摘要/Abstract
3,3'-二吲哚甲烷类化合物是一类重要的吲哚生物碱, 其结构单元广泛存在于天然产物、功能性材料以及合成药物分子中. 因其具有多样的生物活性和功能, 如抗氧化、抗炎症、抗血管生成、抗菌以及抗癌活性等, 构筑3,3'-二吲哚甲烷类杂环化合物备受关注. 传统的合成方法, 尤其是对称结构的3,3'-二吲哚甲烷类化合物的合成主要在化学量的Brønsted酸或Lewis酸存在下, 吲哚衍生物与羰基化合物经傅-克反应缩合得到. 而过渡金属的使用可引起化合物中金属残留以及环境污染. 总结和探讨了从2010年至今3,3'-二吲哚甲烷类化合物的合成方法, 尤其是对无过渡金属参与条件下, 对称结构的3,3'-二吲哚甲烷类化合物以及非对称结构3,3'-二吲哚甲烷类化合物制备的最新进展以及相应的反应机理, 旨在为该类化合物生物活性测试提供重要的理论依据和技术支持.
关键词: 无过渡金属, 3, 3'-二吲哚甲烷, 生物活性, 多样性
3,3'-Bisindolylmethanes (3,3'-BIMs) compounds are important indole alkyloads and their units are widely found in various natural products, functional materials and synthetic pharmaceutical compounds. Due to diverse biological activities and functionalities, for instance, antioxidant, anti-inflammatory, antiangiogenic, anti-bacterial and anti-cancer etc., the construction of 3,3'-BIMs is raised considerable concerns. Conventional methods especially focused on symmetrical 3,3'-BIMs were the condensition of indoles with carbonyl compounds via Friedel-Crafts pathway in the presence of Brønsted acids or Lewis acids. However, the utilization of transtion metals led the residue into the products and environmental contamination. The recent advance on the synthesis of 3,3'-BIMs since 2010, mainly concerned on the approaches and corresponding me- chanism to prepare symmetrical and unsymmetrical 3,3'-BIMs under transition-metal-free conditions is summarized and dis- cussed, aiming to provide important theoretical evidence and techinical support for further biological evaluations on desired compounds.
Key words: Keywords transition-metal-free, 3, 3'-bisindolylmethane, biological activity, diversity
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