Chemical constituents from the roots of <i>Leea thorelii</i> Gagnep.

<div><p>Phytochemical investigation of the roots of <i>Leea thorelii</i> led to the isolation of nine compounds. Their structures were determined from spectroscopic data as bergenin (<b>1</b>), 11-<i>O</i>-acetyl bergenin (<b>2</b>), 11-<i>O</i>-(4′-<i>O</i>-methylgalloyl) bergenin (<b>3</b>), 3,5-dihydroxy-4-methoxybenzoic acid (<b>4</b>), ( − )-epicatechin (<b>5</b>), 4″-<i>O</i>-methyl-( − )-epicatechin gallate (<b>6</b>), ( − )-epicatechin gallate (<b>7</b>), microminutinin (<b>8</b>) and stigmasterol. Compounds <b>1</b>–<b>8</b> are reported for the first time from this plant, and this is also the first report of the presence of <b>1</b>, <b>3</b>, <b>4</b>, <b>6</b> and <b>8</b> in the Vitaceae family.</p></div>




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