Ortho-selective allylation of 2-pyridylarenes with allyl acetates catalyzed by ruthenium complexes

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The ortho-position of 2-pyridylarenes is selectively allylated with allyl acetates in the presence of a ruthenium(II)-phosphine complex. In the case of aromatic-substituted allyl acetates, such as cinnamyl acetate, linear allylated compounds were the predominant products. However, the reaction with linear aliphatic allyl acetates afforded a mixture of linear and branched products, whereas reactions with branched aliphatic allyl acetates afforded linear products preferentially. From these results, the reaction mechanism is proposed to involve the formation of σ-allyl- and π-allylruthenium intermediates and ortho-ruthenation of the 2-pyridylarenes via the σ-allylruthenium intermediate directed by coordination of the 2-pyridyl group to the ruthenium center.

Original languageEnglish
Pages (from-to)4773-4778
Number of pages6
Issue number20
Publication statusPublished - 2006 Sept 25

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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