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ChemInform Abstract: Regioselective Alkylation of 2-Phenylpyridines with Terminal Alkenes via C-H Bond Activation by a Rhodium Catalyst.

✍ Scribed by Y.-G. LIM; J.-B. KANG; Y. H. KIM

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Regioselective Alkylation of 2-Phenylpyridines with Terminal Alkenes via C-H Bond Activation by a Rhodium Catalyst. -Rh(I)-catalyzed reaction of 2-phenylpyridines with terminal alkenes provides regioselectively or even exclusively ortho-alkylated products of the anti-Markovnikov-type (cf. (III), (VI), (IX)

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Reaction of 2-Hydroxybenzaldehydes with Alkynes, Alkenes, or Allenes via Cleavage of the Aldehyde C-H Bond Using a Rhodium Catalyst System. -Aldehyde (I) smoothly reacts with internal and terminal alkynes to give alkenoylphenols in good to excellent yields. The substituents of acetylene influence th