Copper-Catalyzed [4 + 1] Cycloadditions of α,β-Acetylenic Ketones with Diazoacetates to Form Trisubstituted Furans
The Journal of Organic Chemistry2007Vol. 72(26), pp. 10276–10278
Citations Over TimeTop 10% of 2007 papers
Abstract
Copper-catalyzed [4 + 1] cycloaddition reaction of alpha,beta-acetylenic ketones with alpha-diazo esters offers an efficient, direct route to highly substituted furans. The reaction conditions and the scope of the process are examined, and a possible mechanism is proposed.
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