Journal
TETRAHEDRON LETTERS
Volume 56, Issue 11, Pages 1363-1366Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.01.097
Keywords
Medium fluorous strategy; Phase transfer catalyst; Hydrophobicity; Grubbs-Hoveyda 2nd generation; Ring closing metathesis
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Funding
- JSPS KAKENHI Grant [26450145]
- Meiji Seika Pharma Co., Ltd
- Grants-in-Aid for Scientific Research [26450145] Funding Source: KAKEN
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A fluorous Grubbs-Hoveyda metathesis catalyst supported on Teflon (R) powder, that readily moves between the solid phase (Teflon (R)) and the liquid phase (DMF) was prepared. By modulating the hydrophobicity of the reaction medium at the end of the reaction, the supported catalyst could be recovered by simple filtration even though the catalyst existed in a homogeneous state during the reaction. In RCM reactions, the catalyst could be reused up to three times with only a slight loss in reactivity with each subsequent cycle. (C) 2015 Elsevier Ltd. All rights reserved.
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