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Butanoic acid, dianion

Butanoic acid, 3-hydroxy-, esters pr, 176 Frater-Seebach 2-alkylation, 27 —, 3-oxo-, esters (acetoacetic esters) pr., 176 carbon acidity, 10 carboxymethyl da-synthon, 19, 207 dianion 4-alkylation, 24, 207,325-326... [Pg.203]

Monosubstituted oxiranes ring open on interaction with the dianion of 4-(phenylsulfonyl)-butanoic acid and then cyclize by the addition of trifluoroacetic anhydride to give oxepan-2-ones, as cw-/t7flnj-mixtures <92SC239>. [Pg.60]

PROBLEM 19.13 Draw the resonance forms for the dianion formed from butanoic acid. Why do you suppose the electrophile adds to the a carbon ... [Pg.957]

See other pages where Butanoic acid, dianion is mentioned: [Pg.27]    [Pg.69]    [Pg.27]    [Pg.69]    [Pg.454]    [Pg.350]    [Pg.350]    [Pg.454]    [Pg.298]    [Pg.299]    [Pg.350]   


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