Nickel catalysed asymmetric coupling reaction between allyl phenyl ethers and Grignard reagents

Abstract
The asymmetric allylation of Grignard reagents by allyl phenyl ethers in the presence of [(–)-(S,S)-2,3-bis (diphenylphosphino) butane](II) chloride gives rise to optically active olefins, with fair to high optical yields; asymmetric induction in the synthesis of 3-ethylcyclohex-1-ene exceeds 97%.

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