KADSULIGNANS H, I, J AND K FROM A KADSURA SPECIES

Article abstract of DOI:10.1016/0031-9422(92)80295-P

Four new lignans, kadsulignan H, I, J and K were isolated from the seeds of a Kadsura sp., of which kadsulignan possesses a novel benzobicyclooctane skeleton.Their structures, including absolute configurations, were elucidated by 2D 1H-13C long range COSY spectra and chemical conversions. Key Word Index: Kadsura; Schisandraceae; lignans; kadsulignans H, I, J, K.