Pd (0Ac)<SUB>2</SUB>-Diphosphine Catalyzed O-Allylation of Alcohols with Allyl Alcoholt

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Other Title
  • Pd(OAc)<SUB>2</SUB>-二座配位ホスフイン系触媒を用いたアリルアルコールによるアルコールの O-アリル化反応
  • Studies on Allylation on Allyl Alcohol. IV. Pd(OAc)2-Diphosphine Catalyzed O-Allylation of Alcohols with Allyl Alcohol.

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Description

O-Allylation of alcohols with allyl alcohol catalyzed byPd(OAc)2-diphosphinoalkane was investigated. Pd(OAc)2-dppb[dppb =1, 4-bis (diphenylphosphino) butane] was found to be the most efficient catalyst, and the reaction proceeded effectively in aromatic hydrocarbon solvents such as xylene or toluene under neutral conditions. In the reaction of ethanol and allyl alcohol, the yield of allyl ethyl ether increased from 52% to 89% with increasing the [Ethanol] / [Allyl alcohol] ratio. The selecetivity of allyl ethyl ether was low at the early stage of the reaction, but increased with the progress of the reaction. Allyl ethers of various alcohols were also synthesized in high yields by this Pd(OAc)2-dppb catalyzed O-allylation with allyl alcohol.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1996 (9), 787-791, 1996-09-10

    The Chemical Society of Japan

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