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Issue 6, 2018
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Highly efficient and time economical purification of olefin metathesis products from metal residues using an isocyanide scavenger

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Abstract

A sustainable protocol of olefin metathesis in non-degassed, undistilled ethyl acetate under air with commercially available self-scavenging ruthenium catalysts is described. Furthermore, a time economical, cost-effective and scalable method of removal of ruthenium residues is presented. Treatment of post-reaction mixtures with an isocyanide scavenger and then with acid followed by a simple filtration is shown to yield OM products with ruthenium contamination below 5 ppm even in highly challenging cases. Finally, a telescope RCM/Suzuki–Miyaura sequence with a rapid and efficient purification protocol for simultaneous removal of Ru and Pd residues from solution is described.

Graphical abstract: Highly efficient and time economical purification of olefin metathesis products from metal residues using an isocyanide scavenger

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Publication details

The article was received on 03 Nov 2017, accepted on 14 Feb 2018 and first published on 22 Feb 2018


Article type: Paper
DOI: 10.1039/C7GC03324A
Citation: Green Chem., 2018,20, 1280-1289
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    Highly efficient and time economical purification of olefin metathesis products from metal residues using an isocyanide scavenger

    G. Szczepaniak, A. Ruszczyńska, K. Kosiński, E. Bulska and K. Grela, Green Chem., 2018, 20, 1280
    DOI: 10.1039/C7GC03324A

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