Two new bicoumarins from Trifolium repens L.
Two new bicoumarins, named repensin A (1) and B (2), have been isolated from Trifolium repens. On the basis of spectral data, the structures of 1 and 2 have been established as 7-methoxy-7',8'-dihydroxy-8,6'-bicoumarinyl and 7,5'-dihydroxy-3,6'-bicoumarinyl, respectively.
Zhan
Qing-Feng
QF
Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China.
Xia
Zeng-Hua
ZH
Wang
Jun-Lin
JL
Lao
Ai-Na
AN
D003374:Coumarins / Q000737:chemistry*; D007887:Fabaceae; D006801:Humans; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*
D003374:Coumarins; D010936:Plant Extracts