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Olefin Metathesis in Compressed Carbon Dioxide

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Fürstner,  Alois
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Koch,  Daniel
Research Group Leitner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Langemann,  Klaus
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Leitner,  Walter
Research Group Leitner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

Six,  Christian
Research Group Leitner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Fürstner, A., Koch, D., Langemann, K., Leitner, W., & Six, C. (1997). Olefin Metathesis in Compressed Carbon Dioxide. Angewandte Chemie International Edition in English, 36(22), 2466-2469. doi:10.1002/anie.199724661.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-0365-4
Abstract
The product distribution can be controlled by varying the density of the reaction medium when olefin metatheses of acyclic dienes are carried out in supercritical CO2 (scCO2), as shown below. Substrates with NH groups, which are generally not tolerated in conventional solvents, are compatible with Ru-based metathesis catalysts in scCO2. Avoidance of potentially hazardous organic solvents, simple isolation of the products, and the recovery of the catalysts in active form are additional practical advantages associated with using compressed CO2 as reaction medium for ring-closing metathesis (RCM) and ring-opening metathesis polymerization (ROMP).