A comparative study of the Au-catalyzed cyclization of hydroxy-substituted allylic alcohols and ethers
2011

Gold-Catalyzed Reactions to Form Tetrahydropyrans

publication Evidence: moderate

Author Information

Author(s): Biannic Berenger, Ghebreghiorgis Thomas, Aponick Aaron

Primary Institution: University of Florida

Hypothesis

Can different leaving groups in allylic ethers affect the rate of Au-catalyzed cyclization reactions?

Conclusion

The study shows that allylic alcohols react faster than allylic ethers in Au-catalyzed cyclization to form tetrahydropyrans.

Supporting Evidence

  • The reactions of allylic alcohols were found to be faster than those of allylic ethers.
  • Cis-substrates showed slightly faster reactions compared to trans-substrates.
  • QuadraPureTM MPA was effective in halting reaction progress for accurate analysis.

Takeaway

This study found that using gold as a catalyst helps make certain chemical reactions happen faster, especially when using specific types of alcohols.

Methodology

The study employed Au(I)-catalyzed cyclization reactions monitored by GC to compare the reaction rates of different substrates.

Limitations

The study primarily focused on specific substrates and may not generalize to all allylic ethers.

Digital Object Identifier (DOI)

10.3762/bjoc.7.91

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