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Lactones intramolecular Claisen-type

Auxiliary cleavage with concomitant carbon-carbon bond formation is a particularly attractive option, which has been demonstrated in a bimolecular sense using the dianion of methyl sulfone (giving a methyl ketone), and in an intramolecular sense using a Claisen-type condensation of a p-acetoxy enolate (giving a 5-lactone). An interesting halolactonization procedure has... [Pg.183]

See other pages where Lactones intramolecular Claisen-type is mentioned: [Pg.106]    [Pg.132]    [Pg.830]    [Pg.830]    [Pg.188]    [Pg.194]    [Pg.48]    [Pg.25]   


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Lactonization intramolecular

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