[Isoflavones from vine stem of Millettia dielsiana].

OBJECTIVE

To investigate the chemical constituents of vine stem of Millettia dielsiana.

METHOD

Various chromatographic techniques were employed for the isolation and purification of the chemical constituents. The structures were elucidated by chemical and spectral analyses.

RESULT

Seven isoflavones were isolated and identified as 6-methoxycalpogonium isoflavone A (1), durmillone (2), ichthynone (3), jamaicin (4), toxicarol isoflavone (5), barbigerone (6), genistein (7) respectively.

CONCLUSION

Compound 5 was isolated from the genus and Compounds 1-6 were isolated from the plant for the first time.