Phytochemical and chemotaxonomic study on Lagotis brevituba (Scrophulariaceae)

• A phytochemical investigation of Lagotis brevituba led to the isolation of 16 compounds, including five phenylpropanoids (1–5), eight flavonoids (6–13), one iridoid (14), one phenolic (15) and one triterpene (16).
• This is the first report of compounds 1, 2, 7–13 and 15 from the genus Lagotis.

A phytochemical investigation of Lagotis brevituba led to the isolation of 16 compounds, including five phenylpropanoids (1–5), eight flavonoids (6–13), one iridoid (14), one phenolic compound (15) and one triterpene (16). The structures of these compounds were identified by spectroscopic methods and a comparison of their data with those reported in the literature. This is the first report of compounds 1, 2, 7–13 and 15 from the genus Lagotis. The chemotaxonomic significance of these compounds has also been summarized.