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New air-stable ruthenium olefin metathesis precatalysts derived from bisphenol S
Institution:1. Institute of Organic Chemistry, Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01224 Warsaw, Poland;2. Boehringer Ingelheim Pharma GmbH & Co. KG, Department of Process Development, Binger Str. 173, D-55216 Ingelheim, Germany;3. Ligand Chemie GmbH, Papenhauser Str. 10, Lemgo D-32657, Germany;4. Department of Chemistry, Warsaw University, ul. Pasteura 1, PL-02093 Warsaw, Poland;1. Tarragona, Spain;2. Riverside, CA, USA;1. Key Laboratory of Aerospace Materials and Performance (Ministry of Education), School of Materials Science and Engineering, Beihang University, Beijing 100191, China;2. School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China;3. Beijing National Laboratory for Molecular Sciences (BNLMS), The State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;1. Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, 11566 Cairo, Egypt;2. Physical Chemistry Department, National Research Center, Dokki, 12622 Giza, Egypt;3. Department of Chemistry, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt;4. Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA;1. Institute of Molecular Physics, Polish Academy of Science, Smoluchowskiego 17, 60-179 Poznan, Poland;2. Institute of Chemistry, Environment Protection and Biotechnology, Jan Długosz University of Częstochowa, ul. Armii Krajowej 13/15, 42-200 Częstochowa, Poland
Abstract:Synthesis and screening of catalytic activity of novel mono- and diruthenium carbene complexes 7a and 7b prepared from inexpensive Bisphenol S via Claisen rearrangement–isomerisation route is described. These catalysts constitute an excellent tool for ring-closing metathesis by combining high stability with increased catalytic activity as compared with the parent Hoveyda–Grubbs catalyst.
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