Palladium-catalyzed Reactions of 1,3-Dienes with Active Methylene Compounds. IV. Palladium-diphosphine Complex Catalysts

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概要

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• Active methylene compounds, such as acetylacetone and ethyl acetoacetate, reacted with 1,3-butadiene in the presence of palladium-diphosphine complex catalysts to yield two 1 : 1 adducts, <B>1</B> and <B>2</B>. Primary and secondary amines also afforded two 1 : 1 adducts, <B>10</B> and <B>11</B>. Isoprene, 1,3-pentadiene, and 2,4-hexadiene also reacted with the active methylene compounds and the amines in a manner similar to that of 1,3-butadiene. The most effective and easily available catalyst is the combination of PdBr<SUB>2</SUB>(Ph<SUB>2</SUB>PCH<SUB>2</SUB>CH<SUB>2</SUB>PPh<SUB>2</SUB>)<SUB>2</SUB> and sodium phenoxide.

• 公益社団法人 日本化学会の論文

著者

• Hata Go

  Basic Research Laboratories Toray Inductries Inc.

• Takahashi Kuniyuki

  Basic Research Laboratories, Toray Industries, Inc.

• Takahashi Kuniyuki

  Basic Research Laboratory, Toray Industries, Inc.

• Miyake Akihisa

  Basic Research Laboratories, Toray Industries, Inc.

• Miyake Akihisa

  Basic Research Laboratory, Toray Industries, Inc.

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• Palladium-catalyzed Exchange of Allylic Groups of Ethers and Esters with Active Hydrogen Compounds. II.
• Palladium-catalyzed Reactions of 1,3-Dienes with Active Methylene Compounds. IV. Palladium-diphosphine Complex Catalysts
• Synthesis of cyclopentadecanone by ring contraction of cyclohexadecanone.
• Dimerization of Malononitrile by Palladium and Platinum Complex Catalysts
• Dimerization of Isoprene by Palladium-Diphosphine Complex Catalyst

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