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Title: Two new flavonoids from <i style="">Andrographis macrobotrys</i>
Authors: Reddy, B Anil Kumar
Reddy, M Vijaya Bhaskar
Gunasekar, D
Murthy, M Marthanda
Caux, C
Bodo, B
Keywords: tetramethoxyflavanone
<i style="">Andrographis macrobotrys</i>
Issue Date: Sep-2005
Publisher: CSIR
Series/Report no.: <b>Int</b>.<b>Cl</b>.<b><sup>7</sup> A 61 K 35/00</b>
Abstract: Two new flavonoids, 5,7,8,2'-tetramethoxyflavanone <b style="">1</b> and 2'-hydroxy-2,3,4'-trimethoxychalcone <b style="">3</b>, together with three known flavones, 5-hydroxy-7-methoxyflavone <b style="">2</b>, 5,2',6'-trihydroxy-7-methoxyflavone <b style="">4</b> and 5,7,2',6'-tetra­hydroxy­flavone <b style="">5</b> have been isolated from the whole plant of <i style="">Andrographis macrobotrys</i>. The structures of the new compounds <b style="">1</b> and <b style="">3</b> have been established using extensive 2D NMR and ESI-MS/MS studies.
Description: 1966-1969
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(09) [September 2005]

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