gallium analogs [Ga(bhnq)(L1)]NO3·3H2O (3) and [Ga(bhnq)(L2)]NO3·3H2O (4) were also prepared for helping with the assignments of the redox properties of the cobalt complexes and the structure of 2. Cyclic voltammetry analysis revealed a pH-independent quasi-reversible Co(III)/Co(II) process at − 0.22 and − 0.08 V vs NHE for 1 and 2, respectively. An O2-dependent dissociation of bhnq2 − was observed for the
我们小组最近启动了基于Co(III)与
配体2,2'-双(3-羟基-
1,4-萘醌),H 2 bhnq的Co(III)配合物开发
生物还原性前药新原型的研究。这项工作的重点是研究还原后bhnq -2从复合物中的解离,以及pH,氧化还原电势,氧浓度和辅助
配体的性质对该反应的影响。bhnq 2-
配体是一种“非细胞毒性”剂,由于其合适的发色特性而被选作反应性研究的探针,同时它类似于与癌症治疗有关的更多细胞毒性
萘醌。这样,两个Co(III)络合物[Co(bhnq)(L1)] BF 4 ·H 2 O(1)和[Co(bhnq)(
L2)] BF 4 ·H 2 O(2)(L1 = N,N'-双(
吡啶-2-基甲基)
乙二胺,
L2 = N,N'-二甲基-N,合成并充分表征了N'-双(
吡啶-2-基甲基)
乙二胺。还准备了
镓类似物[Ga(bhnq)(L1)] NO 3 ·3H 2 O(3)和[Ga(bhnq)(
L2)]