Chemistry Letters · 1984 · 14 citations · 22 references
Natural SciencesChemistryOrganic ChemistryRetrosynthetic AnalysisClaisen CondensationClaisen Rearrangement
Abstract The ester enolate Claisen rearrangement of (E)- or (Z)-2-butenyl 3-hydroxybutanoate was found to give predominantly each one of four isomers of 3-methyl-4-methoxycarbonyl-5-hydroxy-1-hexene by the selection of the reaction conditions via the enolate dianions or silyl ketene acetals.
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James A. Dale, David L. Dull, Harry S. Mosher · The Journal of Organic Chemistry · 1969 · 2.5K citations