Elimination versus Ring Opening: A Convergent Route to Alkylidene-Cyclobutanes
Organic Letters2011Vol. 13(23), pp. 6296–6299
Citations Over TimeTop 21% of 2011 papers
Abstract
Functionalized alkylidene-cyclobutanes have been prepared from 2-fluoropyridinyl-6-oxy precursors derived from vinyl cyclobutanols by a radical addition-elimination process. A wide range of functional groups is tolerated, and the alkylidene-cyclobutanes can be further elaborated into cyclopentanones. The limitation of this approach resides in the competition with opening of the cyclobutane ring.
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