A Fluorous-Tagged "Safety Catch" Linker for Preparing Heterocycles by Ring-Closing Metathesis.

[摘要]：A fluorous-tagged "safety catch" linker is described for the synthesis of heterocycles with use of ring-closing metathesis. The linker facilitates the purifn. of metathesis substrates, the removal of the catalyst, the functionalization of the products, and the release of only metathesis products. The synthesis of a range of heterocycles, e.g. I (R = Me, PhCH2NH, 5-isoxazolyl), is described.

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