A-seco-oleane-type triterpenes from Phomopsis sp. (strain HKI0458) isolated from the mangrove plant Hibiscus tiliaceus

A-seco-oleane-type triterpenes (1-4) were isolated from the fermentation broth of a fungus Phomopsis sp. (HKI0458), which was isolated from the mangrove plant Hibiscus tiliaceus (L.). Their structures were elucidated by extensive spectroscopic data analyses.