Constituents of Gutierrezia mandonii (Asteraceae)

ROSANA ALARCON, SOLEDAD OCAMPOS, ADRIANA PACCIARONI, CRISTINA COLLOCA, VIRGINIA SOSA

PERGAMON-ELSEVIER SCIENCE LTD

Año: 2009 vol. 37 p. 683 - 683

hree compounds  were were characterized for the first time from the genus Gutierrezia.Flavones and flavonols methoxylated are important groups of compounds in the genus Gutierrezia. These compounds are characterized by a combination of extra oxygenated A-rings, and several B-ring oxygenation patterns. The presence of flavonoids confirms that, like other members of genus Gutierrezia, G. mandonii is able to produceflavonoids with 5,7-dihydroxy-6-methoxy substitution in A-rings, and 40-oxygenation in B-rings.In Gutierrezia, only one aromadendrane sesquiterpenoid, spathulenol 1, has been described.