Functionalized five-membered rings from acyclic unsaturated β-ketoester systems
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 2,p. 62-63
- https://doi.org/10.1039/c39830000062
Abstract
In Lewis acid-promoted cyclizations, both the ketoester (1) and its enol acetate (4) generate the cyclopentane (2), while the ketoester (5) under similar conditions does not form the carbobicycle (6) but is converted into the heterocycle (7), via the monocyclic ketoester (8).Keywords
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