Stereospecific Deoxygenation of Aliphatic Epoxides to Alkenes under Rhenium Catalysis

Takuya Nakagiri, Masahito Murai, Kazuhiko Takai

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


The combination of a catalytic amount of Re2O7 and triphenyl phosphite as a reductant is effective for the deoxygenation of unactivated aliphatic epoxides to alkenes. The reaction proceeds stereospecifically with variously substituted epoxides under neutral conditions and is compatible with various functional groups. Protection and deprotection of a double bond functionality using an epoxide are shown as an example of the current rhenium-catalyzed deoxygenation protocol. The effect of reductants for the stereoselectivity has also been studied, indicating that the use of electron-deficient phosphines or phosphites is the key for the stereospecific deoxygenation. (Chemical Equation Presented).

Original languageEnglish
Pages (from-to)3346-3349
Number of pages4
JournalOrganic Letters
Issue number13
Publication statusPublished - Jul 2 2015

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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