Olefin Metathesis in Compressed Carbon Dioxide

Fürstner, Alois; Koch, Daniel; Langemann, Klaus; Leitner, Walter; Six, Christian

doi:10.1002/anie.199724661

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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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引用

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.

引用: https://hdl.handle.net/11858/00-001M-0000-0024-0365-4

要旨

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).