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Copper-catalyzed etherification of arene C-H bonds.

ABSTRACT: A method for direct, auxiliary-assisted alkoxylation and phenoxylation of ?-sp(2) C-H bonds of benzoic acid derivatives and ?-sp(2) C-H bonds of amine derivatives is reported. The reaction employs (CuOH)2CO3 catalyst, air as an oxidant, phenol or alcohol coupling partner, DMF, pyridine, or DMPU solvent, and K2CO3, tetramethylguanidine, or K3PO4 base at 70-130 °C.

SUBMITTER: Roane J 

PROVIDER: S-EPMC3880618 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature

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Copper-catalyzed etherification of arene C-H bonds.

Roane James J   Daugulis Olafs O  

Organic letters 20131101 22

A method for direct, auxiliary-assisted alkoxylation and phenoxylation of β-sp(2) C-H bonds of benzoic acid derivatives and γ-sp(2) C-H bonds of amine derivatives is reported. The reaction employs (CuOH)2CO3 catalyst, air as an oxidant, phenol or alcohol coupling partner, DMF, pyridine, or DMPU solvent, and K2CO3, tetramethylguanidine, or K3PO4 base at 70-130 °C. ...[more]

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