Benzimidazole compound cobalt complexes containing pyridines and application thereof

The invention relates to novel cobalt complexes, in particular to benzimidazole compound cobalt complexes containing pyridines, compositions containing the complexes, and application of the benzimidazole compound cobalt complexes in preparing anticancer drugs. The structure of the compound is shown in the description, wherein R is selected from H, C1-C6 alkoxy, halogenated C1-C6 alkoxy, hydroxyl,amidogen, nitryl and cyanogroup, R1 is selected from H, C1-C6 alkyl, C1-C6 alkoxy, halogenated C1-C6 alkoxy, hydroxyl, amidogen, nitryl and cyanogroup, R2 is selected from H, substituent or un-substituent C1-C6 alkyl and C1-C6 alkoxy, the substituent group is C1-C6 alkoxy and halogenated C1-C6 alkoxy, and R3 is selected from H, C1-C6 alkyl and C1-C6 alkoxy. The cobalt complexes and compositions thereof can be used for preparing the anticancer drugs. 本发明涉及新型钴配合物--含有吡啶的苯并咪唑类化合物钴配合物，含有这些配合物的组合物，及其在制备抗肿瘤药物中的应用。本发明的化合物结构如下式(I)所示：其中，R选自H，C1-C6烷氧基，卤代C1-C6烷氧基，羟基，氨基，硝基，氰基；R选自H，C1-C6烷基，C1-C6烷氧基，卤代C1-C6烷氧基，羟基，氨基，硝基，氰基；R选自H，取代或未取