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Weak coordination is powerful! A PdII-catalyzed olefination of ortho-CH bonds of arenes directed by weakly coordinating ethers is developed by using monoprotected amino acid (MPAA) ligands. This finding provides a method for chemically modifying ethers, which are abundant in natural products and drug molecules. HFIP=hexafluoroisopropanol.
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Li et al. (2012) studied this question.
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