Issue 32, 2018
From the journal:

Chemical Communications

Silica-supported isolated molybdenum di-oxo species: formation and activation with organosilicon agent for olefin metathesis†‡

Keishi Yamamoto, ORCID logo a   Ka Wing Chan, ORCID logo a   Victor Mougel, ORCID logo §a   Haruki Nagae,ab   Hayato Tsurugi, ORCID logo b   Olga V. Safonova,c   Kazushi Mashima*b  and  Christophe Copéret ORCID logo *a  

* Corresponding authors

a Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg. 1-5, Zürich, Switzerland
E-mail: ccoperet@ethz.ch

b Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan

c Paul Scherrer Institute, CH-5232 Villigen, Switzerland

Abstract

A well-defined silica-supported molybdenum dioxo species, ([triple bond, length as m-dash]SiO)2Mo(O)2, is prepared by grafting Mo(O)2[OSi(OtBu)3]2 on partially dehydroxylated silica SiO2-700, followed by thermal treatment under high-vaccum and calcination. Activated by an organosilicon agent the resulting material is active for olefin metathesis at 30 °C.

Graphical abstract: Silica-supported isolated molybdenum di-oxo species: formation and activation with organosilicon agent for olefin metathesis

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Article information

DOI
https://doi.org/10.1039/C8CC01876F
Article type
Communication
Submitted
08 3 2018
Accepted
26 3 2018
First published
26 3 2018

Chem. Commun., 2018,54, 3989-3992

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Silica-supported isolated molybdenum di-oxo species: formation and activation with organosilicon agent for olefin metathesis

K. Yamamoto, K. W. Chan, V. Mougel, H. Nagae, H. Tsurugi, O. V. Safonova, K. Mashima and C. Copéret, Chem. Commun., 2018, 54, 3989 DOI: 10.1039/C8CC01876F

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