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Herbarium introduction - Natural Resources Institute

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MILDBRAEDIN: a flavonol tetraglycoside from<br />

Mildbraediodendron excelsum<br />

HO<br />

OH<br />

O<br />

O OH 7<br />

α-RhaI<br />

O CH<br />

1<br />

3<br />

3 O<br />

OH<br />

3 O<br />

OH O O<br />

1<br />

1 2<br />

O<br />

O<br />

OH<br />

β-Gal<br />

OHOH CH3<br />

CH HO<br />

3 6 HO<br />

CH HO α-RhaII<br />

2<br />

α-RhaIII O O<br />

HO 1<br />

HO<br />

Main phenolic component of:<br />

(1) <strong>Herbarium</strong> leaf fragment (1928)<br />

(2) Li Living i specimen i<br />

Veitch et al. (2005) Tetrahedron Lett. 46, 8595

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