2-)),双(2-羟乙基)二硫代氨基甲酸酯(bhedtc〜-),2-吡啶基羧甲基(pico〜-)的配体(L') )或2-吡嗪羰基合成(pyzc〜-)。使用相关的胺N,N-二乙基-1,2-乙二胺(dee)和1,2-乙二胺(en)开发了合成路线。 (CO_3)_2(L)]〜-(L = dee 1,dce 2),[Co(ox)_2(L)]〜-(L = dee 3,dce4),[Co(bhedtc)_2(dee) ]〜+ 5,[Co(bhedtc)_2(en)]〜= 6,mer- [Co(pico)_3],mer- [Co(pyzc)] _ 3 7和[Co(ox)_2(L)]〜制备了-(L = dee)]〜+ 8,并通过IR,UV-Vis,〜1H和〜13C {〜1H} NMR光谱,质谱,循环伏安法进行了表征。[Co(bhedtc)_2(en)]通过X射线晶体学对BPh_4 6b和trans9O)-[Co(pico)_2(dee)] ClO_4 8进行了表征。对体内的1-4配合物进行了严格的体外生物学测试。 s芥菜与钴的协同作用减弱其细胞毒性的程度,以及空气与氮气之间的差异毒性。

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