Short reportCaffeoyl derivatives of a sugar lactone and its hydroxy acid from the leaves of Bidens pilosa

Add time:09/06/2019    Source:sciencedirect.com

A new sugar lactone derivative, 3-O-caffeoyl-2-C-methyl-d-erythrono-1,4-lactone, and three new hydroxy acid derivatives, 2-O-caffeoyl-2-C-methyl-d-erythronic acid, methyl 2-O-caffeoyl-2-C-methyl-d-erythronic acid, and methyl 3-O-caffeoyl-2-C-methyl-d-erythronic acid were isolated from the leaves of Bidens pilosa. Their structures were elucidated on the basis of chemical and spectral evidence, Two methyl esters are thought to be artefacts.

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