γ-Selective Cross-coupling of Potassium Allyltrifluoroborates with Aryl and 1-Alkenyl Bromides Catalyzed by a Pd(OAc)2/D-t-BPF Complex

descriptionPublicationkeyboard_double_arrow_right Article 30 May 2006 English Publisher:Oxford University Press (OUP)Journal:Chemistry Letters, volume 35, pages 704-705 (issn: 0366-7022, eissn: 1348-0715,

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Authors: Yasunori Yamamoto; Shingo Takada; Norio Miyaura;

doi: 10.1246/cl.2006.704

γ-Selective Cross-coupling of Potassium Allyltrifluoroborates with Aryl and 1-Alkenyl Bromides Catalyzed by a Pd(OAc)2/D-t-BPF Complex

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Abstract

Abstract Cross-coupling reactions of [RCH=CHCH2BF3]K with aryl or 1-alkenyl bromides occurred at the γ-carbon of an allylborane moiety with perfect regioselectivities (>99%) in the presence of a palladium/D-t-BPF complex and K2CO3 in refluxing THF.

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Hokkaido Bunkyo University
Japan

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