Chemoselective synthesis of aryl(pyridinyl)methanol derivatives through Ni-NIXANTPHOS catalyzed α-arylation and tandem arylation/rearrangement of pyridylmethyl ethers
Organic Chemistry Frontiers(2018)
摘要
An efficient synthesis of aryl(pyridyl)-methanol derivatives using a nickel-NIXANTPHOS catalyst is described. Combinations of the Ni-NIXANTPHOS catalyst, solvent, and reaction temperature achieved chemoselective arylation and tandem arylation/rearrangement of pyridylmethyl ethers. A large variety of aryl halides were tolerated (55 examples, up to 96% yield). The scalability of the reaction is demonstrated. The order of the tandem arylation and [1,2]-Wittig rearrangement was probed by comparative studies.
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关键词
pyridylmethyl ethers,tandem α-arylation,chemoselective synthesis,arylpyridinylmethanol,ni-nixantphos
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