ACS Catalysis p. 6246 - 6254 (2018)
Update date:2022-07-31
Topics:
Miura, Hiroki
Terajima, Sachie
Shishido, Tetsuya
We report that ruthenium complexes effectively catalyzed the carboxylate-directed addition of aromatic C-H bonds to aldehydes. The reactions of aromatic acids with a variety of aromatic aldehydes including unactivated ones proceeded efficiently to give the corresponding isobenzofuranone derivatives in high yields. The combination of ruthenium(II) complexes with tricyclohexylphosphine led to highly nucleophilic aryl-metal species, which enabled versatile [3 + 2] cycloaddition in the absence of a Lewis acid. This paper also demonstrates the application of supported ruthenium catalysts to the title reaction.
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