reviewAngewandte Chemie International EditionMay 23, 2017Closed access

Selected Copper‐Based Reactions for C−N, C−O, C−S, and C−C Bond Formation

Chinese Academy of Sciences · Shanghai Institute of Organic Chemistry

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Abstract

Metal-catalyzed cross-coupling reactions belong to the most important transformations in organic synthesis. Copper catalysis has received great attention owing to the low toxicity and low cost of copper. However, traditional Ullmann-type couplings suffer from limited substrate scopes and harsh reaction conditions. The introduction of several bidentate ligands, such as amino acids, diamines, 1,3-diketones, and oxalic diamides, over the past two decades has totally changed this situation as these ligands enable the copper-catalyzed coupling of aryl halides and nucleophiles at both low reaction temperatures and catalyst loadings. The reaction scope has also been greatly expanded, rendering this copper-based…

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