A New Biflavonoid from Selaginella uncinata

• DOI: 10.1007/s10600-021-03272-7
• Publication Date: 2021-01-22T05:05:39Z
• Authors: Peng Yang; Yu-Mei Tian; Ya-Ting Cheng; Yuan Yang
• Keywords: 01 natural sciences; 0104 chemical sciences

One new robustaflavone, (2S,2′′S)-2,3,2′′ ,3′′-tetrahydrorobustaflavone 7,4′,4′′′ -trimethyl ether (1), was isolated from the 75% aqueous EtOH extract of Selaginella uncinata. The structure and absolute configuration of 1 was established by extensive spectroscopic and circular dichroism analyses.