Journal of the American Chemical Society p. 1954 - 1964 (1995)
Update date:2022-08-02
Topics:
Lautens, Mark
Kumanovic, Sophie
Intramolecular anionic ring opening of oxabicyclo[3.2.1] systems has been achieved and leads to an efficient route to bicyclo[5.3.0]decenes which are trans fused. Tethers containing heteroatoms (X = O, S, NMe) as well as all-carbon derivatives have been successfully cyclized under these conditions. It is not necessary to take any special precautions (high dilution, slow addition etc.) when carrying out the transmetalation - cyclization since intermolecular ring opening does not occur under these conditions.
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(2019)
