Metal-Free Phosphine Oxide Reductions Catalyzed by B(C6F5)3 and Electrophilic Fluorophosphonium Cations

Meera Mehta, Isaac Garcia De La Arada, Manuel Perez, Digvijay Porwal, Martin Oestreich, Douglas W. Stephan

Research output: Contribution to journalArticlepeer-review

Abstract

The hydrosilylation/reduction of tertiary and secondary phosphine oxides to phosphines is catalyzed by B(C6F5)3 or electrophilic fluorophosphonium cations (EPCs). B(C6F5)3 is an effective catalyst for phosphine oxide reduction using (EtO)3SiH, PhSiH3, and Ph2SiH2 at elevated temperature (105 °C), while EPCs effect the same reduction at significantly lower temperature with PhSiH3 as reducing agent, allowing for good functional-group tolerance.
Original languageEnglish
Pages (from-to)1030-1035
Number of pages6
JournalOrganometallics
Volume35
Issue number7
Early online date29 Mar 2016
DOIs
Publication statusPublished - 11 Apr 2016

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