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In other studies thioesters were shown to be well-suited to soft enolization, compared to oxoesters and amides (see ref 2d)
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In other studies thioesters were shown to be well-suited to soft enolization, compared to oxoesters and amides (see ref 2d).
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For examples of thioesters in organocatalysis, see
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Whether enolate stabilization is the result of a strong hydrogen bond or an ionic bond is uncertain.
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A similar experiment with the analogous oxoester (phenyl acetic acid phenyl ester) gave only recovered starting material after 36 h.
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The lower yields for 20 resulted from incomplete conversion
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The lower yields for 20 resulted from incomplete conversion.
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