Bio‐Guided Isolation of Alpha‐Glucosidase Inhibitory Compounds from Vietnamese Lichen Roccella Montagnei
Huong Thuy Le,
Y. Thien Vu,
Gia‐Huy Duong
et al.
Abstract:A bio‐guided isolation was applied to the Vietnamese lichen Roccella montagnei based on alpha‐glucosidase inhibition. Six compounds were isolated and structurally elucidated, including a new ortho depside, montagneside A (1), together with five known compounds, sekikaic acid (2), lanost‐7‐en‐3β‐ol (3), ethyl orsellinate (4), D‐montagnetol (5), and D‐erythrin (6). Their chemical structures were identified by extensive 1D and 2D NMR analysis, high‐resolution mass spectroscopy, and comparisons with those reported… Show more
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