Fluorous Phase-transfer Activation of Catalysts: Application of a New Rate-enhancement Strategy to Alkene Metathesis

Rosenildo Da Costa, John A. Gladysz

Research output: Contribution to journalArticlepeer-review

Abstract

Reactions of the bis(pyridine) complex (H2IMes)(Py)2(Cl)2Ru(=CHPh) and fluorous phosphines P(CH2CH2Rfn)3 (n = a, 6; b, 8; c, 10; Rfn = (CF2)n–1CF3) give (H2IMes)(P(CH2CH2Rfn)3)(Cl)2Ru(=CHPh) (2a–c, 64–73%), which are analogs of Grubbs' second generation catalyst and effective alkene metathesis catalysts under organic monophasic and fluorous/organic biphasic conditions. The latter give rate accelerations, which are believed to arise from phase transfer of the dissociated fluorous phosphine
Original languageEnglish
Pages (from-to)2619-2621
JournalChemical Communications
DOIs
Publication statusPublished - 2006

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