Condensed Heteroaromatic Ring Systems. VII : Synthesis of Thienopyridines, Thienopyrimidines, and Furopyridines from o-Substituted N-Heteroarycetylenes

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概要

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• the cross-coupling reaction of 2-chloro-3-iodo- and 4-chloro-3-iodopyridines with phenylacetylene in the presence of dichlorobis(triphenylphosphine)palladium occurred at the 3-position. The 3-ethynylpyridines containing an adjacent chloro group were convertible to thienopyridines by traatment with sodium hydrosulfide. Similarly, various thieno[2,3-d]pyrimidines were synthesized from 4-chloro-5-iodopuyrimidines. One-step synthesis of furopyridines by the palladium-catalyzed reaction of iodohydroxypyridines with terminal acetylenes is also described.

• 社団法人日本薬学会の論文
• 1986-07-25

著者

• 渡辺 亮

  Pharmaceutical Institute Tohoku University

• 根東 義則

  Pharmaceutical Institute, Tohoku University

• 坂本 尚夫

  Pharmaceutical Institute, Tohoku University

• 山中 宏

  Pharmaceutical Institute, Tohoku University

• 坂本 尚夫

  東北大院薬

• 坂本 尚夫

  Pharmaceutical Institute Tohoku University

• 坂本 尚夫

  東北大学大学院薬学研究科

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