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Boric Acid Catalyzed Chemoselective Esterification of α-Hydroxycarboxylic Acids |
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American Chemical Society |
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Boric acid catalyzes the selective esterification of α-hydroxycarboxylic acids without causing significant esterification to occur with other carboxylic acids. The procedure is simple, high-yielding, and applicable to the esterification of α-hydroxy carboxylates in the presence of other carboxylic acids including β-hydroxyacids within the same molecule. |
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Organic Letters, 6(5), p. 679-681 |
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