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N-环钯化二茂铁衍生物的合成和应用(英文)

本站小编 Free考研考试/2022-02-14

摘要/Abstract



近年研究表明二茂铁的环钯化衍生物被广泛地应用于各类偶联反应中,比如Heck反应、Suzuki反应、aza-Claisen重排反应等.主要综述了含氮导向基的二茂铁衍生物的环钯化反应,包括通过不对称诱导或拆分手段合成具有平面手性环钯化合物,基于环金属化反应1,1'-取代二茂铁钯化物的合成,以及其在催化反应的应用.
关键词: 环钯化, 二茂铁基二胺, 二茂铁基亚胺, 对映选择性, 交叉偶联反应, Heck反应, Suzuki反应, aza-Claisen重排
Progress in the synthesis and application of the cyclopalladated derivatives of ferrocene with a donor nitrogen atom in the directing group is surveyed including the planar chirality and enantioselective catalysis of organic reactions and rearrangements. Transannular palladation has been found giving achiral 1,1'-disubstituted ferrocenes of ansa-structure. Cyclopalladated ferrocenes have been widely used as catalysts in the cross-coupling reactions (Suzuki, Heck, aza-Claisen, etc. )
Key words: cyclopalladation, ferrocenyl amines, ferrocenyl imines, enantioselectivity, cross-coupling reactions, Heck reaction, Suzuki reaction, aza-Claisen rearrangement


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