Unusual Kinetic Profiles for Lewis Base-Catalyzed Sulfenocyclization of ortho -Geranylphenols in Hexafluoroisopropyl Alcohol

Kevin A. Robb, Soumitra V. Athavale, Scott E. Denmark

Research output: Contribution to journalArticle

Abstract

The kinetic behavior of the Lewis base-catalyzed sulfenocyclization of polyenes in hexafluoroisopropyl alcohol (HFIP) was explored. The rate of reaction is not dependent on the electronic properties of the terminal nucleophile, suggesting that this capture step is not rate limiting. Additionally, fractional orders were observed for two of the reaction components. This intriguing profile appears unique to the polyene sulfenocyclization reaction and is not merely due to solvent effects.

Original languageEnglish (US)
Pages (from-to)1656-1661
Number of pages6
JournalSynlett
Volume30
Issue number14
DOIs
StatePublished - Jan 1 2019

Keywords

  • Lewis base catalysis
  • cyclization
  • hexafluoroisopropyl alcohol
  • kinetics
  • polyenes
  • sulfenocyclization

ASJC Scopus subject areas

  • Organic Chemistry

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