A Ring Fragmentation Approach to Medium-Sized Cyclic 2-Alkynones
Organic Letters2011Vol. 14(1), pp. 264–267
Citations Over TimeTop 22% of 2011 papers
Abstract
Bicyclic γ-silyloxy-β-hydroxy-α-diazoketones, in which the Cβ-Cγ bond is the ring fusion bond, productively fragment when treated with tin(IV) chloride to provide medium-sized cyclic 2-alkynones. This method provides good to excellent yields of 10-, 11-, and 12-membered alkynone products.
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