Further chemical constituents from Sinningia canescens and S. leucotricha (Gesneriaceae)

Publication date: December 2017 Source:Phytochemistry Letters, Volume 22 Author(s): Maria Helena Verdan, Dilamara R. Scharf, Andersson Barison, Marcos J. Salvador, Maria Élida A. Stefanello Four new compounds were isolated from the tubers of Sinningia canescens and S. leucotricha: one naphthoquinone, 7-methoxy-8-hydroxy-α-dunnione (1); two arylbenzofurans, sinningial A (2) and B (3); and one sesquiterpene, 11-epi-subergorgiol (4). Seventeen additional known compounds were isolated and identified. The structures of all compounds were determined by spectroscopic and MS analysis. Graphical abstract

Source: Phytochemistry Letters - November 19, 2017 Category: Chemistry Source Type: research