Semi-synthesis, structural elucidation and in-vitro anti-snake venom activity of irregular monoterpenes derivatives from Baccharis trimera (Asteraceae)
Fecha
2017Autor
Minteguiaga, Manuel
Torres, Ana María
Ricciardi, Gabriela Ana Leticia
Dellacassa, Eduardo Santiago
Catalán, César
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Irregular monoterpenes are rare natural products found mainly in the Asteraceae family, whose skeleton does not follow the Ruzicka rule, which establishes a head-to-tail bond between the isoprene units [1]. Of the different types of terpenoids with reordered skeleton, those with an o-menthane skeleton are very rare, with the most relevant members being piquerols A and B from Piqueria trinervia Cav. and carquejol from Baccharis trimera (Less.) DC. (synonym: B. genistelloides) [2] (Figure 1) both plants belonging to the Asteraceae.