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, 127 (49), 17160-1

Prevention of Undesirable Isomerization During Olefin Metathesis

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Prevention of Undesirable Isomerization During Olefin Metathesis

Soon Hyeok Hong et al. J Am Chem Soc.

Abstract

1,4-Benzoquinones have been found to prevent olefin isomerization of a number of allylic ethers and long-chain aliphatic alkenes during ruthenium-catalyzed olefin metathesis reactions. Electron-deficient benzoquinones are the most effective additives for the prevention of olefin migration. This mild, inexpensive, and effective method to block olefin isomerization increases the synthetic utility of olefin metathesis via improvement of overall product yield and purity.

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